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86 records returned

Unusual inferior dislocation of shoulder: reduction by two-step maneuver: a case reportEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We present an unusual case of recurrent luxatio erecta in which the arm transformed later into an adducted position resembling the more common anterior shoulder dislocation. Such a case has not been described before in English literature. Closed reduction by the two-step maneuver was successful with a single attempt. MRI revealed posterior labral tear and a Hill Sachs variant lesion on the superolateral aspect of humeral head. Immobilisation in a chest-arm bandage followed by physiotherapy yielded excellent results. The case is first of its kind; the unusual mechanism, unique radiological findings and alternate method of t...
Source: Journal of Orthopaedic Surgery and Research - November 3, 2009 Category: Orthopaedics Authors: Saseendar SDinesh AgarwalDilip PatroJagdish Menon Source Type: journals

Mid-term results and factors affecting outcome of a metal-backed unicompartmental knee design: a case seriesEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The objective of this study is to report the mid-term results and examine predictors of failure in a metal-backed unicompartmental knee arthroplasty design. Methods: At a mean follow-up of 60 months, 80 medial unicompartmental knee arthroplasties (68 patients) were evaluated. Implant survivorship was analyzed using Kaplan-Meier method. The Knee Society objective and functional scores and radiographic characteristics were compared before surgery and at final follow-up. A Cox proportional hazard model was used to examine the association of patient's age, gender, obesity (body mass index > 30 kg/m2), diagnosis, Knee Society s...
Source: Journal of Orthopaedic Surgery and Research - October 26, 2009 Category: Orthopaedics Authors: Thorsten SeylerMichael MontLawrence LaiJipan XieDavid MarkerMichael ZywielPeter Bonutti Source Type: journals

Improving accuracy of total knee component cementation: description of a simple techniqueEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusion: The presented technical note helps to improve the accuracy and ease of insertion when the components of total knee arthroplasty are impacted to their final position. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - October 8, 2009 Category: Orthopaedics Authors: William LutesMichael FlierlMichael DaytonSteven Morgan Source Type: journals

Correlation and comparison of Risser sign versus bone age determination (TW3) between children with and without scoliosis in Korean population.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Background: Most studies comparing the Risser staging for skeletal maturity are representing the American or European standards which are not always applicable to Asian population who have relatively less height and body mass. There is no article available that compares the Risser sign and bone age correlation between patients with idiopathic scoliosis and patients without scoliosis.Material and Methods: To analyze and compare the skeletal age with the Risser sign between scoliosis and non-scoliosis group, a cross-sectional study was done in 418 scoliosis (untreated, bracing or surgically) and 256 non-scoliosis children of...
Source: Journal of Orthopaedic Surgery and Research - September 19, 2009 Category: Orthopaedics Authors: Hitesh ModiChetna ModiSeung-Woo SuhJae-Hyuk YangJae-Young Hong Source Type: journals

Botulinum toxin type A injections for the management of muscle tightness following total hip arthroplasty: a case seriesEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusions: Botulinum toxin A injections combined with intensive physical therapy may be considered as a potential treatment modality, especially in difficult cases of muscle tightness that are refractory to standard therapy. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - August 25, 2009 Category: Orthopaedics Authors: Anil BhaveMichael ZywielSlif UlrichMike McGrathThorsten SeylerDavid MarkerRonald DelanoisMichael Mont Source Type: journals

Occupationally related bilateral calcific tendonitis of flexor carpi ulnaris: case reportEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We present a case of bilateral Flexor Carpi Ulnaris Calcific tendonitis secondary to repetitive wrist action which may be occupationally related. This was treated conservatively with avoidance of aggravating movement, resting splints and anti inflammatory medication when acute flare ups occurred. Since avoidance of repetitive strain on the wrists he has had no further flare ups in over 2years. This is the only case of bilateral calcific tendonitis of Flexor Carpi Ulnaris that has been reported in the literature, further more it is the only one which has may be attributed to occupation and settled following a change of care...
Source: Journal of Orthopaedic Surgery and Research - August 22, 2009 Category: Orthopaedics Authors: Mark EdmondsonAndrew Skyrme Source Type: journals

