MedWorm.com provides a medical RSS filtering service. Over 6000 RSS medical sources are combined and output via different filters. This feed contains the latest items from the 'Hip International' source. Fri, 03 Feb 2012 00:14:55 +0100 http://www.medworm.com/index.php?rid=5484245&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22144337%26dopt%3DAbstract We present clinical data and tribological analysis of a consecutive series of 74 failed large diameter metal-on-metal hips, comparing the Durom (Zimmer) with the Birmingham hip resurfacing (BHR) (Smith and Nephew). We retrospectively analysed pre-, intra-, and post-operative clinical data and measured the linear wear and component form of the explanted components using a roundness measuring machine. A significantly higher proportion of hips in the Durom group failed as a result of acetabular loosening (p=0.001) and this was supported by evidence of reduced bone in-growth on the backside of the cup. Comparison of roundness measurement revealed that the Durom hip was significantly lower wearing than the BHR (p<0.05) but the Durom femoral components were subject to significantly greater fo... Hip International journals http://www.medworm.com/rss/comments.php?id=5484245 Tue, 06 Dec 2011 05:00:00 +0100 5484245 http://www.medworm.com/index.php?rid=5484246&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22144336%26dopt%3DAbstract Authors: Traina F, Bordini B, De Fine M, Toni A Abstract The effect of obesity on the long-term survival of total hip arthroplasty remains under discussion. Reviewing meta-analyses of large cohort studies a high body mass index has been correlated with a higher incidence of complications but not univocally with a lower implant survival rate. It has been suggested that body weight rather than body mass index might be a better parameter to evaluate prosthesis outcome. We reviewed 27,571 patients retrospectively with primary arthritis as a preoperative diagnosis. Patients were divided into 4 categories based on their body mass index, or into two groups based on the body weight (<80 kg and =80 kg). Implant survivorship was estimated with use of the Cox proportional hazards model wit... Hip International journals http://www.medworm.com/rss/comments.php?id=5484246 Mon, 05 Dec 2011 05:00:00 +0100 5484246 http://www.medworm.com/index.php?rid=5484250&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22135015%26dopt%3DAbstract We report a case involving fatigue fracture of a long, distally well-fixed, uncemented revision stem. This was revised to a proximally fixed implant. This case highlights a number of issues when considering the choice of implant in hip revision surgery and raises the issue of bone conservation in revision surgery. We would suggest that in both primary and revision hip arthroplasty meticulous pre-operative consideration of the choice of implant should be undertaken, especially in the younger patient with higher expectations and functional demands. PMID: 22135015 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=5484250 Tue, 29 Nov 2011 05:00:00 +0100 5484250 http://www.medworm.com/index.php?rid=5484249&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22135016%26dopt%3DAbstract Authors: Ng VY, McShane MA Abstract Understanding acetabular cup orientation is important in all aspects of total hip arthroplasty including preoperative planning, intraoperative positioning, and postoperative analysis. New concepts in ideal cup orientation such as 'combined anteversion' have emerged. Using computer navigation and three-dimensional imaging, the potential for accuracy and precision of implantation have improved. Nevertheless, the varying manner in which the terms "anteversion" and "abduction" are often used in the literature is indicative of a nebulous understanding of the complex spatial anatomy of acetabular cup orientation. PMID: 22135016 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=5484249 Tue, 29 Nov 2011 05:00:00 +0100 5484249 http://www.medworm.com/index.php?rid=5484248&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22135017%26dopt%3DAbstract We report 24 patients affected by primary osteoarthritis undergoing THA in which implants were placed with a conventional free-hand technique using the acetabular transverse ligament for cup orientation. For imageless navigation we used Orthopilot-Aesculap software. All patients had a postoperative computed tomography (CT) scan at three months, using previously validated dedicated software for cup orientation. Data collected using navigation software were compared with CT measurements. The mean acetabular inclination and anteversion recorded intra-operatively using navigation software were respectively 41°5' (SD: 9.61) and 9°5' (SD: 4.01) respectively. The mean inclination and anteversion calculated post-operatively by the CT based image software were 44°2' (SD 5.83) and 14°4' (SD 6.42... Hip International journals http://www.medworm.com/rss/comments.php?id=5484248 Tue, 29 Nov 2011 05:00:00 +0100 5484248 http://www.medworm.com/index.php?rid=5484247&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22135018%26dopt%3DAbstract Authors: von Roth P, Olivier M, Preininger B, Perka C, Hube R Abstract We investigated the accuracy of implant positioning during total hip arthroplasty (THA) through a minimally invasive approach in relation to body mass index (BMI) and gender by assessing 48 patients. Functional and radiological parameters were evaluated. BMI positively correlated with operation time (p=0.04), but BMI and gender had no influence on implant positioning. The Harris hip score (HHS) increased significantly (46.5±11.8 preoperatively, 92.1±9.7 postoperatively, p<0.0001). The surgical approach described resulted in reproducibility of implant positioning independent of influence by BMI or gender. PMID: 22135018 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=5484247 Tue, 29 Nov 2011 05:00:00 +0100 5484247 http://www.medworm.com/index.php?rid=5448465&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22117256%26dopt%3DAbstract Authors: Leichtle UG, Leasure J, Martini F, Leichtle CI Abstract Considerable immediate periprosthetic bone density changes after implantation of femoral stems have been observed comparing DEXA measurements taken pre- and post-operatively. This is important in relation to the interpretation of DEXA studies. We analysed these density changes under standardised experimental conditions. Five human femora were implanted with a custom made femoral stem and ten femora with a standard cementless prosthesis. Densitometry was performed at various stages of implantation. Following rasping only slight density changes were noted (-2.7% to +0.7%). Comparing post-implantation and pre-operative measurements, all custom made stems with a proximal press-fit demonstrated clear increases in proximal ... Hip International journals http://www.medworm.com/rss/comments.php?id=5448465 Thu, 24 Nov 2011 05:00:00 +0100 5448465 http://www.medworm.com/index.php?rid=5448464&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22117257%26dopt%3DAbstract This study found that 27% of hip fracture patients had some increase in the troponin T levels in the peri-operative period. This increase was not associated with an increase in early mortality, but there was an increase in one-year mortality for those with an increase in troponin T (45% versus 22%, p=0.03). These findings indicate that the routine measurement of troponin T does not correlate with acute mortality and is not necessary without evidence of an acute cardiac event. PMID: 22117257 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=5448464 Thu, 24 Nov 2011 05:00:00 +0100 5448464 http://www.medworm.com/index.php?rid=5448463&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22117258%26dopt%3DAbstract Authors: Gill SK, Theodorides A, Smith N, Maguire E, Whitehouse SL, Rigby MC, Ivory JP Abstract In the United Kingdom, national guidelines have stated that patients undergoing elective hip surgery are at increased risk for venous thromboembolic events (VTE) following surgery and have recommended thromboprophylaxis for 28-35 days (1, 2). Studies of direct thrombin inhibitors have hitherto concentrated on major bleeding. We prospectively assessed wound discharge in patients who underwent hip arthroplasty and who received oral dabigatran postoperatively between March 2010 and April 2010 (n=56). We compared these results to a retrospective matched group of patients who underwent similar operations six months earlier, at which time all patients were given subcutaneous dalteparin routine... Hip International journals http://www.medworm.com/rss/comments.php?id=5448463 Thu, 24 Nov 2011 05:00:00 +0100 5448463 http://www.medworm.com/index.php?rid=5448462&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22117259%26dopt%3DAbstract Authors: Vanhaecht K, Van Gerven E, Segal O, Panella M, Sermeus W, Bellemans J, Simon JP Abstract No abstract. PMID: 22117259 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=5448462 Thu, 24 Nov 2011 05:00:00 +0100 5448462 http://www.medworm.com/index.php?rid=5448461&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22117260%26dopt%3DAbstract Authors: Stafford GH, Malviya A, Villar RN Abstract The amount of fluid that may be lost into the soft tissues during hip arthroscopic surgery is unknown. We measured the volumes of irrigation fluid infused, operating time, fluid pressures and volumes of fluid recovered in 36 therapeutic hip arthroscopies. We excluded those where fluid was lost to the floor, leaving 28 patients. The majority were undergoing surgery for the treatment of femoroacetabular impingement. In 5 patients an intra-articular contrast medium was instilled, in order to establish the likely location of any extravasated fluid. The mean operating time was 68 minutes (31 to 120), and the mean infusion pressure was 46 mm Hg (30 to 70). The mean volume of infused fluid was 9677 ml (95% confidence interval (CI) 7715 t... Hip International journals http://www.medworm.com/rss/comments.php?id=5448461 Thu, 24 Nov 2011 05:00:00 +0100 5448461 http://www.medworm.com/index.php?rid=5448460&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22117261%26dopt%3DAbstract We report the mid-term results of 43 patients with femoroacetabular impingement who have undergone this technique for re-attachment of delaminated chondral flaps. There was a statistically significant improvement in MHHS at a mean of 28 months (16 to 42 months) after surgery (p<0.0001). The MHHS for pain improved significantly from 21.8 (95% CI 19.0 to 24.7) pre-operatively to 35.8 (95% CI 32.6 to 38.9) post-operatively (p<0.0001). The MHHS for function also showed significant, although more modest, improvements from 40.0 (95% CI 37.7 to 42.3) pre-operatively to 43.6 (95% CI 41.4 to 45.8) post-operatively (p=0.0006). There were three patients who had early (within 12 months of the index procedure) revision arthroscopy for iliopsoas pathology. Arthroscopic repair of delaminated acetab... Hip International journals http://www.medworm.com/rss/comments.php?id=5448460 Thu, 24 Nov 2011 05:00:00 +0100 5448460 http://www.medworm.com/index.php?rid=5448459&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22117262%26dopt%3DAbstract The objective of the study was to evaluate longevity of the implant and the risk of dislocation. All operations were performed by a single surgeon using a posterior approach, with patients lying in the lateral decubitus position. The stem had a modular head diameter of 22.2 mm and was cemented in all patients. A total of 53 patients were studied, and the median duration of follow-up was 78.9 months. Implant survival 6 years after surgery was 98.4% (n=47; 95% CI: 89.3-99.8). There was one revision for sepsis 29 months after surgery, and one dislocation. The results of this study appear to demonstrate excellent implant survival and a low rate of dislocation using the chosen implants. PMID: 22117262 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=5448459 Thu, 24 Nov 2011 05:00:00 +0100 5448459 http://www.medworm.com/index.php?rid=5448458&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22117263%26dopt%3DAbstract We describe a patient who developed a mass extending into the pelvis, five years after a metal-on-polyethylene total hip arthroplasty (THA). The histological pattern of perivascular lymphocytic infiltrate and fibrinoid necrosis was more in keeping with a metal-on-metal bearing failure. The pseudotumour compressed the femoral vein causing a deep venous thrombosis. PMID: 22117263 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=5448458 Thu, 24 Nov 2011 05:00:00 +0100 5448458 http://www.medworm.com/index.php?rid=5448470&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22101618%26dopt%3DAbstract In this study we showed that adding anticoagulants with foot pumps further reduced the incidence of DVT, which seldom occurs following less invasive mini-posterior THA combined with early mobilisation, foot pumps, and anticoagulants. PMID: 22101618 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=5448470 Fri, 18 Nov 2011 05:00:00 +0100 5448470 http://www.medworm.com/index.php?rid=5448469&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22101619%26dopt%3DAbstract Authors: Schneppendahl J, Betsch M, Petrov V, Böttner F, Thelen S, Grassmann JP, Hakimi M, Windolf J, Wild M Abstract Surgical treatment of femoral neck fractures is associated with a significant impact on quality of life. The aim of this study was to determine the long-term influence of displaced femoral neck fractures treated by bipolar hemiarthroplasty on the activities of daily living, quality of life and social dependency. We studied 487 geriatric patients treated in the years 1989 to 2003. At the beginning of follow-up in 2004, 166 patients were alive and evaluation was carried out on 145 patients (87.3%) at 91.3 (14 - 244) months postoperatively by a standardized questionnaire. All enrolled patients had been treated with cemented bipolar hemiarthroplasty for a displaced fem... Hip International journals http://www.medworm.com/rss/comments.php?id=5448469 Fri, 18 Nov 2011 05:00:00 +0100 5448469 http://www.medworm.com/index.php?rid=5448468&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22101620%26dopt%3DAbstract Authors: Sakai R, Kikuchi A, Morita T, Takahira N, Uchiyama K, Yamamoto T, Moriya M, Uchida K, Fukushima K, Tanaka K, Takaso M, Itoman M, Mabuchi K Abstract Adequate fixation at the time of cementless stem implantation depends on the operator's experience. An objective evaluation method to determine whether the stem has been appropriately implanted may be helpful. We studied the relationship between the hammering sound frequency during stem implantation and internal stress in a femoral model, and evaluated the possible usefulness of hammering sound frequency analysis for preventing intraoperative fracture. Three types of cementless stem (BiCONTACT®, SL-PLUS®, and AI-Hip®) were used. Surgeons performed stem insertion using a procedure similar to that employed in a routine operati... Hip International journals http://www.medworm.com/rss/comments.php?id=5448468 Fri, 18 Nov 2011 05:00:00 +0100 5448468 http://www.medworm.com/index.php?rid=5448467&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22101621%26dopt%3DAbstract A classification-system improves the intra- and interobserver reliability of radiographic diagnosis of "pistol-grip-deformity" Hip Int. 2011 Nov 18;:0 Authors: Ipach I, Arlt EM, Mittag F, Kunze B, Wolf P, Kluba T Abstract Early detection of pistol-grip-deformity may be beneficial in optimising the outcome and the cost effectiveness of surgery. It is important to identify reliable radiographic parameters in assessing femoro-acetabular impingement (FAI) to develop a treatment algorithm. Radiographs of 47 patients ranging from "pistol grip deformity" to a normal head-neck-junction were measured for alpha angle and head ratio, and then classified by two different observers. The Bland-Altman plot was used for inter- and intraobserver agreement of alpha angle and head ratio. Inte... Hip International journals http://www.medworm.com/rss/comments.php?id=5448467 Fri, 18 Nov 2011 05:00:00 +0100 5448467 http://www.medworm.com/index.php?rid=5448466&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22101622%26dopt%3DAbstract We present a series of twelve THRs in nine affected patients, with a mean age of 39 years at the time of surgery (median 37 years; range 27-60 years). We examine the medium- to long-term results and present the outcome scores, survival, and assess the effect of enzyme replacement therapy (ERT). Four hips (33.3%) required revision for aseptic loosening at a mean time of 11.5 years. There was no significant difference in survival between the group on ERT at the time of surgery and group not on ERT. Those on ERT did, however, have fewer peri-operative complications and there was a trend to better outcome scores. Five of the 12 THRs were performed when the diagnosis of GD was unknown and all of these had early complications.?Our results show better survival of THRs in patients with GD than pre... Hip International journals http://www.medworm.com/rss/comments.php?id=5448466 Fri, 18 Nov 2011 05:00:00 +0100 5448466 http://www.medworm.com/index.php?rid=5385108&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22038309%26dopt%3DAbstract Authors: Hsu JE, Wihbey T, Shah RP, Garino JP, Lee GC Abstract Core decompression and grafting has been shown to relieve pain and possibly prevent disease progression in patients with symptomatic osteonecrosis (ON) of the hip. However, there is a lack of evidence regarding the management of the asymptomatic hip with femoral head ON. The purpose of this study was to evaluate the outcome of core decompression in the asymptomatic hip with ON. We prospectively followed 37 consecutive patients with MRI confirmed ON of the hips that underwent simultaneous bilateral core decompression and bone grafting. Prior to surgery, only one of the hips was symptomatic, and the main indication for surgical decompression of the asymptomatic side was to prevent disease progression. No hip on the asympt... Hip International journals http://www.medworm.com/rss/comments.php?id=5385108 Fri, 28 Oct 2011 04:00:00 +0100 5385108 http://www.medworm.com/index.php?rid=5385107&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22038310%26dopt%3DAbstract Authors: Cimolin V, Piccinini L, Portinaro N, Turconi AC, Albonico S, Crivellini M, Galli M Abstract We attempted to quantify the effects of isolated femoral derotation osteotomies using clinical evaluation and gait analysis (kinematics and kinetics) in patients with cerebral palsy (CP). Twelve children with CP were evaluated before and 10 months after isolated femoral derotation osteotomy, and 15 healthy children were evaluated as controls. There were significant improvements on clinical examination. A better position of the hip and ankle in the transverse plane was evident and significant changes occurred in terms of hip and ankle kinetics after surgery. Improvements in kinematics and hip and ankle power are very important biomechanically. The correction of lever arm dysfunction ... Hip International journals http://www.medworm.com/rss/comments.php?id=5385107 Fri, 28 Oct 2011 04:00:00 +0100 5385107 http://www.medworm.com/index.php?rid=5385106&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D22038311%26dopt%3DAbstract Authors: Westacott DJ, Minns JI, Foguet P Abstract Gluteal tendon tears are one of the many pathologies causing pain around the greater trochanter that are often labelled as trochanteric bursitis. We systematically reviewed the peer-reviewed literature to establish the accuracy of magnetic resonance imaging and ultrasonography in the diagnosis of gluteal tendon tears in patients with persistent lateral hip pain or Greater Trochanteric Pain Syndrome (GTPS). 7 studies met the inclusion criteria, comparing either imaging modality with a reference standard of surgical findings. Included studies were assessed for methodological quality using the QUADAS checklist. MRI had sensitivity of 33-100%, specificity of 92-100%, positive predictive value of 71-100% and negative predictive value of... Hip International journals http://www.medworm.com/rss/comments.php?id=5385106 Fri, 28 Oct 2011 04:00:00 +0100 5385106 http://www.medworm.com/index.php?rid=5352894&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21983792%26dopt%3DAbstract Authors: Ng VY, Ellis TJ Abstract In the paper "More than just a bump: Cam-type femoroacetabular impingement and the evolution of the femoral neck" by Ng VY and Ellis TJ, published in Hip International 2011; 21 (1): 1-8, two sentences need to be amended as incorrect or incomplete. Abstract, line 6, the correct sentence should read: "While the former, characterized by a straight head-neck junction, is often present in cursorial creatures, the latter, distinguished by high offset at this junction, is exemplified in most humans." Introduction, first paragraph, line 7, the correct sentence should read: "Recognized by both Murray (3) and Stulberg (4) several decades ago as the post-slip and pistol-grip deformity respectively, the cam-type morphology, according to many authors today, con... Hip International journals http://www.medworm.com/rss/comments.php?id=5352894 Thu, 06 Oct 2011 04:00:00 +0100 5352894 http://www.medworm.com/index.php?rid=5286408&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21960452%26dopt%3DAbstract Authors: Stubbs AJ, Anz AW, Frino J, Lang JE, Weaver AA, Stitzel JD Abstract Acetabular dysplasia is a precursor to osteoarthritis of the hip, and it causes acute and degenerative injuries of soft tissue stabilisers. Traditional radiographic assessments of dysplasia are useful in moderate and severe dysplasia, but they have questionable reliability in mild dysplasia. Computed tomography (CT) reconstruction provides a method for calculation of acetabular geometry and analysis of existing radiographic methods.We performed a retrospective radiographic review of anteroposterior pelvic films and their corresponding pelvic CT scans. Using 30 skeletally mature patients, we analyzed the following five measurements for 60 hips: lateral centre edge angle of Wiberg (LCE), Tönnis angle, Sharp... Hip International journals http://www.medworm.com/rss/comments.php?id=5286408 Fri, 30 Sep 2011 04:00:00 +0100 5286408 http://www.medworm.com/index.php?rid=5286423&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21960450%26dopt%3DAbstract We report a case of a 61-year-old woman who underwent hip arthroscopy for a labral tear. The acetabular labrum was resected arthroscopically. Three months later, magnetic resonance imaging showed avascular necrosis of the femoral head. Theoretically, avascular necrosis following hip arthroscopy may result from traction on vessels supplying the femoral head, direct injury to such vessels during portal entrance, raised intra-articular pressure, prolonged operating time and damage to vessels during bony resection or osteochondroplasty for femoroacetabular impingement. We presume that avascular necrosis in our case was a result of a traction injury and increased intra-articular pressure. PMID: 21960450 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=5286423 Wed, 28 Sep 2011 04:00:00 +0100 5286423 http://www.medworm.com/index.php?rid=5286497&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21960448%26dopt%3DAbstract Authors: Karatosun V, Unver B, Gultekin A, Gunal I Abstract The thrust plate prosthesis (TPP) is a neck preserving femoral component in total hip arthroplasty (THA) which may facilitate more precise biomechanical reconstruction of the hip. The purpose of this study was to compare the biomechanical results of the TPP with a conventional THA. We compared anteroposterior radiographs from 60 patients who had undergone cementless THA, with 44 who had undergone a TPP. We measured the hip centre of rotation, femoral offset, limb length, and neck-shaft angle. The horizontal hip centre of rotation, vertical femoral offset, limb length and neck-shaft angle measurements showed a significant difference (p<0.05) in both groups when compared with preoperative values. However, the vertical hip... Hip International journals http://www.medworm.com/rss/comments.php?id=5286497 Mon, 26 Sep 2011 04:00:00 +0100 5286497 http://www.medworm.com/index.php?rid=5286424&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21960449%26dopt%3DAbstract Authors: McArthur JR, Costa M, Griffin DR, Krikler SJ, Parsons N, Foguet PR Abstract We compared 47 patients with groin pain following hip resurfacing to a matched control group. Functional scores and plain radiographs were assessed along with measurement of whole blood cobalt and chromium by inductively coupled mass spectrometry. Symptomatic patients underwent ultrasound scan of the affected hip. Mean functional outcomes were poor in those with pain and good in the control group. Groin pain was associated with valgus stem positioning and lower neck:head ratio (relatively narrow neck) (p=0.03, p=0.04 respectively). We classified patients with groin pain into two groups: biological and mechanical. The biological group had soft tissue abnormalities on USS and higher levels of cobalt ... Hip International journals http://www.medworm.com/rss/comments.php?id=5286424 Mon, 26 Sep 2011 04:00:00 +0100 5286424 http://www.medworm.com/index.php?rid=5286499&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21960447%26dopt%3DAbstract Authors: Jaiswal A, Gilbert RE, Sunil Kumar KH, Carrothers AD, Kuiper JH, Richardson JB Abstract The purpose of this study was to compare functional outcome and survival of isolated acetabular, isolated femoral and both component revision after failure of primary Birmingham Hip Resurfacing. The Oswestry Outcome Centre prospectively collected data on 5000 hip resurfacing between 1997 and 2002. Of these, 182 hips were revised: 8% had revision of the acetabular component only, 42% had revision of the femoral component only to conventional stemmed prosthesis, and 50% had revision of both components to conventional total hip arthroplasty (THA). We used a postal questionnaire to assess function by Harris and Merle d'Aubigné and Postel hip scores and determined survival using re-revision... Hip International journals http://www.medworm.com/rss/comments.php?id=5286499 Sun, 25 Sep 2011 04:00:00 +0100 5286499 http://www.medworm.com/index.php?rid=5286418&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21960451%26dopt%3DAbstract Authors: Klit J, Gosvig K, Jacobsen S, Sonne-Holm S, Troelsen A Abstract It is becoming increasingly evident that hip joint deformities may be major contributors to the development of osteoarthritis, and the term 'idiopathic osteoarthritis' may be inappropriate in many cases. Our study cohort was derived from the Copenhagen Osteoarthritis Sub-study, a cross sectional population-based database of 4151 individuals, all of whom had a standard anteroposterior weight-bearing pelvic radiograph taken. Hip joints were classified according to type and degree of deformity. We defined hip osteoarthritis by a minimum joint space width of <= 2mm. This cut-off has a significant relationship in both sexes with the clinical presentation. The study cohort which fulfilled these inclusion criteria... Hip International journals http://www.medworm.com/rss/comments.php?id=5286418 Sun, 25 Sep 2011 04:00:00 +0100 5286418 http://www.medworm.com/index.php?rid=5270048&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21948030%26dopt%3DAbstract Authors: Garg B, Marimuthu K, Kumar V, Malhotra R, Kotwal PP Abstract A prospective, randomised, controlled trial was performed to compare the outcome of treatment of unstable trochanteric fractures with either a short proximal femoral nail antirotation (PFNA) or dynamic hip screw (DHS). Eighty one patients with unstable fracture of the proximal part of the femur were randomised, at the time of admission, for fixation with either a short PFNA (n=42) or DHS (n= 39). The primary outcome measure was reoperation within the first postoperative year and mortality at the end of one year. Operative time, fluoroscopy time, blood loss, and any intra-operative complication were recorded for each patient. Clinical and radiological follow-up was undertaken for a minimum of 36 months. Any change... Hip International journals http://www.medworm.com/rss/comments.php?id=5270048 Thu, 22 Sep 2011 04:00:00 +0100 5270048 http://www.medworm.com/index.php?rid=5270047&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21948031%26dopt%3DAbstract Authors: Girard J, Roumazeille T, Sakr M, Migaud H Abstract Young adults with osteochondral lesions of the femoral head are at risk of rapid progression to symptomatic arthritis of the hip joint. Between January 2008 and July 2009, 10 patients were treated for femoral cartilage damage by a osteochondral mosaicplasty of the femoral head through a trochanteric flap with dislocation of the hip. The consecutive series had the following exclusion criteria: acetabular chondropathy, age above 25 years, and femoral head osteonecrosis. Patients were followed up after surgery using the Oxford-12 score, Harris hip score and the Merle d'Aubigné score, and activity assessed by the UCLA and Devane scores. Radiological evaluation by computed tomographic (CT) arthrography was undertaken in all pa... Hip International journals http://www.medworm.com/rss/comments.php?id=5270047 Thu, 22 Sep 2011 04:00:00 +0100 5270047 http://www.medworm.com/index.php?rid=5270041&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21948037%26dopt%3DAbstract We report the outcome of 72 NANOS short stems in 65 patients between March 2003 and October 2007. The mean follow-up was 5.2±0.7 years and the mean age of the patients was 63±8.3 years. Along with demographic data and co-morbidities, the Harris Hip Score, the Merle d'Aubigné mobility score, and a patient-centred questionnaire were evaluated pre-operatively and during follow-up. The Mean Harris Hip Score increased from 47.3±12.2 pre-operatively to 97.6±0.6 at the final follow-up. The Merle d'Aubigné mobility score increased from 7.6±1.4 pre-operatively to 11.8±0.3 at the final follow-up. None of the 72 stems were revised, providing a survival rate of 100%. Radiolucent lines were visible rasiographically in two patients during follow-up. The NANOS short stem demonstrated a satisfacto... Hip International journals http://www.medworm.com/rss/comments.php?id=5270041 Thu, 22 Sep 2011 04:00:00 +0100 5270041 http://www.medworm.com/index.php?rid=5270038&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21948040%26dopt%3DAbstract Authors: Smith TO, Williams TH, Samuel A, Ogonda L, Wimhurst JA Abstract We evaluated the reliability of three commonly used radiological assessments of total hip arthroplasty (THA) using the electronic picture archiving and communications system (PACS). Thirty-three patients were selected at random at a mean of 7.2 years after THA. The Barrack, Gruen and Hodgkinson evaluations of cementing quality, loosening/radiolucency were graded. Three observers assessed each radiograph (one consultant orthopaedic surgeon, one senior orthopaedic registrar and one senior house officer). Four weeks after the initial assessment, each radiograph was reviewed a second time. The findings indicated that the intra- and inter-observer reliability of the Barrack, Gruen and Hodgkinson methods were questi... Hip International journals http://www.medworm.com/rss/comments.php?id=5270038 Thu, 22 Sep 2011 04:00:00 +0100 5270038 http://www.medworm.com/index.php?rid=5270049&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21948029%26dopt%3DAbstract We report a retrospective review of femoral head/neck ratios on post-operative and two year follow-up radiographs following hip resurfacing arthroplasty. The patients were in two matched groups, having had surgery through a posterior approach or via a Ganz trochanteric flip. There was no significant difference in femoral neck narrowing at follow up between the two surgical approaches. However, we found significant narrowing of the femoral neck in both groups by the time of the two year follow-up radiograph. PMID: 21948029 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=5270049 Wed, 21 Sep 2011 04:00:00 +0100 5270049 http://www.medworm.com/index.php?rid=5270046&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21948032%26dopt%3DAbstract We examined all reported outcomes of uncemented and cemented total hip arthroplasty in patients younger than 50 years of age listed in Medline (1966- 1 January 2009) and PubMed, and scrutinised reference lists of relevant papers. In addition, we evaluated relevant data in the Swedish hip arthroplasty register. 