Establishment of an animal model of a pasteurized bone graft, with a preliminary analysis of muscle coverage or FGF-2 administration to the graftEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusions: In conclusion, we have established an animal pasteurized bone graft model in rats. Pasteurized bone was able to maintain bone induction ability. Despite the low number of cases in each group, the results of each group suggest that muscle-covering has an effect on bone incorporation, but that it is not able to prevent bone absorption to the pasteurized bone. However, an application of FGF-2 may have a positive effect on bone incorporation and may be able to prevent bone absorption of the graft in cases of pasteurized bone graft. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - August 3, 2009 Category: Orthopaedics Authors: Tatsuya YoshidaAkio SakamotoNobuaki TsukamotoKoichi NakayamaYukihide Iwamoto Source Type: journals

Superior dislocation of the patella: a case reportEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We report the case of a patient in whom vertical dislocation recurred twice at 4 months after tibial valgus osteotomy. To avert additional recurrence or new dislocations, the patient was treated surgically to remove the existing osteophytes. An arthroscopic approach was decided because of the lower associated morbidity and good results with this technique compared to open surgery. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - July 29, 2009 Category: Orthopaedics Authors: Xavier CuscoRoberto SeijasOscar AresJose CugatMontserrat Garcia-BalletboRamon Cugat Source Type: journals

Expression of bone morphogenetic protein-2 in the chondrogenic and ossifying sites of calcific tendinopathy and traumatic tendon injury rat modelsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusions: Ectopic expression of BMP-2 might induce tissue transformation into ectopic bone/cartilage and promoted structural degeneration in calcific tendinopathy. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - July 20, 2009 Category: Orthopaedics Authors: Pauline Po Yee LuiLai Shan ChanYau Chuk CheukYuk Wa LeeKai Ming Chan Source Type: journals

Can medio-lateral baseplate position and load sharing induce asymptomatic local bone resorption of the proximal tibia? A finite element studyEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusions: Local bone resorption of the proximal tibia can occur after TKA and might be attributed to a stress shielding effect. This FE study shows that the medial periprosthetic region of the tibia is more sensitive than the lateral region to mediolateral positioning of the baseplate. Medial cortical support of the tibial baseplate is important for normal stress transfer to the underlying bone. The absence of medial cortical support of the tibial baseplate may lead to local bone resorption at the proximal tibia, as a result of the stress shielding effect. The presence of a complete layer of cement can reduce stress shi...
Source: Journal of Orthopaedic Surgery and Research - July 16, 2009 Category: Orthopaedics Authors: Bernardo InnocentiEvelyn TruyensLuc LabeyPius WongJan VictorJohan Bellemans Source Type: journals

Biomechanical testing of a polymer-based biomaterial for the restoration of spinal stability after nucleotomyEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Background: Surgery for disc herniations can be complicated by two major problems: painful degeneration of the spinal segment and re-herniation. Therefore, we examined an absorbable poly-glycolic acid (PGA) biomaterial, which was lyophilized with hyaluronic acid (HA), for its utility to (a) re-establish spinal stability and to (b) seal annulus fibrosus defects. The biomechanical properties range of motion (ROM), neutral zone (NZ) and a potential annulus sealing capacity were investigated. Methods: Seven bovine, lumbar spinal units were tested in vitro for ROM and NZ in three consecutive stages: (a) intact, (b) following nu...
Source: Journal of Orthopaedic Surgery and Research - July 14, 2009 Category: Orthopaedics Authors: Aldemar HegewaldSven KnechtDaniel BaumgartnerHans GerberMichaela EndresChristian KapsEdgar StussiClaudius Thome Source Type: journals

Salter-Harris II injury of the proximal tibial epiphysis with both vascular compromise and compartment syndrome: a case reportEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
We present a case of a Salter-Harris II injury to the proximal tibia associated with both vascular compromise and compartment syndrome. The potential complications of this injury are limb threatening and the neurovasular status of the limb should be continually monitored. Maintaining anatomic reduction is difficult and fixation may be needed to achieve optimal results. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - June 28, 2009 Category: Orthopaedics Authors: Nicholas ClementAnukul Goswami Source Type: journals