109 relevant articles were identified, 37 of which had a mean follow-up longer than 10 years. Although uncemented implants are widely used in patients under 50 years of age, there are only 2 reports that fulfil the criteria published by the National Institute for Clinical Excellence (NICE) in the United Kingdom (follow-up of >10yrs and survival of =90%). Current trends relating to implant selection remain unsupported by survival data, and additional information about the long-term... Hip International journals http://www.medworm.com/rss/comments.php?id=5270046 Wed, 21 Sep 2011 04:00:00 +0100 5270046 http://www.medworm.com/index.php?rid=5270045&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21948033%26dopt%3DAbstract We report a fracture of such a stem in the absence of trauma 5 years after the revision procedure. The patient had a BMI of 27.8 and the proximal cement mantle gave good support to the stem. The fracture initiated and propagated from the introducer hole on the shoulder of the prosthesis. Macroscopically there was no defect in this area. This may be an unusual case of fatigue failure. PMID: 21948033 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=5270045 Wed, 21 Sep 2011 04:00:00 +0100 5270045 http://www.medworm.com/index.php?rid=5270044&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21948034%26dopt%3DAbstract This study provides a guideline for interpretation of metal ion analysis in clinical practice. In a prospective trial comparing hip resurfacing (HR) with a conventional metal-on-metal (MoM) total hip arthroplasty (THA) cobalt and chromium levels were determined for whole blood and serum in 343 paired samples at regular intervals up to 24 months postoperatively. Cobalt whole blood and serum levels increased significantly after both procedures. Cobalt concentrations were significantly higher for the HR group compared to the THA group, at 3, 6 and 12 months, for whole blood and serum. At 24 months cobalt levels decreased and differences between HR and THA were no longer significant. In contrast, chromium whole blood levels remained significantly higher for HR until 24 months. Whole blood and ... Hip International journals http://www.medworm.com/rss/comments.php?id=5270044 Wed, 21 Sep 2011 04:00:00 +0100 5270044 http://www.medworm.com/index.php?rid=5270043&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21948035%26dopt%3DAbstract Authors: Azegami S, Gurusamy KS, Parker MJ Abstract We performed a systematic review of randomised controlled trials in order to identify the best available evidence to compare the outcome between cemented and uncemented hemiarthroplasty for treatment of intracapsular hip fractures. We searched the Cochrane Bone, Joint and Muscle Trauma Group Specialised Register, the Cochrane Central Register of Controlled Trials, EMBASE, CINAHL, MEDLINE and the National Research Register (UK) to retrieve all of the published randomised controlled trials designed to address these issues, in order to perform a meta-analysis. Eight studies involving 1169 patients were determined to be appropriate for meta-analysis. The following statistically significant differences were found between the cemented a... Hip International journals http://www.medworm.com/rss/comments.php?id=5270043 Wed, 21 Sep 2011 04:00:00 +0100 5270043 http://www.medworm.com/index.php?rid=5270042&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21948036%26dopt%3DAbstract We report on the survival of 145 patients presenting to a single centre with a pathological metastatic fracture of the proximal femur. The single surviving patient had a follow-up of 17.7 years. Mean survival for the 144 patients who died was 332 days (range 2 to 3053 days), being longest for those with myeloma (662 days), lymphoma (> 633 days) and breast tumours (477 days) and lowest for lung tumours (110 days). The most common sites for the primary tumour were breast (36%), prostate (23%) and lung (17%). 47% of fractures were intracapsular, 28% trochanteric and 25% subtrochanteric. 99% of the fractures were treated surgically with a mean hospital stay of 19 days. The commonest fracture healing complication was further fracture of the femur around or immediately below the implant which... Hip International journals http://www.medworm.com/rss/comments.php?id=5270042 Wed, 21 Sep 2011 04:00:00 +0100 5270042 http://www.medworm.com/index.php?rid=5270040&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21948038%26dopt%3DAbstract Authors: Sijbesma T, Röckmann H, van der Weegen W Abstract Two consecutive hip surgery procedures in the same patient were aborted following a severe anaphylactic reaction of the patient. After the second procedure, the patient was diagnosed to be allergic to chlorhexidine, a component of the gel used to insert a urinary catheter. Chlorhexidine allergy is rare, and the delayed presentation may make it easy to overlook. In hip arthroplasty surgery, this may result in an abandoned procedure and the need for re-operation. PMID: 21948038 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=5270040 Wed, 21 Sep 2011 04:00:00 +0100 5270040 http://www.medworm.com/index.php?rid=5270039&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21948039%26dopt%3DAbstract Authors: Bistolfi A, Crova M, Rosso F, Titolo P, Ventura S, Massazza G Abstract Dislocation is a common and important complication of total hip arthroplasty (THA). Larger femoral heads may reduce the risk of dislocation and improve the range of movement. The aim of this study was to compare the relative risk (RR) of dislocation during the first year after THA between implants with 28mm and 36mm femoral heads. 198 consecutive hips with 28mm femoral head (Group-28) and 259 hips with 36mm femoral head (Group-36) were studied. The patients were assessed preoperatively and periodically using the Harris hip score (HHS) and radiographic analysis. The relative risk (RR) of dislocation was calculated. The average HHS significantly improved from a preoperative baseline to the last follow-up ... Hip International journals http://www.medworm.com/rss/comments.php?id=5270039 Wed, 21 Sep 2011 04:00:00 +0100 5270039 http://www.medworm.com/index.php?rid=5076531&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21786259%26dopt%3DAbstract Authors: Rajpura A, Wright AC, Board TN Osteonecrosis or avascular necrosis (AVN) of the hip is a progressive disease mainly affecting adults in their third, fourth or fifth decade of life. Studies into the natural history of the disease suggest that femoral head collapse occurs within 2-3yrs with associated degenerative changes and at that stage arthroplasty is the most reliable treatment option. Therefore prevention of femoral head collapse is highly desirable in this young patient group. In early stage disease, before femoral head collapse (Ficat and Arlet stage 1-3) core decompression of the femoral head is currently the most widely used procedure to try to relieve intraosseous pressure in the femoral head and restore blood supply. Greater understanding of the pathogenesis of osteo... Hip International journals http://www.medworm.com/rss/comments.php?id=5076531 Tue, 19 Jul 2011 23:00:00 +0100 5076531 http://www.medworm.com/index.php?rid=5076526&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21786261%26dopt%3DAbstract Authors: Anagnostakos K, Freymann C, Schmitt E, Kelm J The implantation of antibiotic-loaded cement spacers is established in the treatment of late hip joint infections, and the McPherson staging system has been widely used in this context. The aim of our study was to evaluate the relationship between the McPherson classification and complications at the site of hip spacer implantation. 60 patients were retrospectively identified who fulfilled our inclusion criteria. Using the McPherson classification, 12 patients were categorised as IIIA1, 4 as IIIA2, 19 as IIIB1, 7 as IIIB2, 12 as IIIC1, and 6 as IIIC2. Complications recorded were infection-associated, mechanical, systemic, general, and mortality. Statistical analysis was performed by means of the Mantel-Haenszel and the exact Fisher... Hip International journals http://www.medworm.com/rss/comments.php?id=5076526 Tue, 19 Jul 2011 23:00:00 +0100 5076526 http://www.medworm.com/index.php?rid=5076524&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21786262%26dopt%3DAbstract We present a novel arthroscopic-assisted technique to graft chondral defects and subchondral cysts of the acetabular socket using a synthetic osteochondral plug. Four patients with groin pain, solitary cysts in the roof of the acetabulum and radiographic evidence of early osteoarthritis were treated. A bone tunnel was prepared from the region of the iliac crest to the acetabular articular surface. A synthetic osteochondral plug was inserted in an ante-grade fashion and positioned flush with the lunate articular cartilage. The minimum follow-up from surgery was 8 months (mean 10 months, range 8 to 11 months). There were no peri-operative complications related to the procedure. All patients reported an improvement in symptoms and function at the latest follow-up. One of the patients underwen... Hip International journals http://www.medworm.com/rss/comments.php?id=5076524 Tue, 19 Jul 2011 23:00:00 +0100 5076524 http://www.medworm.com/index.php?rid=5076537&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21786256%26dopt%3DAbstract We describe a seven-zone rating system around the femoral component of a typical HRA implant with a short metaphyseal stem and its intra- and inter-observer reliability. A cohort of 23 selected male patients underwent bone mineral density (BMD) measurements by dual-energy X-ray absorptiometry (DEXA) two years after HRA. After development of the new seven-zone rating system, reliability was assessed using intraclass correlation coefficients (ICC). The coefficient of variation was also determined. The new rating-system proved high reliability with ICCs for the intra- and inter-observer reliability ranging from 0.92 to 1.0. The coefficient of variation ranged from 1.4% to 3.3%. Mean BMD values were highest in the medial zones 5 to 7 and lowest in the lateral zones 1 to 3 and below the stem ti... Hip International journals http://www.medworm.com/rss/comments.php?id=5076537 Mon, 18 Jul 2011 23:00:00 +0100 5076537 http://www.medworm.com/index.php?rid=5076535&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21786257%26dopt%3DAbstract Authors: Dallari D, Fini M, Carubbi C, Giavaresi G, Rani N, Del Piccolo N, Sartori M, Maso A We reviewed performed a retrospective review of our series of excision arthroplasty patients and identified 16 patients who had undergone the procedure for sepsis, and who we had subsequently subjected to revision to a total hip arthroplasty (THA). Mean follow-up was 96±15 months. There was a significant reduction in limb length discrepancy and a marked improvement in walking capability. Range of movement improved most in patients under 65 years of age. Patient selection is critical, because THA after excision arthroplasty is complex, and may have less satisfactory results primary surgery. PMID: 21786257 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=5076535 Mon, 18 Jul 2011 23:00:00 +0100 5076535 http://www.medworm.com/index.php?rid=5076533&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21786258%26dopt%3DAbstract We present the case of a 74-year-old otherwise healthy male who presented with fever and right hip pain ten days after a course of intramuscular injections. Magnetic resonance imaging (MRI) showed septic arthritis of the right hip joint and pyomyositis of the right gluteus minimus muscle. Blood cultures and pus aspirated from the muscle grew Bacteroides fragilis. The patient was treated successfully with surgical debridement and metronidazole, administered for six weeks intravenously and five weeks orally. Simultaneous pyomyositis and hip septic arthritis due to Bacteroides fragilis is rare, but should be considered possible after intramuscular injections. PMID: 21786258 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=5076533 Mon, 18 Jul 2011 23:00:00 +0100 5076533 http://www.medworm.com/index.php?rid=5076522&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21786263%26dopt%3DAbstract We present the clinical results of 135 entirely uncemented metal-on-metal hip resurfacing procedures. The primary outcome measures were revision for any cause and the Oxford hip score at the latest follow up. The average length of follow up was 2.9 years. The mean Oxford hip score was 18.4 and no patient required revision of either component during the study period. Uncemented femoral fixation may be comparable to fixation with cement in metal-on-metal hip resurfacing. PMID: 21786263 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=5076522 Sun, 17 Jul 2011 23:00:00 +0100 5076522 http://www.medworm.com/index.php?rid=5076528&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21786260%26dopt%3DAbstract Comment on "Minimally invasive management of unstable proximal femoral extracapsular fractures using reverse LISS femoral locking plates" Hip Int. 2011 Jul 15; Authors: Jaiman A, Neogi DS PMID: 21786260 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=5076528 Thu, 14 Jul 2011 23:00:00 +0100 5076528 http://www.medworm.com/index.php?rid=4981309&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698576%26dopt%3DAbstract Authors: Bajwa AS, Campbell DG, Comely AS, Lewis PL We studied a prospective cohort of patients in whom gluteal tendon reconstruction was undertaken in association with hip arthroplasty. Over the course of 10 years, 24 patients had gluteal tendon reconstruction performed either at the time of hip arthroplasty or post-operatively, using the Ligament Augment and Reconstruction System (LARS), suture anchors, direct suture to bone, or a combination of these techniques. All patients were assessed clinically and by patient-centred outcome measures, including the hip disability and osteoarthritis score (HOOS). The mean post-operative HOOS was significantly better than pre-operative score (p < 0.05). The mean post operative score in the domains of symptoms, pain, activities of daily living ... Hip International journals http://www.medworm.com/rss/comments.php?id=4981309 Sun, 12 Jun 2011 23:00:00 +0100 4981309 http://www.medworm.com/index.php?rid=4981303&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698582%26dopt%3DAbstract Authors: Faisal M, Thomas G, Young SK 206 patients age 70 years or older who underwent uncemented total hip arthroplasty (THA) using the Corail stem were studied. Radiographs taken post operatively and at one year were measured for subsidence of the stem. 13 patients had subsidence of the femoral stem of more than 2mm. 5 of these were associated with fractures (mean age 78.06 years - average subsidence 14.52mm), while 8 did not have associated fractures (mean age 77.43 years - average subsidence 4.99mm). These 13 patients were then followed up for an average of 25 months (with fractures) and 26.88 months (without fractures). Radiographs were taken and measured for further subsidence using a VIDAR scanner. There was no evidence of further subsidence in any of the 13 patients, and all th... Hip International journals http://www.medworm.com/rss/comments.php?id=4981303 Sun, 12 Jun 2011 23:00:00 +0100 4981303 http://www.medworm.com/index.php?rid=4981302&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698583%26dopt%3DAbstract Authors: Sakai R, Takahashi A, Takahira N, Uchiyama K, Yamamoto T, Uchida K, Fukushima K, Moriya M, Takaso M, Itoman M, Mabuchi K During cementless stem fixation, impaction of the stem is occasionally complicated by bony injuries. Small fractures not visible to the eye during surgery or on post-operative radiographs may remain undetected, and the incidence of such injuries may be underestimated. Employing the same techniques as those employed during total hip arthroplasty, we implanted cementless stems into artificial femora, with equivalent mechanical characteristics to living femora. The hammering force applied to the femur and the displacement of the stem and femur were measured using a load sensor and imaging, respectively. The von Mises stress generated in the femur during cementl... Hip International journals http://www.medworm.com/rss/comments.php?id=4981302 Sun, 12 Jun 2011 23:00:00 +0100 4981302 http://www.medworm.com/index.php?rid=4981297&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698588%26dopt%3DAbstract We report the results of the Birmingham Mid-Head Resection Arthroplasty (BMHR) for patients with poor femoral head bone quality where standard hip resurfacing is contraindicated. This is a clinical and radiological follow-up of the first 35 consecutive procedures (34 patients, 16 male, 18 female) performed by an independent surgeon. The mean follow-up was 2.8 years (2.1 to 4.1) and no patients were lost to follow-up. The mean age at the time of surgery was 50.4 years (23.8 to 69.4). There were no failures. The mean HHS improved from 46.6 (25 to 70) pre-operatively to 96.1 (72 to 100) post-operatively. The mean OHS was 36.4 (19 to 53) pre-operatively and 14.2 (12 to 34) post-operatively. The mean WOMAC score was 45.6 (7 to 92) pre-operatively and 4.3 (0 to 28) post-operatively. The mean UCL... Hip International journals http://www.medworm.com/rss/comments.php?id=4981297 Thu, 09 Jun 2011 23:00:00 +0100 4981297 http://www.medworm.com/index.php?rid=4981295&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698590%26dopt%3DAbstract The objective of the study was to describe the normal anatomy of the ligamentum capitis femoris and to determine the neurovascular structures potentially at risk during its reconstruction. Ten cadaveric specimens of the ligamentum capitis femoris (LCF) were dissected and photographed. Magnetic resonance (MR) and Computed tomography (CT) arthrography evaluation of the anatomy of the LCF in 30 hips were performed to measure length of the ligament and to study the proximity of neurovascular structures. The anatomical study showed that the LCF has a pyramidal structure and a banded appearance. The thickness of the medial wall of the acetabulum 3mm superior to the inferior acetabular boundary was found to be 6.7mm (4-9mm) at point 1 (anterior), 4.1mm (3-7mm) at point 2 (central), and 6.5mm (4-9... Hip International journals http://www.medworm.com/rss/comments.php?id=4981295 Thu, 09 Jun 2011 23:00:00 +0100 4981295 http://www.medworm.com/index.php?rid=4981311&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698574%26dopt%3DAbstract Authors: Murray DW, Grammatopoulos G, Gundle R, Gibbons CL, Whitwell D, Taylor A, Glyn-Jones S, Pandit HG, Ostlere S, Gill HS, Athanasou N, McLardy-Smith P Abstract: Metal on metal hip resurfacing has been used widely over the last ten years but there has been recent concern about destructive soft tissue reactions, which have been called pseudotumours by some authors. This has generated considerable controversy. This review explains why pseudotumours occur after resurfacing and how they can be prevented. It also supports the continued use of resurfacing in appropriate patients by appropriately trained surgeons. PMID: 21698574 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4981311 Wed, 08 Jun 2011 23:00:00 +0100 4981311 http://www.medworm.com/index.php?rid=4981308&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698577%26dopt%3DAbstract Authors: Rajkumar S, Singer GC, Jones JR Abstract: 13 patients with tears in the gluteus medius tendon following total hip arthroplasty were studied. The diagnosis of a gluteal tear was made on the basis of clinical signs and a positive arthrogram of the hip in all cases. 11 patients underwent gluteus medius repair and two patients declined surgery. 10 patients attended a review clinic (eight gluteal repair patients and two conservatively managed patients) and three were reviewed by telephone and medical notes. The mean follow up was 61 months (range 12-116 months). The mean age at follow up was 71.42 years (69-79 years) and the male to female ratio was 5:8. The mean duration of symptoms prior to repair was 16 months. An anterolateral transgluteal approach had been used for primary sur... Hip International journals http://www.medworm.com/rss/comments.php?id=4981308 Tue, 07 Jun 2011 23:00:00 +0100 4981308 http://www.medworm.com/index.php?rid=4981299&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698586%26dopt%3DAbstract This study elucidates whether a protocol of careful patient selection, surgical technique algorithm and use of modern implants could yield low dislocation rates in hip fracture patients treated with THA via the posterior approach. Over a seven year period all patients admitted to our institution that were cognitively lucid, independent ambulators and without Parkinson's disease underwent THA for acute displaced femoral neck fractures using a posterior approach, large femoral heads, elevated acetabular liners and a surgical technique algorithm. Twenty-nine THAs were performed in 26 patients (mean age of 71 years, range 50-87 years) and were followed for a mean of 32 months (range 13-48 months). There was one dislocation 7 weeks postoperatively in a non-compliant patient resulting in reopera... Hip International journals http://www.medworm.com/rss/comments.php?id=4981299 Tue, 07 Jun 2011 23:00:00 +0100 4981299 http://www.medworm.com/index.php?rid=4981298&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698587%26dopt%3DAbstract Authors: Yiannopoulou KG, Papageorgiou SG, Anastasiou IP, Ganetsos TK, Karydakis KD Abstract: Parkinsonism in hip fracture (HF) patients is a potential source for complications during surgery, postoperative period and rehabilitation and a risk factor of second HF. We investigated whether parkinsonism was more prevalent in older subjects with HF than in other older patient groups undergoing surgery. We prospectively assessed patients who had suffered HF and controls. We assigned all patients aged 68 and older admitted in our hospital for HF surgery during last year and compared them with age- and gender matched patients attending other surgical departments. 80 HF patients and 80 controls were assessed for parkinsonism. Parkinsonism was common in both groups, presumably reflecting the me... Hip International journals http://www.medworm.com/rss/comments.php?id=4981298 Tue, 07 Jun 2011 23:00:00 +0100 4981298 http://www.medworm.com/index.php?rid=4981296&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698589%26dopt%3DAbstract We describe the development of a simple patient-based score for young patients with hip problems which concentrates on activities that are difficult for someone with a hip problem and includes an activity rating scale that measures the highest level of physical activity reached during the past year. We compared the super simple hip score (SUSHI) with the more extensive hip osteoarthritis outcome score (HOOS) and evaluated the validity, sensitivity to change and floor and ceiling effects of the SUSHI score. We found that the SUSHI score is an adequate score to measure hip problems and that this score was preferred to the HOOS score by patients. PMID: 21698589 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4981296 Tue, 07 Jun 2011 23:00:00 +0100 4981296 http://www.medworm.com/index.php?rid=4981307&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698578%26dopt%3DAbstract Authors: Tarasevicius S, Loiba V, Wingstrand H Abstract: A randomised controlled trial was performed to investigate if the short rotators affected the compliance of the capsule in osteoarthritis (OA). 68 OA patients admitted for total hip arthroplasty (THA) were randomised to have their compliance estimated during surgery with either their short rotators intact or released. Radiographic severity of OA, range of motion and pain were assessed in the affected hip before surgery. There was no significant difference in the compliance of the capsule whether the short rotators were intact or released (p= 0.5). Furthermore, there was no significant correlation between pain and capsular compliance (p=0.4 and p=0.5). We found no significant effect of the short rotators on compliance of the hip j... Hip International journals http://www.medworm.com/rss/comments.php?id=4981307 Mon, 06 Jun 2011 23:00:00 +0100 4981307 http://www.medworm.com/index.php?rid=4981305&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698580%26dopt%3DAbstract Authors: Fukui K, Kaneuji A, Sugimori T, Ichiseki T, Matsumoto T Abstract: There is sometimes uncertainty concerning the correct socket position prior to total hip arthroplasty (THA). We conducted a study to determine the hip centre in Japanese women in order to define the true anatomical position of the acetabulum. The study involved 200 consecutive female patients in whom the contralateral hip joint was normal or was prearthritic and who underwent unilateral THA. The 'normal' group comprised 100 hip joints with no acetabular hip dysplasia, and the prearthritis group comprised 100 hip joints with Crowe type I dysplasia. The length of a perpendicular line drawn under the teardrop (interteardrop line) connecting both inferior edges of the teardrop with the centre of the femoral head was... Hip International journals http://www.medworm.com/rss/comments.php?id=4981305 Mon, 06 Jun 2011 23:00:00 +0100 4981305 http://www.medworm.com/index.php?rid=4981304&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698581%26dopt%3DAbstract Authors: Bieger R, Martini F, Reichel H, Decking R Abstract: This prospective 12 months dual energy x-ray absorptiometry study evaluated differences in periprosthetic bone mineral density (BMD) in 25 patients undergoing cementless and in 18 patients undergoing cemented unilateral total hip arthroplasty (THA) using the Optan stem, which has the same geometric design for both fixation options. The clinical outcome scores after one year were excellent in both groups. Periprosthetic BMD measurement demonstrated bone loss medially and laterally in the proximal femoral regions following cementless fixation, whereas cemented fixation resulted in predominantly lateral bone resorption. The fixation technique appeared to have a major influence on the femoral BMD changes after THA. PMID: 2169... Hip International journals http://www.medworm.com/rss/comments.php?id=4981304 Mon, 06 Jun 2011 23:00:00 +0100 4981304 http://www.medworm.com/index.php?rid=4981301&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698584%26dopt%3DAbstract Authors: Otte KS, Husted H, Orsnes T, Kehlet H Abstract: Simultaneous bilateral hip arthroplasty has been reported to have varying results in the literature when performed using conventional postoperative care. Unilateral hip and knee arthroplasty as well as bilateral simultaneous knee arthroplasty may be associated with reduced length of stay and low complication rates when performed in a fast-track setting. We believed it would be useful to assess hip arthroplasty in this context, and we report 50 consecutive fast-track simultaneous bilateral hip arthroplasty procedures. The median length of stay was 4 days. Mortality within 90 days was 4% and 8% required a further operative procedure. The overall complication rate was 22%. 55% of the complications were considered to be caused by fai... Hip International journals http://www.medworm.com/rss/comments.php?id=4981301 Mon, 06 Jun 2011 23:00:00 +0100 4981301 http://www.medworm.com/index.php?rid=4981294&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698591%26dopt%3DAbstract Authors: Baker JF, McGuire CM, Byrne DP, Hunter K, Eustace N, Mulhall KJ Abstract: The optimum anaesthetic and analgesic management following hip arthroscopy is yet to be determined. There is, in addition, some concern over the use of intraarticular local anaesthetic. We compared the analgesic efficacy of intra-articular infiltration compared with portal infiltration of bupivacaine following hip arthroscopy. Patients were randomised to receive either 10ml of 0.25% bupivacaine either into the joint or around the portal sites following completion of surgery. 73 patients were recruited (40 intra-articular). The portal infiltration group required significantly more rescue analgesia immediately after surgery (2.33mg vs.0.57mg, p=0.036). Visual Analogue Scale pain scores were not significant... Hip International journals http://www.medworm.com/rss/comments.php?id=4981294 Mon, 06 Jun 2011 23:00:00 +0100 4981294 http://www.medworm.com/index.php?rid=4981293&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698592%26dopt%3DAbstract We report a case of bone absorption and lytic change in the femur associated with a chylous hip joint effusion after a total hip arthroplasty (THA) in a patient with chylocolporrhoea and a history of chylous ascites. PMID: 21698592 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4981293 Mon, 06 Jun 2011 23:00:00 +0100 4981293 http://www.medworm.com/index.php?rid=4981292&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698593%26dopt%3DAbstract Authors: Hogervorst T, Bouma HW PMID: 21698593 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4981292 Mon, 06 Jun 2011 23:00:00 +0100 4981292 http://www.medworm.com/index.php?rid=4981312&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698573%26dopt%3DAbstract Authors: Beverland DE, Spencer RF PMID: 21698573 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4981312 Sun, 05 Jun 2011 23:00:00 +0100 4981312 http://www.medworm.com/index.php?rid=4981310&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698575%26dopt%3DAbstract Authors: Groot D, Van Ooij A, Haverkamp D, Morrenhof W Abstract: During a transgluteal approach to the hip joint the anterior part of the gluteus medius and minimus muscles are detached and subsequently reattached to the greater trochanter. Avulsion or rupture of these muscles may result in weak abduction, pain and/or instability. 15 patients with these symptoms were treated, of whom 13 had muscle avulsion at surgery. Reinsertion of these muscles resulted in improvement of pain in 6 (55%) patients and improvement of walking ability in 9 (82%) patients. Reinsertion of avulsed gluteal muscles after transgluteal approaches to the hip may relieve pain and improve walking ability. PMID: 21698575 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4981310 Sun, 05 Jun 2011 23:00:00 +0100 4981310 http://www.medworm.com/index.php?rid=4981306&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698579%26dopt%3DAbstract Authors: Kühnel SP, Kalberer FA, Dora CF Abstract: During periacetabular osteotomy (PAO) the acetabulum is reorientated and the correction monitored by one or more anteroposterior pelvic radiographs. Obtaining these images is time consuming and requires additional technical and personal resources. Such disadvantages could be overcome with the use of fluoroscopy. However, information obtained from fluoroscopy should have the same quality when compared to standard pelvic radiography. Our purpose was to define a suitable fluoroscopy setup and compare the information obtained from the fluoroscopic images to that obtained from a traditional anteroposterior pelvic radiograph. In a consecutive series of 22 patients the acetabular fragment was monitored by a defined intraoperative fluoroscopy... Hip International journals http://www.medworm.com/rss/comments.php?id=4981306 Sun, 05 Jun 2011 23:00:00 +0100 4981306 http://www.medworm.com/index.php?rid=4981300&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21698585%26dopt%3DAbstract Authors: Alazzawi S, Mayahi R, Parker MJ The aim of this study was to assess any possible correlation between body weight and fracture union following displaced intracapsular fractures of the neck of femur treated by a closed reduction and internal fixation. A total of 198 patients with such injuries treated by closed reduction and internal fixation, were recruited retrospectively. Patients were followed up until fracture endpoint (union or non-union) with a minimum follow up of 100 days. The mean body weight for the 118 patients without fracture healing complications was 64.6kg versus 61.8kg for the 80 patients with complications, a difference that was not statistically significant (p=0.17). Analysis of data related to sex and age also found no relationship between weight and fracture... Hip International journals http://www.medworm.com/rss/comments.php?id=4981300 Sun, 05 Jun 2011 23:00:00 +0100 4981300 http://www.medworm.com/index.php?rid=4727042&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484734%26dopt%3DAbstract Authors: Yalcin N, Kilicarslan K, Cicek H, Kayaalp C, Yildirim H Abstract. Large bearing metal-on-metal (MOM) total hip arthroplasty (THA) may offer advantages relating to stability and range of motion in patients with Crowe Type I and II developmental dysplasia of the hip (DDH). The purpose of this study was to provide an analysis of the clinical and radiological results of MOM THA in this context and compare the results with a cohort of patients treated with metal-on-polyethylene (MOP) bearing surfaces. 75 hips in 65 patients were treated with cementless MOM THA using large femoral heads (36-56 mm). The mean age of the patients was 47.4 years (29 to 59) and 54 were female. A group of 47 hips (41 patients) treated with conventional THA (screwed cup-polyethylene insert-28mm head) was u... Hip International journals http://www.medworm.com/rss/comments.php?id=4727042 Sun, 10 Apr 2011 23:00:00 +0100 4727042 http://www.medworm.com/index.php?rid=4727038&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484736%26dopt%3DAbstract This study identified the prevalence of dysplasia on standard radiographs in a group of 76 consecutive patients with symptomatic FAI. The centre-edge (CE) angle of Wiberg, the acetabular angle (AA) of Sharp, FAI type, offset ratio and posterior wall sign were identified. 63 patients, predominantly young adult males (mean age: 34.6 years; 10:4 male-to-female ratio), met our inclusion criteria. Most females (13:18) showed signs of dysplasia based on the AA. No association of dysplasia with FAI group, offset ratio or posterior wall sign was found. 47% of our patients with FAI also had radiographic evidence of dysplasia (3-15% definite and 9-30% borderline, depending on the angle utilised). Surgery for FAI should therefore take into account the presence of co-existing dysplasia. Conversely, su... Hip International journals http://www.medworm.com/rss/comments.php?id=4727038 Sun, 10 Apr 2011 23:00:00 +0100 4727038 http://www.medworm.com/index.php?rid=4727036&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484737%26dopt%3DAbstract Authors: Fujii J, Yasunaga Y, Yamasaki A, Ochi M Wear debris is believed to cause periprosthetic osteolysis and loosening of total joint arthroplasties. We investigated the wear debris-mediated osteolysis in wild-type mice and macrophage-deficient Csf1op/Csf1op (op/op) mice using high density polyethylene (HDP) particles transplanted on the parietal bone surface. Four weeks after surgery, phagocytosis of the HDP particles by F4/80-positive macrophages and tartrate-resistant acid phosphatase (TRAP)-positive osteoclasts was observed in the normal mice, but not in the macrophage-deficient op/op mice. These results suggest that macrophages are implicated in wear debris-dependent osteoclast formation. However, HDP particles were phagocytosed not only by macrophages but also by F4/80-negativ... Hip International journals http://www.medworm.com/rss/comments.php?id=4727036 Sun, 10 Apr 2011 23:00:00 +0100 4727036 http://www.medworm.com/index.php?rid=4727026&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484741%26dopt%3DAbstract Authors: Chen GX, Zhang Y, Wang WB, Wang KF, He R, Gu LC, Zhang EQ, Dai G, Duan XJ, Guo L, Yang L Femoroacetabular impingement (FAI) has been accepted as a potential cause of idiopathic hip pain and osteoarthritis. Few cases of FAI have been reported in the Chinese population. We reviewed radiographic features of patients with idiopathic hip pain to characterize FAI in the Chinese population, any alternative radiographic measures, and potential symptom association. All anteroposterior pelvic radiographs of outpatients (n = 1,128) between December 2007 and August 2008 were reviewed. The radiographic measurements, including anteroposterior alpha angle (AP-a), radial height/radius ratio (R1), and 1/2 radial height/radius ratio (R2) as well as crossover signs, were recorded on both hip joi... Hip International journals http://www.medworm.com/rss/comments.php?id=4727026 Sun, 10 Apr 2011 23:00:00 +0100 4727026 http://www.medworm.com/index.php?rid=4727034&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484738%26dopt%3DAbstract Authors: Cawley DT, Curtin PD, Lohan D, O'Sullivan M, Curtin W Cementless hemiarthroplasty in hip fracture surgery has been associated with poorer outcomes and more pain than cemented hemiarthroplasty. The aim was to investigate clinical and radiographic outcomes for a cementless tapered titanium fully hydroyxapatite-coated (Corail® System) stem in this consecutive cohort of hip fracture patients. We retrospectively evaluated the results of 68 consecutive elderly patients with displaced intracapsular hip fractures, treated with this implant. Mean clinical follow-up was 4.3 years (2-6 years). One-year mortality was 24%. 