Percutaneous endoscopic lumbar discectomy: clinical and quality of life outcomes with a minimum 2 year follow-upEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Background: Percutaneous endoscopic lumbar discectomy is a relatively new technique. Very few studies have reported the clinical outcome of percutaneous endoscopic discectomy in terms of quality of life and return to work.Method55 patients with percutaneous endoscopic lumbar discectomy done from 2002 to 2006 had their clinical outcomes reviewed in terms of the North American Spine Score (NASS), Medical Outcomes Study Short Form-36 scores (SF-36) and Pain Visual Analogue Scale (VAS) and return to work. Results: The mean age was 35.6 years, the mean operative time was 55.8 minutes and the mean length of follow-up was 3.4 yea...
Source: Journal of Orthopaedic Surgery and Research - June 24, 2009 Category: Orthopaedics Authors: Chan PengWilliam YeoSeang Tan Source Type: journals

Vascular endothelial growth factor regulates osteoblast survival - evidence for an autocrine feedback mechanismEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusions VEGF is a potent regulator of osteoblast life-span in vitro. This autocrine feedback regulates survival of these cells, mediated via a non flt-1 receptor mechanism and expression of BCl2 antiapoptotic gene. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - June 16, 2009 Category: Orthopaedics Authors: John StreetBrian Lenehan Source Type: journals

Interleukin-6 as an early marker for Fat EmbolismEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusion: Serum IL-6 is a possible early marker of fat embolism. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - June 13, 2009 Category: Orthopaedics Authors: Yoga RajJean TheisMark WaltonWayne Sutherland Source Type: journals

The effect of newer anti-rheumatic drugs on osteogenic cell proliferation : an in-vitro study.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Background: Disease modifying anti-rheumatic drugs (DMARDs) may interfere with bone healing. Previous studies give conflicting advice regarding discontinuation of these drugs in the peri-operative setting. No consensus exists in current practice especially with the newer DMARDs such as Leflunomide, Etanercept, and Infliximab. The aim of this study was to assess the in-vitro effect of these drugs alone and in relevant clinical combinations on Osteoblast activity. Methods: Osteoblasts were cultured from femoral heads obtained from five young otherwise healthy patients undergoing total hip replacement. The cells were cultured...
Source: Journal of Orthopaedic Surgery and Research - May 26, 2009 Category: Orthopaedics Authors: Ajay MalviyaJan KuiperNilesh MakwanaPatrick LaingBrian Ashton Source Type: journals

Comparison of migration behavior between single and dual lag screw implants for intertrochanteric fracture fixationEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusion: The single and double lag screw implants demonstrated a significantly different migration resistance in surrogate specimens under gait loading simulation with the HIPS model. In this model, the double screw construct provided significantly greater resistance against varus collapse and neck rotation in comparison to a standard DHS lag screw implant. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - May 18, 2009 Category: Orthopaedics Authors: George K Kouvidis, Mark B Sommers, Peter V Giannoudis, Pavlos G Katonis and Michael Bottlang Source Type: journals

Varus distal femoral osteotomy in young adults with valgus kneeEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
This study was done on 23 knees (16 patients) age 23.3 years (range, 17 to 41 years). The mean duration of following up was 16.3 months (range, 8 to 25 months). Based on paired T test, there were statistically significant difference between pre- and postoperative tibiofemoral and congruence angles (p (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - May 13, 2009 Category: Orthopaedics Authors: Farzad Omidi-Kashani, Ibrahim G Hasankhani, Mahdi Mazlumi and Mohammad H Ebrahimzadeh Source Type: journals

Evaluation of microfracture of traumatic chondral injuries to the knee in professional football and rugby players.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusion: We confirmed that microfracture is a safe and effective procedure in treating isolated traumatic chondral lesions of the load-bearing areas of the knee. Healing as defined by subjective symptoms and evaluated by MRI and a modified knee function score occurred between 5 to 7 months in most cases, which is a reasonable absence for the majority of players to resume their normal sports activity without risking contracts and careers. MRI correlated well with the functional knee score, but neither of these methods was totally reliable in confirming healing at the defect site. Arthroscopic probing is therefore still t...
Source: Journal of Orthopaedic Surgery and Research - May 7, 2009 Category: Orthopaedics Authors: Masoud Riyami and Christer Rolf Source Type: journals

Prophylaxis of heterotopic ossification – an updated reviewEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Heterotopic ossification (HO) is defined as the process by which trabecular bone forms outside of the skeletal structure, occupying space in soft tissue where it does not normally exist. The current popular prophylactic treatment modalities include non-steroidal anti-inflammatory drugs (NSAIDs) and radiation therapy, although the literature remains inconclusive as to which is superior. Additionally, both treatments can lead to adverse effects to the patient. Recently there have been several studies attempting to identify new aspects of the etiology of heterotopic bone formation and introduce new prophylactic modalities wit...
Source: Journal of Orthopaedic Surgery and Research - April 20, 2009 Category: Orthopaedics Authors: Evan O Baird and Qian K Kang Source Type: journals