95% of patients had no/occasional/mild mid-thigh pain, with moderate pain in 5%. 39% achieved independent or walking-stick mobility. 36 patients had follow-up radiograp... Hip International journals http://www.medworm.com/rss/comments.php?id=4727034 Thu, 07 Apr 2011 23:00:00 +0100 4727034 http://www.medworm.com/index.php?rid=4727040&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484735%26dopt%3DAbstract We present 3 cases of intra-prosthetic dissociation between the outer polyethylene liner and the femoral head after closed reduction of prosthetic dislocation. PMID: 21484735 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4727040 Tue, 05 Apr 2011 23:00:00 +0100 4727040 http://www.medworm.com/index.php?rid=4727012&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484744%26dopt%3DAbstract Authors: Zerahn B, Borgwardt L, Ribel-Madsen S, Borgwardt A We performed a study to assess whether different bearing materials have an impact on femoral bone remodeling within the first four years after a hybrid total hip arthroplasty. 205 of 300 patients were available for 4 years follow-up after being randomly allocated to four prosthetic combinations: A: Zirconia ceramic head, polyethylene cup; B: Cobalt-Chrome-Molybdenum head and cup; C: Zirconia ceramic head, polyethylene moulded on the Titanium shell of the Asian cup; D: Alumina head and cup. Bone mineral density (BMD) was measured with Dual-Energy X-ray Absorptiometry in seven Gruen zones adjacent to the femoral implant. Scans were performed within one week after surgery and four years postoperatively. Clinical outcomes were mon... Hip International journals http://www.medworm.com/rss/comments.php?id=4727012 Tue, 05 Apr 2011 23:00:00 +0100 4727012 http://www.medworm.com/index.php?rid=4727007&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484745%26dopt%3DAbstract Authors: Tey M, Erquicia JI, Pelfort X, Miquel J, Gelber PE, Ribas M Abstract. The acetabular labrum augments femoral head coverage within the acetabulum and contributes to hip joint stability. This has led to an increasing interest in procedures dedicated to preservation of the labrum. An allogenic labral transplantation performed in a patient who had previously undergone a partial labral resection is presented. PMID: 21484745 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4727007 Tue, 05 Apr 2011 23:00:00 +0100 4727007 http://www.medworm.com/index.php?rid=4726994&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484747%26dopt%3DAbstract We examined the effect of core decompression combined with an allogeneic, antigen-extracted, autolysed fibular allograft and autologous impacted bone grafting for the treatment of osteonecrosis of the femoral head. The study included 162 patients (223 hips; 61 females, 101 males; mean age 33.5 years, range 19-54 years) with stage II-III avascular necrosis of the femoral head according to the ARCO (Association Research Circulation Osseous) classification. The outcome was determined by changes in the Harris hip score, by progression in radiographic stages, and by the need for hip replacement. The mean follow-up was 24 months (range 7- 42 months). Statistical evaluation included Kaplan-Meier survival analysis. The mean Harris hip score increased from 61 to 85. Excellent and good results were ... Hip International journals http://www.medworm.com/rss/comments.php?id=4726994 Tue, 05 Apr 2011 23:00:00 +0100 4726994 http://www.medworm.com/index.php?rid=4726981&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484749%26dopt%3DAbstract Authors: Erduran M, Akseki D, Ulusal AE, Araç SS PMID: 21484749 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4726981 Tue, 05 Apr 2011 23:00:00 +0100 4726981 http://www.medworm.com/index.php?rid=4727043&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484733%26dopt%3DAbstract Authors: Desai AS, Connors L, Board TN We aimed to assess the radiological and functional outcome of total hip arthroplasty performed using a simple technique for intra-operative leg length assessment. The comparative group was made up of patients receiving total hip arthroplasty prior to introduction of the technique. Fifty patients were studied in each group. The pre- and 3 month post-operative leg length difference (LLD) was measured radiologically along with pre- and 12 months post-operative Oxford hip scores (OHS) and University of California Los Angeles (UCLA) activity scores.There were no statistically significant differences in pre-operative parameters between the two groups. The mean LLD in the new technique group was 0.46mm which was significantly less than in the control gro... Hip International journals http://www.medworm.com/rss/comments.php?id=4727043 Mon, 04 Apr 2011 23:00:00 +0100 4727043 http://www.medworm.com/index.php?rid=4727033&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484739%26dopt%3DAbstract We present an evaluation of the effect of local anaesthetic infiltration in such cases , the objective being to decrease the need for postoperative opioids and to improve pain control for patients after surgery. 33 patients undergoing internal fixation with 2 parallel hook pins were randomized into 2 groups in a double blind study (ClinicalTrials.gov: NCT00529425). 33 patients received intraoperative infiltration followed by 6 postoperative injections through an intraarticular catheter in eight-hour intervals. 19 patients received ropivacaine and 14 received saline. The intervention period was 48 hours and the observation period was 5 days. In both groups there were no restrictions on the total daily dose of rescue analgesics. Pain was assessed at specific postoperative time-points and the... Hip International journals http://www.medworm.com/rss/comments.php?id=4727033 Mon, 04 Apr 2011 23:00:00 +0100 4727033 http://www.medworm.com/index.php?rid=4727031&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484740%26dopt%3DAbstract Authors: Pearce CJ, Patel S, Sexton SA, Reeves A, Khairandish H, Khaleel A It is common practice to irrigate the wound in hip and knee replacement surgery during the working and setting phases of cement polymerisation. We sought to establish whether the addition of normal saline during the various stages of polymerisation would affect bone cement strength. Cement specimens were moulded to the dimensions defined in ISO 5833: 2002 and tested in an electro-mechanical test machine with a calibrated 50 kN load cell at a compression rate of 24 mm/min. The results suggest that the compressive strength of bone cement is not affected by the presence of saline following the initiation of polymerisation. However, saline added to the mix prior to the initiation of polymerisation increased its poro... Hip International journals http://www.medworm.com/rss/comments.php?id=4727031 Mon, 04 Apr 2011 23:00:00 +0100 4727031 http://www.medworm.com/index.php?rid=4727022&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484742%26dopt%3DAbstract We present the case of a 55-year-old woman who sustained a left femoral neck fracture which was managed by insertion of a dynamic hip screw. Six hours after surgery, distension appeared in the left lower quadrant of her abdomen associated with a decline in haemoglobin concentration and clinical signs of ongoing bleeding. Computed tomography showed a left retroperitoneal mass without concomitant extravasation of contrast material. Exploratory laparotomy revealed a damaged left obturator artery with a large haematoma in its vicinity. After arterial ligation and retroperitoneal space decompression her postoperative course was uneventful. Reviewing intraoperative C arm images a 0.8 cm protrusion of the threaded guide wire was identified as the cause of obturator artery damage. PMID: 214847... Hip International journals http://www.medworm.com/rss/comments.php?id=4727022 Mon, 04 Apr 2011 23:00:00 +0100 4727022 http://www.medworm.com/index.php?rid=4727018&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484743%26dopt%3DAbstract Authors: Kohl S, Hosalkar HS, Mainil-Varlet P, Krueger A, Buechler L, Siebenrock K This prospective study on symptomatic adult patients with femoroacetabular impingement (FAI) who underwent open surgical intervention for management was designed to identify any obvious histological differences in the damaged acetabular cartilage within different subgroups of FAI. 20 patients underwent surgical intervention following safe surgical dislocation of the hip. There were 6 cases of cam impingement, 5 cases of pincer impingement and 9 of the mixed type. Pincer impingement cases demonstrated a characteristic focal, well-circumscribed and localized area of severe damage. On the other hand, cases with cam impingement showed a diffuse area of involvement affecting a larger surface of the acetabular... Hip International journals http://www.medworm.com/rss/comments.php?id=4727018 Mon, 04 Apr 2011 23:00:00 +0100 4727018 http://www.medworm.com/index.php?rid=4727000&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484746%26dopt%3DAbstract Authors: Wall PD, Hossain M, Ganapathi M, Andrew JG It is not clear if regaining sexual activity is important for patients undergoing total hip arthroplasty (THA) or whether hip surgeons are aware of and manage the concerns of their patients in this context. A questionnaire survey was conducted on 100 patients undergoing THA immediately before and six months after surgery. All members of the British Hip Society with a valid email address were surveyed. 86 patients responded. 71 were sexually active and of these, 55 (77%) believed their hip pathology had been limiting their sex lives. 39 (55%) would have preferred further information than was provided. 51 (72%) patients had recommenced sexual activity by six months post operation. 83 of 140 surgeons responded. 30 (36%) surgeons enquired... Hip International journals http://www.medworm.com/rss/comments.php?id=4727000 Mon, 04 Apr 2011 23:00:00 +0100 4727000 http://www.medworm.com/index.php?rid=4726970&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484750%26dopt%3DAbstract We report the case of a 79-year-old male with an intertrochanteric fracture, treated by closed antegrade intramedullary nailing, which was complicated by late injury to the superficial femoral artery 5 weeks after surgery. The injury was caused by a spike of bone from the anteriorly displaced lesser trochanter fragment. Direct suture of the injured artery was possible without subsequent complications. PMID: 21484750 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4726970 Mon, 04 Apr 2011 23:00:00 +0100 4726970 http://www.medworm.com/index.php?rid=4726991&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484748%26dopt%3DAbstract We present a case of a neglected femoral neck fracture in a young adult with late sequelae of poliomyelitis managed by Baksi's procedure. At final follow up at 2 years the patient was able to walk without aids and had returned to his job. PMID: 21484748 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4726991 Sun, 03 Apr 2011 23:00:00 +0100 4726991 http://www.medworm.com/index.php?rid=4726962&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21484751%26dopt%3DAbstract Conclusion; The use of impacted autograft in combination with cementless components for acetabular revision can achieve good short- to medium-term result in patients with acetabular bone deficiency. PMID: 21484751 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4726962 Sun, 03 Apr 2011 23:00:00 +0100 4726962 http://www.medworm.com/index.php?rid=4727049&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21462148%26dopt%3DAbstract Authors: Hayashi S, Nishiyama T, Fujishiro T, Kanzaki N, Hashimoto S, Takebe K, Kurosaka M Abstract. Periprosthetic bone loss is a well documented phenomenon after cementless total hip arthroplasty. We compared the bone mineral density (BMD) in 33 patients using the three dimension taper shape stem and 13 patients with a straight component with a distal taper. Postoperative follow-up was evaluated by dual-energy X-ray absorptiometry. BMD was recorded in seven Gruen zones. BMD was correlated with clinical examination, Harris Hip Score (HHS), Body Mass Index (BMI) and age. Clinical assessment took place at 12 months post operation. Periprosthetic BMD loss using the three dimensional straight tapered stem was consistently much less in comparison with the straight type component with a dis... Hip International journals http://www.medworm.com/rss/comments.php?id=4727049 Wed, 30 Mar 2011 23:00:00 +0100 4727049 http://www.medworm.com/index.php?rid=4727047&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21462150%26dopt%3DAbstract Authors: Jayakumar P, Malik AK, Islam SU, Haddad FS Abstract. This is a medium-term, prospective assessment of 56 revision total hip replacements using a.cementless, extensively porous-coated femoral stem.with a mean follow-up of 6 years. All implants demonstrated evidence of bony ingrowth and stable fixation with no cases of loosening, instability, deep infection, stress shielding, subsidence or osteolysis at last follow-up. Complications included two intra-operative fractures, three dislocations, one superficial infection, and one patient with thigh pain. No femoral stems were revised. Good to excellent clinical outcomes were achieved on Harris Hip Score (90% (n = 47/52), Western Ontario and McMaster Universities Index (92% (n = 48/52), and University of California Los Angeles activi... Hip International journals http://www.medworm.com/rss/comments.php?id=4727047 Wed, 30 Mar 2011 23:00:00 +0100 4727047 http://www.medworm.com/index.php?rid=4727046&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21462151%26dopt%3DAbstract Authors: Carrothers AD, Gilbert RE, Richardson JB Abstract. There is no published literature to support mid to long term results of hip resurfacing (HR) arthroplasty in patients over the age of 70 years. The purpose of our study was to evaluate the function HR in this age group (70 or older at the time of surgery) at medium to long term follow-up. Between July 1997 and November 2002, the Oswestry Outcome Centre independently and prospectively collected data on 5000 Birmingham Hip Resurfacings (BHRs). 106 had been implanted in elderly patients who were 70 years of age or older. The post-operative Harris and Merle D'Aubigné and Postel (MDP) hip scores and causes for revision were used to ascertain function and implant survival. Hip scores for the older BHR patients were compared with th... Hip International journals http://www.medworm.com/rss/comments.php?id=4727046 Wed, 30 Mar 2011 23:00:00 +0100 4727046 http://www.medworm.com/index.php?rid=4727048&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21462149%26dopt%3DAbstract We examined the Oxford Hip Scores (OHS), Harris Hip Scores (HHS) and outcomes of patients with varus hips against a normal cohort to ascertain any significant difference. We identified 179 patients. Measurement of the femoral neck-shaft angle was undertaken from antero-posterior radiographs pre-operatively. The mean NSA was 128.5 degrees (SD 6.3). Patients with a NSA of less than 122.2 were deemed varus and those above 134.8 valgus. These parameters were consistent with published anatomical studies. The 'varus' cohort consisted of 23 patients, mean NSA 118.7 (range 113.6-121.5), mean follow-up 49 months (range 13-74). Mean OHS and HHS were 16 and 93.5 respectively. Complications included 2 cases of trochanteric non-union, but there were no femoral neck fractures, early failures or revision... Hip International journals http://www.medworm.com/rss/comments.php?id=4727048 Tue, 29 Mar 2011 23:00:00 +0100 4727048 http://www.medworm.com/index.php?rid=4727045&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21462152%26dopt%3DAbstract In this study, the dynamic relationship between the acetabulum and the sciatic nerve, which is important for preventing sciatic nerve palsy during the hip surgery, was investigated. The sciatic nerve was exposed in 69 cadaveric hips. The relationship between the bony acetabulum and the sciatic nerve was examined in three different positions; as the ipsilateral hip was flexed; extended; or in neutral position. We found that the middle part of the posterior acetabular rim was closer to the sciatic nerve than its superior or inferior parts. The sciatic nerve was perilous when the ipsilateral hip was flexed and the middle part of the posterior acetabular rim was more risky than the superior or inferior parts, in terms of iatrogenic sciatic nerve injury. PMID: 21462152 [PubMed - as supplied... Hip International journals http://www.medworm.com/rss/comments.php?id=4727045 Mon, 28 Mar 2011 23:00:00 +0100 4727045 http://www.medworm.com/index.php?rid=4727044&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21462153%26dopt%3DAbstract Authors: Capone A, Podda D, Ennas F, Iesu C, Casciu L, Civinini R Abstract. Transient bone marrow oedema syndrome of the proximal femur is characterized by acute, progressive pain in the hip that is increased by weight-bearing. Treatment includes restricted weight-bearing and analgesic medication. A prospective, randomized study was performed to compare two groups of patients affected by bone marrow oedema syndrome of the femoral head. 20 patients received pharmacological and hyperbaric oxygen therapy, and a control group of 21 patients received pharmacological therapy alone. The overall average WOMAC score at 3 months was significantly higher (p<0.001) for the hyperbaric oxygen group (70.8 points) compared with the control group (56.4 points). Magnetic Resonance Imaging at 3 mo... Hip International journals http://www.medworm.com/rss/comments.php?id=4727044 Mon, 28 Mar 2011 23:00:00 +0100 4727044 http://www.medworm.com/index.php?rid=4439627&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21279964%26dopt%3DAbstract We present an assessment of the neck sparing "Biodynamic" prosthesis. 153 patients were evaluated in a longitudinal cohort prospective study, with survival analysis, clinical score and radiographic assessment of stability and osteointegration at 41.8 months average follow up. Survival and clinical outcome were similar to most traditional prostheses in the literature. On radiographic analysis we recorded good neck preservation and osteointegration. Only two stem failures were recorded. Poor clinical outcome was related to misalignment of prostheses implanted during the 'learning curve'. The NSP system described may be a good alternative to HR for younger patients. The system is characterized by good survival and clinical and radiographic outcome combined with bone stock preservation. PM... Hip International journals http://www.medworm.com/rss/comments.php?id=4439627 Fri, 28 Jan 2011 00:00:00 +0100 4439627 http://www.medworm.com/index.php?rid=4439623&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21279968%26dopt%3DAbstract We describe what we believe to be a case of sciatic nerve ischemia due to intra-operative arterial occlusion, and we discuss the vascular anatomy which may have contributed. PMID: 21279968 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4439623 Fri, 28 Jan 2011 00:00:00 +0100 4439623 http://www.medworm.com/index.php?rid=4439622&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21279969%26dopt%3DAbstract Authors: Portinaro NM, Porteus A, Parafioriti A, Panou A, Benson MK There are no clear explanations for the spectrum of hip dysplasia nor for the observation that in normal and dysplastic hips, final development may be unpredictable with or without treatment. Immunohistochemical and histological studies of a three month old child's acetabulae were performed. Multiple inclusions were found in the lateral ring epiphysis and in the three flanges of the triradiate cartilage. These inclusions may represent cartilage vessel systems pre-destined to form the secondary centres of ossification. Damage to the primary acetabular growth plates may occur congenitally and help to explain the spectrum of acetabular dysplasia. Damage to one or more of these centres, whether due to instability, displace... Hip International journals http://www.medworm.com/rss/comments.php?id=4439622 Fri, 28 Jan 2011 00:00:00 +0100 4439622 http://www.medworm.com/index.php?rid=4439631&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21279960%26dopt%3DAbstract Authors: Garg B, Upendra BN, Jayaswal A Large femoral neck defects are frequently associated with neglected femoral neck fractures, sequelae of infection, and failed fixation devices. The AIIMS box technique of neck reconstruction has the objectives of femoral head preservation and restoration of hip function in such cases. 32 patients (age range 20-56, average 38 years) with large femoral neck defects were treated from January 1990 to May 1997 and were followed up for a minimum of 10 years (range 10 to 17 years). The neck defect was converted into a box using osteal flaps (base from greater trochanter, anterior wall from head, quadratus femoris muscle pedicle graft posteriorly), which was filled with cancellous bone autograft, and stabilized with cancellous screws. Union occurred in a... Hip International journals http://www.medworm.com/rss/comments.php?id=4439631 Thu, 27 Jan 2011 00:00:00 +0100 4439631 http://www.medworm.com/index.php?rid=4439630&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21279961%26dopt%3DAbstract We report a case of a missed posterior acetabular rim fracture, caused by a low energy trauma playing soccer, complicated by the development of avascular necrosis (AVN) of the femoral head and subsequent osteoarthritis. PMID: 21279961 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4439630 Thu, 27 Jan 2011 00:00:00 +0100 4439630 http://www.medworm.com/index.php?rid=4439625&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21279966%26dopt%3DAbstract We report two patients requiring revision total hip arthroplasty with intrapelvic screw tips located close to the iliac artery. The screw tips were separated from artery by a retroperitoneal exposure prior to revision surgery. Assessment of screw position by computed tomography (CT) is important prior to revision total hip arthroplasty. PMID: 21279966 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4439625 Thu, 27 Jan 2011 00:00:00 +0100 4439625 http://www.medworm.com/index.php?rid=4439624&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21279967%26dopt%3DAbstract We report the outcome of hip arthroplasty using a cementless threaded cup and a cementless straight stem in patients with high congenital hip dislocation. Between January 2001 and August 2004, 17 patients with high congenital hip dislocation were treated. During surgery, at least 25% of the cup was anchored in bone. By monitoring somatosensory-evoked potentials (SEPs) of the common peroneal nerve we were able to reduce the femoral head into position in the true acetabulum by releasing soft tissues. A bulk autogenous femoral head bone graft was implanted in 5 patients to achieve at least 75% bony coverage of the acertabular component. Follow-up ranged from 48 months to 91 months with an average of 69.7 months. The mean Harris hip score increased from 43 points preoperatively to 89 points at... Hip International journals http://www.medworm.com/rss/comments.php?id=4439624 Thu, 27 Jan 2011 00:00:00 +0100 4439624 http://www.medworm.com/index.php?rid=4439621&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21279970%26dopt%3DAbstract Authors: Giannini S, Cadossi M, Chiarello E, Faldini C, Moroni A, Romagnoli M We reviewed the clinical and radiological outcome at a minimum of five years of 140 consecutive metal-on-metal hip resurfacing (HR) arthroplasties in 132 patients. The mean follow-up was 73 months (62 to 105). Revision of either component was defined as failure. The average Harris hip score (HHS) was 58.6 (25 to 88) preoperatively and 94.4 (60 to 100) at the latest follow-up (p<0.0005). Average University of California Los Angeles (UCLA) activity score was 3.1 (1 to 9) pre-operatively and 6.7 (2 to 10) post-operatively (p<0.0005). The survival after 6 years was 97.8% overall and 98.5% (excluding a post traumatic femoral neck fracture). These good medium-term results suggest that HR is an effecti... Hip International journals http://www.medworm.com/rss/comments.php?id=4439621 Thu, 27 Jan 2011 00:00:00 +0100 4439621 http://www.medworm.com/index.php?rid=4439620&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21279971%26dopt%3DAbstract Authors: Legaye J, Duval-Beaupere G, Barrau A, Boulay C, Hecquet J, Montigny JP, Tardieu C The importance of the sacral pelvic incidence (SPI) in relation to individual variations of sagittal spinal curvature has become well-recognised. We attempted to determine the relationship between SPI and acetabular orientation. The three-dimensional coordinates of 47 homologous points were observed on 51 adult anatomical pelvises (26 female and 25 male). The reference vertical plane was Lewinnek's anterior pelvic plane. 10 angular parameters and 11 linear parameters were defined and calculated. These were expressed both in absolute value (in millimetres) and in "acetabular unit" (relative to the mean value of the right and left acetabular rays). Mean values of the parameters were calculated for ... Hip International journals http://www.medworm.com/rss/comments.php?id=4439620 Thu, 27 Jan 2011 00:00:00 +0100 4439620 http://www.medworm.com/index.php?rid=4439619&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21279972%26dopt%3DAbstract Authors: Ng VY, Ellis TJ Recent orthopaedic literature has implicated femoroacetabular impingement, the pathologic abutment of structural aberrancies in the proximal femur and acetabular rim, as an important cause of groin pain in young individuals and a potential factor in early idiopathic osteoarthritis. The etiology and risk factors for developing cam-type morphology are still unknown. The osseous anatomy of the proximal femur in humans is the culmination of nearly 400 million years of evolution. Coxa recta and coxa rotunda are the two predominant morphologies in modern animals. While the latter, characterized by a straight head-neck junction, is often present in cursorial creatures, the former, distinguished by high offset at this junction, is exemplified in most humans. Based on t... Hip International journals http://www.medworm.com/rss/comments.php?id=4439619 Thu, 27 Jan 2011 00:00:00 +0100 4439619 http://www.medworm.com/index.php?rid=4439629&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21279962%26dopt%3DAbstract We describe our experience of treating 13 patients with failed metal on metal bearing hip prostheses secondary to this condition. Hip revision occurred at mean of 45 months following primary surgery. Groin pain was present in all patients. Other common features included large bursal swelling and mechanical symptoms. 3 patients developed their symptoms immediately postoperatively. The mean time to presentation was 21 months. Radiographic abnormalitites noted included 3 patients with cup loosening and 2 patients with neck thinning. The mean cup inclination was 52 degrees. Surgical findings included bursal swellings and creamy brown fluid. Osteolysis was rarely seen. 12 revisions were achieved with primary implants and all patients had immediate symptomatic improvement. One patient was left w... Hip International journals http://www.medworm.com/rss/comments.php?id=4439629 Wed, 26 Jan 2011 00:00:00 +0100 4439629 http://www.medworm.com/index.php?rid=4439628&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21279963%26dopt%3DAbstract Authors: Girard J, Riera P, Pearce O, Duquennoy A, Migaud H To address femoral bone loss in revision total hip arthroplasty (THA) we developed a technique involving impaction allografting with intramedullary mesh moulded around the revision stem, to prevent excessive cement penetration of the allograft. The length of the revision stem was determined by the extent of femoral bone loss. Between 1986 and 1998, 32 such procedures were undertaken on 28 patients. The mean pre-operative HHS for function was 22 (range 5 to 42), improving to 41 (range 12 to 47) at final follow-up. Only 1 patient presented with aseptic loosening after revision at 147 months (12.2 years). The 12.5 year survivorship for the stem was 92.8%. The technique has provided stable and durable reconstruction, with good new... Hip International journals http://www.medworm.com/rss/comments.php?id=4439628 Tue, 25 Jan 2011 00:00:00 +0100 4439628 http://www.medworm.com/index.php?rid=4439632&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21279959%26dopt%3DAbstract Authors: Cutts S, Pasapula CS, Modi NR, Gwozdziewicz L, Bowers AG During total hip replacement, the reamed medullary canal of the femur should represent a clean, dry surface. We compared the effectiveness of 4 different cotton swabs in a synthetic femur that had been reamed to receive a size 1 Exeter trial prosthesis. Swab sizes included a 2.5 cm and a 7.5 cm diameter ribbon gauze, a pair of 10 x 7.5 cms square swabs and a larger surgical packing swab (20 x 22 cms). The ability of the swabs to pack the femur was assessed using both plain radiographs and colour photography (after femoral section). After retrieval from the canal, the total dry weight of the cotton inserted was recorded as was the time required to withdraw each swab type. Only the narrowest (2.5 cm diameter) ribbon gauze ... Hip International journals http://www.medworm.com/rss/comments.php?id=4439632 Mon, 24 Jan 2011 00:00:00 +0100 4439632 http://www.medworm.com/index.php?rid=4439626&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21279965%26dopt%3DAbstract Authors: Artiaco S, Boggio F, Titolo P, Zoccola K, Bianchi P, Bellomo F The application of modular femoral stems is constantly increasing in revision hip surgery. From March 2001 to March 2006, we employed the Profemur R modular stem in 35 cases of femoral component revision (31 first revisions and 4 re-revisions). The reasons for revision surgery included aseptic loosening in 17 cases, periprosthetic femoral fracture in 8 cases, stem fracture in 3 cases, septic loosening in 2 cases and recurrent dislocation in 1 case. According to the Merle d'Aubugne - Postel score clinical results were very good in 11 cases, good in 9 cases, medium in 5 cases, fair in 4 cases and poor in 4 cases. The main complications included 2 intraoperative diaphyseal fractures treated with multiple cerclage wire... Hip International journals http://www.medworm.com/rss/comments.php?id=4439626 Mon, 24 Jan 2011 00:00:00 +0100 4439626 http://www.medworm.com/index.php?rid=4288928&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157743%26dopt%3DAbstract Authors: Zagra L Dear Member of EHS, dear Colleague, I would like to thank you for the confidence placed in me appointing me as the new President of our Society. It is a great honour for me and I hope to help our Society grow during the next two years. I have already started organising the next EHS Congress, which will be held in Milan from 20 to 22 September 2012 and where we will be celebrating our 10th Meeting. First of all, I have to thank Past President George Macheras for all the efforts he made in the last two years to further develop our Society and represent it in the best way. The relations with EFORT (our common house) and with the other specialty societies are excellent at the moment. Moreover, we have just finished our latest Meeting in Athens, which was a really successfu... Hip International journals http://www.medworm.com/rss/comments.php?id=4288928 Tue, 14 Dec 2010 00:00:00 +0100 4288928 http://www.medworm.com/index.php?rid=4288927&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157744%26dopt%3DAbstract Authors: Rayan F, Haddad F Periprosthetic femoral fractures (PFF) are among the more difficult and expensive complications of total hip arthroplasty. A rise in the elderly population and increase use of primary hip replacement has led to an escalating incidence. They can occur intra operatively and post operatively. The treatment algorithm defined by the Vancouver classification has universal acceptance. The epidemiology, etiology, classification and the management of periprosthetic femoral fractures in total hip arthroplasty are reviewed. PMID: 21157744 [PubMed - in process] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4288927 Tue, 14 Dec 2010 00:00:00 +0100 4288927 http://www.medworm.com/index.php?rid=4288926&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157745%26dopt%3DAbstract Authors: Benazzo F, Rossi SM, Cecconi D, Piovani L, Ravasi F We prospectively assessed the results of 239 primary total hip replacements performed using a conical stem combined with modular necks of different lengths and inclinations (Modulus System, Lima Corporate San Daniele Del Friuli, Udine, Italia) in 222 patients (50 men, 172 women), undergoing surgery between October 2001 and December 2006 and presenting with anatomical deformities of the proximal femur and/or acetabulum, including developmental dysplasia (DDH), ankylosis, and sequelae of osteotomies or fractures. Such conditions can make hip replacement problematic. The mean age at the time of surgery was 57.6 years (22 ÷ 83). No patients were lost to follow-up. 3 femoral components underwent revision. At a mean of 5 years fol... Hip International journals http://www.medworm.com/rss/comments.php?id=4288926 Tue, 14 Dec 2010 00:00:00 +0100 4288926 