Fatigue strength of common tibial intramedullary nail distal locking screwsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusions: Our results show that selecting the system that uses the largest distal locking screws would offer the best fatigue resistance for an unstable fracture pattern subjected to full weight bearing. Furthermore, using multiple screws will substantially reduce the risk of premature hardware failure. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - April 16, 2009 Category: Orthopaedics Authors: Lanny V. Griffin, Robert M Harris and Joseph J Zubak Source Type: journals

In vivo evaluation of a vibration analysis technique for the per-operative monitoring of the fixation of hip prosthesesEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusions: The frequency response function change provides reliable information regarding the stability evolution of the stem-femur system during the insertion. The protocol described in this paper can be used to accurately detect the insertion end point and to reduce the risk for intra-operative fracture. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - April 9, 2009 Category: Orthopaedics Authors: Leonard C Pastrav, Siegfried VN Jaecques, Ilse Jonkers, Georges Van der Perre and Michiel Mulier Source Type: journals

Effects of Hip Joint Position and Intra-capsular Volume on Hip Joint Intra-capsular Pressure: a Human Cadaveric ModelEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Background: Increase in hip intra-capsular pressure has been implicated in various hip pathologies, such as avascular necrosis complicating undisplaced femoral neck fracture. Our study aimed at documenting the relationship between intra-capsular volume and pressure in various hip positions. Methods: Fifty-two cadaveric hips were studied. An electronic pressure-monitoring catheter recorded the intra-capsular hip pressure after each instillation of 2ml of normal saline and in six hip positions. Results: In neutral hip position, the control position for investigation, intra-capsular pressure remained unchanged when its cont...
Source: Journal of Orthopaedic Surgery and Research - April 2, 2009 Category: Orthopaedics Authors: Chi-Hung Yen, Hon-Bong Leung and Paul YUN-TIN Tse Source Type: journals

Passage and concentration-dependent effects of Indomethacin on tendon derived cellsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusion: These results suggest that firstly, care must be taken when deciding on methodology used to investigate tendon-derived cells as these cells have a quite different metabolism to other mesenchymal derive cells. Secondly, Indomethacin can inhibit the proliferation of primary tendon derived cells and that secondary subculture selects for a population of cells that is unresponsive to this drug. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - April 2, 2009 Category: Orthopaedics Authors: Emad Mallick, Nanette Scutt, Andy Scutt and Christer Rolf Source Type: journals

Function of anterior talofibular and calcaneofibular ligaments during in-vivo motion of the ankle joint complexEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusions: The results showed that the ATFL elongates more during plantarflexion and supination whereas the CFL increases in length with dorsiflexion and pronation. Concurrently, these data also demonstrated the reciprocal function between the two ligaments. While one shortens, the other one elongates. The different elongation of the ATFL and CFL during the same motion arc suggests that under excessive loading conditions the ATFL might be more vulnerable in plantarflexion and supination while the CFL might be more susceptible to injury in dorsiflexion and pronation. Furthermore, in the case of surgical reconstruction the...
Source: Journal of Orthopaedic Surgery and Research - March 16, 2009 Category: Orthopaedics Authors: Richard J de Asla, Michal Kozanek, Lu Wan, Harry E Rubash and Guoan Li Source Type: journals

Biocompatibility of Poly-ε-caprolactone-hydroxyapatite composite on mouse bone marrow-derived osteoblasts and endothelial cellsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusion: Supplement of HA into PCL improved biocompatible for bone marrow-derived osteoblasts and endothelial cells. The PCL-HA composite integrating with two types of cells may provide a useful system for tissue-engineered bone grafts with vascularization. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - February 26, 2009 Category: Orthopaedics Authors: Haiying Yu, Paul H Wooley and Shang-You Yang Source Type: journals

The mangled extremity and attempt for limb salvageEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusion: The functional outcome should be considered realistically before a salvage decision making for extremities with indeterminate prognosis. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - February 13, 2009 Category: Orthopaedics Authors: Anastasios V. Korompilias, Alexandros E. Beris, Marios G. Lykissas, Marios D. Vekris, Vasileios A. Kontogeorgakos and Panayiotis N. Soucacos Source Type: journals

Evaluation of Deformity and Hand Function in Cerebral Palsy PatientsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusion: The degree of deformity, spasticity, sensory deficit, and motor control affected the hand function of a cerebral palsy patient significantly. The MAULF and FHGT more accurately represented hand function deficit in cerebral palsy patients. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - December 23, 2008 Category: Orthopaedics Authors: Karlen Ka Pui Law, Ellen Y. Lee, Boris Kwok Keung Fung, Lam Shuk Yan, Paata Gudushauri, Kwan Wing Wang, Josephine Wing Yuk Ip and Shew Ping Chow Source Type: journals

Effect of combined treatment with alendronate and calcitriol on femoral neck strength in osteopenic ratsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusions: Our results showed that the combined treatment with alendronate and calcitriol significantly improved bone fragility of the femoral neck in OVX osteopenic rats. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - December 17, 2008 Category: Orthopaedics Authors: Yoshinari Nakamura, Masatoshi Naito, Kazuo Hayashi, Abbas Fotovati and Samah Abu-Ali Source Type: journals

Modular endoprosthetic replacement for metastatic tumours of the proximal femurEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusion: We conclude that METS modular tumour prosthesis for proximal femur provides versatility, low implant related complications and acceptable function lasting the lifetime of the patients with metastatic tumours of the proximal femur. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - November 4, 2008 Category: Orthopaedics Authors: Coonoor R Chandrasekar, Robert J Grimer, Simon R Carter, Roger M Tillman and Adesegun T Abudu Source Type: journals

The accuracy of MRI in the Detection of Lumbar Disc ContainmentEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusion: MRI may be inaccurate in assessing containment status of lumbar disc herniations in 30% of cases. Given the importance of containment for patient selection for indirect discectomy techniques and intradiscal therapies, coupled with prognostic significance; other methods to assess containment should be employed to assess containment when such alternative interventions are being considered. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - October 2, 2008 Category: Orthopaedics Authors: Bradley K Weiner and Rikin Patel Source Type: journals

The effects of thermal capsulorrhaphy of medial parapatellar capsule on patellar lateral displacementEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusions: No immediate difference was found after thermal shrinkage of the medial parapatellar capsule. Open surgery immediately improved of the lateral stiffness of the knee capsule. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - September 30, 2008 Category: Orthopaedics Authors: Naiquan Zheng, Brent R Davis and James R Andrews Source Type: journals

Assessment of the primary rotational stability of uncemented hip stems using an analytical model: comparison with finite element analysesEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusions: Based on the results of this study, the analytical model might be useful as a comparative tool for the assessment of the primary stability of cementless hip stems. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - September 25, 2008 Category: Orthopaedics Authors: Maria E Zeman, Nicolas Sauwen, Luc Labey, Michiel Mulier, Georges Van der Perre and Siegfried VN Jaecques Source Type: journals

Arthroscopic debridement of the osteoarthritic knee combined with hyaluronic acid (Orthovisc) treatment: a case series and review of the literature.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusion: The results show that concomitant delivery of high molecular weight hyaluronan (Orthovisc - 6ml/90mg) is safe when given at the time of arthroscopic debridement of the osteoarthritic knee. By delivering HA (Orthovisc) at the time of the arthroscopic debridement, there may be a decreased risk of joint infection and/or injection site pain. Furthermore, the combination of both procedures show efficacy in reducing WOMAC pain scores and improving SF-36 PCS scores over a six month period. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - September 17, 2008 Category: Orthopaedics Authors: Xinning Li, Agam Shah, Patricia Franklin, Renee Merolli, Jill Bradley and Brian Busconi Source Type: journals

Incidence of hip replacement among national health insurance enrollees in TaiwanEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusion: Avascular necrosis is the main disease in total hip replacement in Taiwan. The epidemiology of hip diseases was different between Han Chinese (in Taiwan) and Caucasian and the number of hip replacements increased substantially in Taiwan between 1996 and 2004. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - September 15, 2008 Category: Orthopaedics Authors: Yu-Shu Lai, Hung-Wen Wei and Cheng-Kung Cheng Source Type: journals