http://www.medworm.com/index.php?rid=4288925&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157746%26dopt%3DAbstract Authors: Rady AE, Asal MK, Bassiony AA Recurrent dislocation after total hip arthroplasty is a disabling complication that can be difficult to treat. We evaluated the early clinical and radiographic outcome associated with the use of a constrained acetabular component for instability in total hip arthroplasty. Fifteen patients underwent either primary or revision total hip arthroplasty with a cementless constrained acetabular component for different indications. The mean patient age at surgery was 57.4 years and the mean clinical and radiological follow-up period was 26.4 months. Clinical assessment was performed by the Harris hip score and at the latest follow up patients reported outcome using the Oxford hip score questionnaire. All radiographs were evaluated for evidence of loosenin... Hip International journals http://www.medworm.com/rss/comments.php?id=4288925 Tue, 14 Dec 2010 00:00:00 +0100 4288925 http://www.medworm.com/index.php?rid=4288924&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157747%26dopt%3DAbstract Authors: Haverkamp D, van den Bekerom MP, Harmse I, Schafroth MU Controversy has prevailed for many years relating to the safety of one-stage and two-stage total hip arthroplasty (THA) for bilateral disease. We performed a meta-analysis of 1460 studies of which 5 prospective studies met our inclusion criteria. A total of 579 patients had two-stage procedures and 334 had one-stage surgery. The studies showed a low heterogeneity (I2 =0%) allowing pooling of data. No differences were found in the incidence of major complications (odds ratio 0.72 95%CI: 0.45-1.15). One-stage bilateral THA may therefore be a safe procedure. PMID: 21157747 [PubMed - in process] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4288924 Tue, 14 Dec 2010 00:00:00 +0100 4288924 http://www.medworm.com/index.php?rid=4288923&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157748%26dopt%3DAbstract Authors: Kampa RJ, Hacker A, Griffiths E, Rosson JW We assessed polyethylene wear and osteolysis in 15 patients (30 hips) undergoing staged bilateral total hip arthroplasties, who had a cemented arthroplasty on one side and a hybrid arthroplasty on the other. All factors apart from mode of acetabular component fixation were matched. Wear was measured radiographically using Livermore's technique. The mean clinical and radiological follow-up was 11.2 years for the cemented and 10.7 years for the hybrid arthroplasties. Mean annual linear wear rate was 0.09mm/year in the cemented sockets and 0.14mm/year in the uncemented sockets. This difference was statistically significant (p=0.03), confirming previous reports that the rate of polyethylene wear is increased in uncemented sockets. No peri... Hip International journals http://www.medworm.com/rss/comments.php?id=4288923 Tue, 14 Dec 2010 00:00:00 +0100 4288923 http://www.medworm.com/index.php?rid=4288922&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157749%26dopt%3DAbstract Authors: Parsons NR, De Souza RM, Oni T, Achten J, Krikler SJ, Costa ML We have compared the Harris hip score with the Oxford hip score in a population of 358 patients (213 men and 145 women) aged between 19 to 74 years (median 55 years), after resurfacing arthroplasty of the hip (between September 1995 and October 2006) with a median follow-up of 6 years. The Oxford hip score was related to the age of the patient (Mann-Whitney test; p = 0.015), the hip lifetime (p = 0.030) and body mass index (p < 0.001). Correlation analysis indicated a good correlation between overall Harris and Oxford hip scores (Spearman's rank correlation = -0.70; p < 0.001). An analysis of correlations between individual items in the Oxford score and functional domains of the Harris score showed that the r... Hip International journals http://www.medworm.com/rss/comments.php?id=4288922 Tue, 14 Dec 2010 00:00:00 +0100 4288922 http://www.medworm.com/index.php?rid=4288921&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157750%26dopt%3DAbstract Authors: Geerdink CH, Grimm B, Rahmy AI, Vencken W, Heyligers IC, Tonino AJ In total hip arthroplasty (THA) Technetium scintigraphy can help to diagnose a loose implant by detecting elevated osteoblastic activity. It has been used for timing the revision of cemented implants. In uncemented cups progressive radiological acetabular osteolysis can be present before loosening accurs, but it is probably unwise to await cup loosening before embarking on revision. We explored the possible relationship between such osteolysis and positive findings on technetium scintigraphy, to see if the technique could predict the need for revision. Between 1990 and 1996 500 hydroxyapatite-coated hip prostheses were implanted (follow-up range: 9-15 years), and technetium scintigraphy and plain radiography we... Hip International journals http://www.medworm.com/rss/comments.php?id=4288921 Tue, 14 Dec 2010 00:00:00 +0100 4288921 http://www.medworm.com/index.php?rid=4288920&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157751%26dopt%3DAbstract We present the medium-term clinical results of a group of patients with high riding dislocated hips in whom a cementless THA and subtrochanteric shortening osteotomy had been performed. We compared them with their preoperative status, with patients who had undergone a cementless THA for primary osteoarthritis, and also with a group of healthy gender and age-matched controls. Prospective computerized, three-dimensional gait analyses were performed in 8 female patients with uni-/ or bilateral severe developmental dysplasia of the hip (Group I). Gait analysis was performed preoperatively and at a mean of 12.5 months postoperatively. A group of 8 individuals who received cementless hip replacement for primary osteoarthritis (Group II), and a control group of 8 able-bodied individuals (Group II... Hip International journals http://www.medworm.com/rss/comments.php?id=4288920 Tue, 14 Dec 2010 00:00:00 +0100 4288920 http://www.medworm.com/index.php?rid=4288919&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157752%26dopt%3DAbstract Authors: Renedo RJ, Sousa MM, Pérez SF, Zabalbeascoa JR, Carro LP Avascular necrosis of the femoral head (ANFH) is a rare complication that may occur in patients diagnosed with Hodgkin's Disease (HD), as a result of treatment. A review was made of 315 cases of HD treated with systemic chemotherapy associated with high doses of steroids and radiation therapy and 18 patients (5.71%) were found to have developed ANFH during treatment. The mean follow-up time for chemotherapy was 40 months (range 20-110 months) with an average dose of prednisone of 8.45 g (range 3.20 - 18.50). The patients were treated by simple forage, simple forage plus IES and total hip arthroplasty (THA). In 8 cases (44.44%) forage associated with IES was performed as the initial treatment option and 6 of these cases ... Hip International journals http://www.medworm.com/rss/comments.php?id=4288919 Tue, 14 Dec 2010 00:00:00 +0100 4288919 http://www.medworm.com/index.php?rid=4288918&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157753%26dopt%3DAbstract Authors: Malik AK, Chou DT, Witt JD Femoroacetabular impingement (FAI) may be a cause of early osteoarthritis of the hip. The aim of surgical treatment is to improve the head-neck offset in the presence of a cam lesion and to perform acetabular rim resection when pincer impingement is evident, either by open surgery or arthroscopically. We investigated two mini anterior approaches to the hip joint based on the Heuter and direct anterior approach to assess their potential for treating FAI. The two approaches were employed in 20 hips in 10 human cadaveric specimens. The area of femoral head and the portion of the acetabular rim that could be exposed was documented. We found that the two approaches were easy and reproducible. Both allowed adequate exposure to the femoral head. The area of... Hip International journals http://www.medworm.com/rss/comments.php?id=4288918 Tue, 14 Dec 2010 00:00:00 +0100 4288918 http://www.medworm.com/index.php?rid=4288917&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157754%26dopt%3DAbstract Authors: Siebenrock KA, Powell JN, Ganz R Seven patients with symptomatic osteochondritic lesions of the femoral head are presented. All were male with a mean age of 26 years (16 - 33 years). Two distinct morphologic appearances of the hip joint could be identified. Five patients presented with a coxa valga deformity, four of whom had signs of epiphyseal dysplasia. There were 2 patients whose hips appeared normal apart from the osteochondrontic lesions. In both cases an additional acetabular rim lesion due to a reproducible femoro-acetabular impingement was diagnosed at arthrotomy. This may have acted as the underlying cause of osteochondritis dissecans in these cases. All 7 patients underwent surgical treatment. An intertrochanteric osteotomy (I.O.) alone was performed in 2 patients. ... Hip International journals http://www.medworm.com/rss/comments.php?id=4288917 Tue, 14 Dec 2010 00:00:00 +0100 4288917 http://www.medworm.com/index.php?rid=4288916&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157755%26dopt%3DAbstract We describe a hip condition with a recognisable pattern of clinical signs and radiological findings thought to result from chronic capsular injury. Between June 2006 and October 2009, ten patients (11 hips), four men and six women, were identified with an abnormality of external rotation at the hip joint. A detailed history and clinical examination was undertaken for each patient. Dynamic magnetic resonance imaging of symptomatic and control hips were evaluated for bony and soft tissue appearances. The relative positions of the femoral head and the acetabulum were assessed through a range of hip rotation. In affected hips, a loss of normal log roll recoil was observed. Three distortions of the iliofemoral ligament were identified on axial MR images; thinning at the lateral insertion of the... Hip International journals http://www.medworm.com/rss/comments.php?id=4288916 Tue, 14 Dec 2010 00:00:00 +0100 4288916 http://www.medworm.com/index.php?rid=4288915&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157756%26dopt%3DAbstract Authors: O'Brien S, Kernohan G, Fitzpatrick C, Hill J, Beverland D Lower limb length differences of up to 10mm exist in 60% - 95% of the population.There are usually no symptoms or functional effects. Following Total Hip Arthroplasty (THA), satisfactory clinical results can be spoiled by dissatisfaction due to a change in leg length. Although the change in leg length may be modest in comparison to the normal variation, the patient may perceive this as a leg length discrepancy. To study the average threshold for perception, artificial leg length discrepancies of 5 mm to 25 mm were created in 30 young healthy adults using calibrated wooden blocks. Responses were recorded and analysed using a chi-squared test for independence and an independent measures t-test. Awareness of leg length dis... Hip International journals http://www.medworm.com/rss/comments.php?id=4288915 Tue, 14 Dec 2010 00:00:00 +0100 4288915 http://www.medworm.com/index.php?rid=4288914&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157757%26dopt%3DAbstract We describe a new device designed to measure hip abductor strength, which is practical in a clinical setting. A system of constraints, pads and reference points was devised to make force measurements as little examiner-dependent as possible. Reproducibility was assessed in a controlled setting. The abductor strength of ten healthy young subjects (average age 28 years) was tested twice on each side by two independent examiners. Tests were performed in a supine position, eliminating the influence of gravity and examiner intervention. The results indicated high reproducibility, the maximal measurement uncertainty being within 1 N. Intra-class correlation coefficients ranged from 0.85-0.98 for intra-rater reproducibility, and 0.81-0.96 for inter-rater reporoducibility. The coefficient of varia... Hip International journals http://www.medworm.com/rss/comments.php?id=4288914 Tue, 14 Dec 2010 00:00:00 +0100 4288914 http://www.medworm.com/index.php?rid=4288913&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157758%26dopt%3DAbstract Authors: Gursu S, Demir B, Yildirim T, Oke R, Bursali A, Sahin V Pelvic support osteotomy and femoral lengthening are sometimes employed in cases of hip instability. We assessed the efficacy of surgery following sepsis and congenital dislocation in relation to functional results. Between March 2005 and May 2007 we performed pelvic support osteotomy and femoral lengthening for 21 hips in 20 patients. Preceding pathology included congenital dislocation in 13 hips (12 patients) and sequelae of sepsis in 8 hips. All surgical procedures were performed as described by Ilizarov. The mean follow-up period was 33.5 months. There was no significant difference between the final Harris Hip Scores of the 2 groups. The number of patients with persisting abductor weakness was similar between the 2 gr... Hip International journals http://www.medworm.com/rss/comments.php?id=4288913 Tue, 14 Dec 2010 00:00:00 +0100 4288913 http://www.medworm.com/index.php?rid=4288912&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157759%26dopt%3DAbstract We report the outcome of closed reduction of traumatic hip dislocation in 28 children younger than 16 years of age (average age, 8 years 10 months). At an average follow-up of 8 years and 10 months (range, 2 years - 42 years), 18 patients were asymptomatic and enjoying a normal life, and some of them returned to practice sport activities. The remainder had complications related to associated injuries. There were no cases of avascular necrosis of the femoral head during follow-up. The majority of dislocations were attributable to low energy injuries in children younger than 10 years of age. Traumatic hip dislocation in children is uncommon. Management after reduction is not clearly defined in the literature. It is important to perform reduction as soon as possible to avoid later avascular n... Hip International journals http://www.medworm.com/rss/comments.php?id=4288912 Tue, 14 Dec 2010 00:00:00 +0100 4288912 http://www.medworm.com/index.php?rid=4288911&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157760%26dopt%3DAbstract We describe a proximal femoral osteotomy aimed at restoring a more anatomic insertion of the gluteus medius. The clinical and radiographic results thus far are promising. We believe that the technique improves both the anatomy and biomechanics of the hip. PMID: 21157760 [PubMed - in process] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4288911 Tue, 14 Dec 2010 00:00:00 +0100 4288911 http://www.medworm.com/index.php?rid=4288910&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157761%26dopt%3DAbstract Authors: Buttaro MA, Guala AJ, Comba F, Suarez F, Piccaluga F The addition of antibiotic to cement is a frequent practice in aseptic revision hip surgery There is concern about adding vancomycin to cement due to potential effects on mechanical properties and prolonged elution of subtherapeutic levels antibiotic. Bone allografts can store and provide high levels of vancomycin to surrounding tissues. We analyzed the incidence of infection after one-stage aseptic revision hip reconstruction utilizing acetabular and/or femoral vancomycin-impregnated impacted bone allograft and a THA fixed with cement containing no antibiotic. We hypothesized that the infection rate may be similar to that reported in the literature following traditional impaction grafting using antibiotic loaded cement. Sev... Hip International journals http://www.medworm.com/rss/comments.php?id=4288910 Tue, 14 Dec 2010 00:00:00 +0100 4288910 http://www.medworm.com/index.php?rid=4288909&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157762%26dopt%3DAbstract Authors: Ho KK, Beazley J, Parsons N, Costa ML, Foguet P We performed a radiographic review of a consecutive series of 87 resurfacing arthroplasties of the hip, performed between 2004 and 2006. There were 54 cemented femoral components and 33 uncemented femoral components. All of the procedures were performed by the same surgeon using the same approach. There was no difference between the groups with regards to gender, age, pre-operative diagnosis and the average diameter of the components. The primary outcome measured was the neck-prosthesis ratio on standard anterior-posterior pelvis radiographs taken post-operatively and at a minimum follow up of two years. The difference between the immediate post-operative ratio and the most recent radiograph was statistically significant in patie... Hip International journals http://www.medworm.com/rss/comments.php?id=4288909 Tue, 14 Dec 2010 00:00:00 +0100 4288909 http://www.medworm.com/index.php?rid=4288908&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157763%26dopt%3DAbstract Authors: Mao Y, Song J, Wei J, Wang M Unrecognized joint penetration (UJP) by screw penetration through the articular surface undetectable on routine anteroposterior (AP) and lateral radiographs can cause serious complications. We have developed a geometric model to analyze UJP, and methods for the prevention of the problem. A Steinmetz Solid (SS) is the overlapping portion between two identical, vertically intersecting cylinders. The AP and lateral radiographs of a femoral head (simplified as a sphere) are projections of two cylinder-shaped images. A screw that appears to be within the femoral head in fact only lies within the cylinder. A screw apparently within the femoral head on both AP and lateral images is only confined to the SS generated by two cylinders, but not necessarily co... Hip International journals http://www.medworm.com/rss/comments.php?id=4288908 Tue, 14 Dec 2010 00:00:00 +0100 4288908 http://www.medworm.com/index.php?rid=4288907&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157764%26dopt%3DAbstract We report 4 cases of broken Kirschner or guide wire removal around the hip joint. Two wires were inside the hip joint and two had protruded into the pelvis. The problems encountered and techniques used for retrieval are discussed. PMID: 21157764 [PubMed - in process] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4288907 Tue, 14 Dec 2010 00:00:00 +0100 4288907 http://www.medworm.com/index.php?rid=4288906&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157765%26dopt%3DAbstract Authors: Deakin DE, Mishreki A, Aslam N, Docker C The use of extended duration thromboprophylaxis following hip and knee arthroplasty is becoming widespread. The aim of our study was to determine patient compliance with extended duration thromboprophylaxis using low molecular weight (LMWH) injections following hip and knee arthroplasty. 42 consecutive patients undergoing hip and knee arthroplasty were prospectively contacted during their fifth post operative week. A fully anonymised questionnaire was completed by each patient. All patients responded. One was excluded having been prescribed warfarin for pre existing atrial fibrillation. Twenty nine (71%) patients were discharged with the intention of self administering LMWH injections. Eight (20%) and four (9%) patients were discharged ... Hip International journals http://www.medworm.com/rss/comments.php?id=4288906 Tue, 14 Dec 2010 00:00:00 +0100 4288906 http://www.medworm.com/index.php?rid=4288905&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157766%26dopt%3DAbstract Authors: Leonard M, Nicholson P The authors present the case of a young man with arthrogryphosis multiplex congenita and an above knee amputation who underwent an ipsilateral total hip replacement. The unique aspects of the case and technical difficulties are highlighted. Follow-up at five years revealed an excellent clinical and radiological outcome. PMID: 21157766 [PubMed - in process] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4288905 Tue, 14 Dec 2010 00:00:00 +0100 4288905 http://www.medworm.com/index.php?rid=4288904&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157767%26dopt%3DAbstract We describe an unusual complication following a Ganz trochanteric osteotomy approach, and the technique used to treat the subsequent periprosthetic fracture. PMID: 21157767 [PubMed - in process] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4288904 Tue, 14 Dec 2010 00:00:00 +0100 4288904 http://www.medworm.com/index.php?rid=4288903&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157768%26dopt%3DAbstract Authors: Font-Vizcarra L, Carreño AM, Prat S, Muñoz-Mahamud E, Camacho P, Casanova L A 68-year-old woman presented following a road accident with an undisplaced intertrochanteric fracture affecting an ankylosed hip and an ipsilateral calcaneal fracture. The interthrocanteric fracture was fixed with four 7.0 mm cannulated screws. The calcaneal fracture was fixed with K wires and immobilized in a plaster. Because of this combination of injuries, although she was allowed to mobilize non weight bearing from the first week, sitting and progressive weight bearing were not permitted for six weeks. Radiographs taken at the one year showed consolidation of the hip fracture without complications. Final functional indices showed an EQ-5D VAS score of 40, EQ-5D health state index adapted to Span... Hip International journals http://www.medworm.com/rss/comments.php?id=4288903 Tue, 14 Dec 2010 00:00:00 +0100 4288903 http://www.medworm.com/index.php?rid=4288902&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D21157769%26dopt%3DAbstract Authors: Salvi AE PMID: 21157769 [PubMed - in process] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=4288902 Tue, 14 Dec 2010 00:00:00 +0100 4288902 http://www.medworm.com/index.php?rid=3772592&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D20640991%26dopt%3DAbstract Authors: Nogler M, Mayr E High speed cutting and ultrasound devices for cement extraction from the femoral cavity in hip revision procedures are frequently used. Such devices generate heat at the cutting interface which may damage osteocytes. One ultrasound device, a manual high-speed cutter and a robot-based high-speed cutter were tested in human cadaveric bone at body temperature. Temperature probes were placed at the cement-bone interface, and data collected from 12 sensors with a digital data-logger during cement removal from the femoral cavity. Peak temperatures from each sensor were recorded and compared by Kruskal-Wallis-H-Test for global effect and Mann-Whitney-U-Test for multiple comparisons.All devices generated mean temperature peaks of over 50 degrees C which is above level... Hip International journals http://www.medworm.com/rss/comments.php?id=3772592 Mon, 12 Jul 2010 23:00:00 +0100 3772592 http://www.medworm.com/index.php?rid=3772591&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D20640992%26dopt%3DAbstract Authors: Rocchietti March M, Tovaglia V, Meo A, Pisani D, Tovaglia P, Aliberti G Transient osteoporosis of the hip (TOH) is not an uncommon condition, usually with a benign course. The syndrome classically affects women during the last trimester of pregnancy, but also middle aged men. Recently, TOH has been described in non pregnant women. The pathophysiology of the disease is uncertain, though several hypotheses have been suggested. Joint pain is the main symptom. TOH is a self-limited condition, which resolves spontaneously with complete recovery within several months in most cases. PMID: 20640992 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=3772591 Mon, 12 Jul 2010 23:00:00 +0100 3772591 http://www.medworm.com/index.php?rid=3772590&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D20640993%26dopt%3DAbstract We present two cases diagnosed with TBMES, one of whom experienced full remission and the other who developed AVN. PMID: 20640993 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=3772590 Mon, 12 Jul 2010 23:00:00 +0100 3772590 http://www.medworm.com/index.php?rid=3772589&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D20640994%26dopt%3DAbstract This study show that 2500 IU dose of dalteparin started 6 hours after surgery significantly reduced blood loss and transfusions compared to 5000 IU dalteparin injected 12 hours before surgery. Few thromboembolic events occurred, and these were equally distributed. PMID: 20640994 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=3772589 Mon, 12 Jul 2010 23:00:00 +0100 3772589 http://www.medworm.com/index.php?rid=3772588&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D20640995%26dopt%3DAbstract We present a patient with the rare association of a retroperitoneal abscess and infected bipolar hemiarthroplasty diagnosed by metallosis in the abscess preoperatively. T1 and T2 weighted magnetic resonance images revealed a very low signal area, suggesting the presence of particulate metal in the abscess. Critical interpretation of imaging may be useful in such cases. PMID: 20640995 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=3772588 Mon, 12 Jul 2010 23:00:00 +0100 3772588 http://www.medworm.com/index.php?rid=3772587&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D20640996%26dopt%3DAbstract We describe the long term clinical results and polythene wear rate measurement of 144 uncemented total hip arthroplasties in 118 patients (Male: Female-65: 53, Mean age: 52.8 years (range 21-78 years) performed between 1988 and 2000 using the Furlong HAC coated threaded acetabular cup. The mean follow-up for the group was 10.2 years (range: 5-17.5, median: 9.7). One femoral stem and two acetabular shells were revised due to aseptic loosening. The mean polythene wear rate was 0.24 mm/year. Ten-year survival for the acetabular and femoral components with radiological evidence of aseptic loosening as an end point was 99.15 (CI: 98.3-99.9) and 99.28 (CI: 98.5-99.9). There was no evidence of osteolysis around the femoral or acetabular components in spite of a relatively high polythene wear rate... Hip International journals http://www.medworm.com/rss/comments.php?id=3772587 Mon, 12 Jul 2010 23:00:00 +0100 3772587 http://www.medworm.com/index.php?rid=3772586&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D20640997%26dopt%3DAbstract Authors: Tomás T, Janícek P, Nachtnebl L, Ondrusek S, Kunovský R We compared technical issues, postoperative outcomes and surgical complications of total hip arthroplasty when using the harmonic scalpel (HS) when compared with conventional techniques (CT) in a prospective, comparative observational study. Thirty patients undergoing total hip arthroplasty were assessed. Operative time, blood loss in drains, postoperative pain, soft tissue injury and complications were recorded. We found no significant differences between the HS and CT groups at baseline. Mean operative time was longer in the HS group compared with the CT of total hip arthroplasty (61 minutes vs. 54 minutes; P<0.05). We found no difference in postoperative pain using a visual analogue scale score, or use of p... Hip International journals http://www.medworm.com/rss/comments.php?id=3772586 Mon, 12 Jul 2010 23:00:00 +0100 3772586 http://www.medworm.com/index.php?rid=3772585&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D20640998%26dopt%3DAbstract Authors: Anagnostakos K, Jung J, Kelm J, Schmitt E The aim of this study was to evaluate the treatment of isolated septic acetabular cup loosening without involvement of the prosthesis stem by insertion of an antibiotic-loaded spacer head and stem retention. Between 1999 and 2008, 13 patients (5 men, 8 women, mean age 69 years) were treated according to this regimen. S. epidermidis and S. aureus were the two most commonly identified pathogens. In 12 cases the polymethylmethacrylate spacers were impregnated with 0.5 g gentamicin + 2 g vancomycin per 40 g bone cement, except in one patient with vancomycin allergy, in whom 0.5 g gentamicin + 0.4 g teicoplanin were used. The spacers acted as hemiarthroplasties. The mean spacer head implantation time was 88 (35-270) days. At a mean follow-u... Hip International journals http://www.medworm.com/rss/comments.php?id=3772585 Mon, 12 Jul 2010 23:00:00 +0100 3772585 http://www.medworm.com/index.php?rid=3687425&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D20563996%26dopt%3DAbstract Authors: Ihle M, Mai S, Siebert WE Our study reports a sub-group of patients with developmental dysplasia from a previously published larger series, with particular emphasis on the use of the uncemented RM acetabular component. We evaluated the long term results of 93 consecutive uncemented THAs in 80 patients using the titanium-coated RM acetabular component and the CLS femoral component in a prospective study. Eighteen hips in 16 patients had osteoarthritis secondary to developmental dysplasia of the hip. The mean follow-up was 19.6 years (18.2 to 20.9). Fourteen patients with 15 hips were clinically and radiographically examined and evaluated. Two patients with 3 hips died. No patient was lost to follow-up. No implant had to be revised, and no cases showed evidence of radiographic l... Hip International journals http://www.medworm.com/rss/comments.php?id=3687425 Thu, 17 Jun 2010 23:00:00 +0100 3687425 http://www.medworm.com/index.php?rid=3666574&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D20544647%26dopt%3DAbstract Authors: Dua A, Kiran K, Malhotra R, Bhan S The success of total hip arthroplasty has led to a move toward operating on a wider and younger population. All implants have a finite useful life, and bone loss is associated with all major causes of failure. The use bone allograft, either morselized or structural has the aim of reconstituting the bone stock. We retrospectively reviewed the clinical and radiological results of 72 acetabular reconstructions both primary and revision, done at our institute between May 1999 and October 2004 with a minimum follow-up of one year. The Harris Hip Score (HHS) was calculated and follow-up radiographs were evaluated for graft incorporation; evidence of loosening and migration. Preoperatively 28 acetabular defects were type III (AAOS), 18 were type II,... Hip International journals http://www.medworm.com/rss/comments.php?id=3666574 Thu, 10 Jun 2010 23:00:00 +0100 3666574 http://www.medworm.com/index.php?rid=3666556&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D20544665%26dopt%3DAbstract Authors: Guerra Pinto F, Dantas P, Moreira R, Mamede R, Amaral LB Intertrochanteric fracture is the most frequent type of fracture in the proximal femur and the compressive hip screw is one of the most popular methods of treatment. The reduction criteria for this type of fracture are ill-defined. The purpose of this study was to validate 3 reduction criteria: displacement, alignment in the anteroposterior and in the lateral plane. We reviewed a cohort of 430 intertrochanteric fractures treated with a compression hip screw. The type of fracture, quality of reduction and technical complications were noted. We observed a relationship between accuracy of reduction and the incidence of complications, even among fractures of the same severity. A displacement bigger than 4mm and failure to ac... Hip International journals http://www.medworm.com/rss/comments.php?id=3666556 Thu, 10 Jun 2010 23:00:00 +0100 3666556 http://www.medworm.com/index.php?rid=3666577&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D20544644%26dopt%3DAbstract This study evaluates the survival of total hip arthroplasties (THA) in 32 patients with inflammatory hip disease who were under the age of 35 at the index operation and on which 57 primary total hip arthroplasties were performed between 1989 and 2001. Polished straight tapered cemented stems were used in all 57 hips. There were 10 cemented and 47 uncemented cups. The average follow-up was 12.2 years (range 7-19). Forty-seven hips had more than 10 years follow-up. There were 3 revisions of cemented metal-backed cups for aseptic loosening at 11, 13 and 16 years post-operatively. No uncemented cups and no stems needed revision. Heterotopic ossifications occured in 3 hips with Brooker type-I ossification in 1 hip and Brooker type-II in 2 hips. Cemented polished tapered straight stems demonstra... Hip International journals http://www.medworm.com/rss/comments.php?id=3666577 Tue, 08 Jun 2010 23:00:00 +0100 3666577 http://www.medworm.com/index.php?rid=3666571&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D20544650%26dopt%3DAbstract Authors: Davis ET, Heaver CE, Pynsent PB, Pearson AM, Treacy RB The survivorship of the polished, double taper Exeter stem (Stryker, Mahwah, New Jersey) is related to subsidence within the cement mantle. Long Exeter stems have altered geometry which may influence subsidence characteristics. Using digitised x-rays and appropriate computer software we measured the subsidence of 35 standard and 40 long stem Exeter implants. Measurements were taken from initial postoperative radiographs and repeated at intervals up to 5 years. Long stem implants were used in cemented revisions without the use of impaction bone grafting. Subsidence rates of the standard length stems in our study were comparable to that in published literature. Long stems did not replicate this subsidence pattern and had sub... Hip International journals http://www.medworm.com/rss/comments.php?id=3666571 Tue, 08 Jun 2010 23:00:00 +0100 3666571 http://www.medworm.com/index.php?rid=3666578&cid=s_37838_31_f&fid=37838&url=http%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fentrez%2Fquery.fcgi%3Ftmpl%3DNoSidebarfile%26db%3DPubMed%26cmd%3DRetrieve%26list_uids%3D20544643%26dopt%3DAbstract We report a retrospective study on 122 THA using Duraloc "1200 series" cups. All patients received a 28-mm head (107 Al2O3, 15 CoCr). The mean age of the patients at surgery was 56.3 years and the mean follow-up was 137 months.Mean migration at two years using the EBRA method was 0.18 mm cranially and 0.16 mm medially. Mean polyethylene wear was 0.03 mm/year using the Imagika software and 0.06 mm/year using EBRA. Only one patient presented with abnormal polyethylene wear of 1.7 mm at 90 months with Imagika and 2.4 mm with EBRA. The Duraloc cup seems to be a reliable implant in respect of bone fixation and resistance to wear. PMID: 20544643 [PubMed - as supplied by publisher] (Source: Hip International) Hip International journals http://www.medworm.com/rss/comments.php?id=3666578 Sun, 06 Jun 2010 23:00:00 +0100 3666578