SPECT/CT-plethysmography – non-invasive quantitation of bone and soft tissue blood flowEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Preserved blood flow to bone and soft tissue is essential for their normal function. To date only numerous methods are suitable for direct bone blood flow (BBF) measurement. Here, we introduce a novel quantitative method for bone and soft tissue blood flow (BBF and SBF, respectively) measurement. It involves a combination of SPECT/CT imaging for blood pool localization in a specific region of interest ("soft" and "hard" tissues composing a limb) with veno-occlusive plethysmography. Using it, we measured BBF and SBF in the four limbs of 10 healthy subjects. At steady state blood flow measurements in the four limbs were simi...
Source: Journal of Orthopaedic Surgery and Research - August 18, 2008 Category: Orthopaedics Authors: Lior Dayan, Zohar Keidar, Ora Israel, Victor Milloul, Johnathan Sachs and Giris Jacob Source Type: journals

SPECT/CT-Plethysmography - Non-Invasive Quantitation of Bone and Soft Tissue Blood FlowEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Preserved blood flow to bone and soft tissue is essential for their normal function. To date only numerous methods are suitable for direct bone blood flow (BBF) measurement. Here, we introduce a novel quantitative method for bone and soft tissue blood flow (BBF and SBF, respectively) measurement. It involves a combination of SPECT/CT imaging for blood pool localization in a specific region of interest ("soft" and "hard" tissues composing a limb) with veno-occlusive plethysmography. Using it, we measured BBF and SBF in the four limbs of 10 healthy subjects. At steady state blood flow measurements in the four limbs were sim...
Source: Journal of Orthopaedic Surgery and Research - August 18, 2008 Category: Orthopaedics Authors: Lior Dayan, Zohar Keidar, Ora Israel, Victor Milloul, Johnathan Sacks and Giris Jacob Source Type: journals

Tissue specific characteristics of cells isolated from human and rat tendons and ligamentsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusions: These data show that tendon & ligament cells from different sources possess intrinsic differences in terms of their growth, glucocorticoid responsiveness and cell surface marker expression. This suggests that for tissue engineering purposes the cell source must be carefully considered to maximise their efficacy. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - July 24, 2008 Category: Orthopaedics Authors: Nanette E Scutt, Christer G Rolf and Andy Scutt Source Type: journals

Undetected iatrogenic lesions of the anterior femoral shaft during intramedullary nailing. A Cadaveric Study.Email this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusions: Longitudinal splitting in the anterior cortex during intramedullary nailing of the femur cannot be detected radiographically. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - July 17, 2008 Category: Orthopaedics Authors: Stamatios A Papadakis, Charalampos Zalavras, Raffy Mirzyan and Lane Shepherd Source Type: journals

Study of the collagen structure in the superficial zone and physiological state of articular cartilage using a 3D confocal imaging techniqueEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusion: a 3D histology has been developed to supplement the traditional histology and study the subtle changes in the collagen network in the superficial zone during early physiological alteration of articular cartilage. The fibre confocal imaging technology used in this study has allowed developing confocal arthroscopy for in vivo studying the chondrocytes in different depth of articular cartilage. Therefore, the current study has potential to develop an in vivo 3D histology for diagnosis of early osteoarthritis. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - July 17, 2008 Category: Orthopaedics Authors: Jian P Wu, Thomas B Kirk and Ming H Zheng Source Type: journals

Treatment of neuromuscular scoliosis with posterior-only pedicle screw fixationEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusion: Results indicate that in patients with neuromuscular scoliosis, acceptable amounts of curve correction can be achieved and maintained with posterior-only pedicle screw instrumentation without anterior release procedure. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - June 10, 2008 Category: Orthopaedics Authors: Hitesh N Modi, Seung-Woo Suh, Hae-Ryong Song, Harry M Fernandez and Jae-Hyuk Yang Source Type: journals

Treatment of neuromuscular scoliosis with posterior- only pedicle screw fixationEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Background: To determine whether posterior-only approach using pedicle screws in neuromuscular scoliosis population adequately addresses the correction of scoliosis and maintains the correction over time. Methods: Between 2003 and 2006, 26 consecutive patients (7cerebral palsy, 10Duchenne muscular dystrophy, 5spinal muscular atrophy and 4others) with neuromuscular scoliosis underwent posterior pedicle screw fixation for the deformity. Preoperative, immediate postoperative and final follow-up Cobb's angle and pelvic obliquity were analyzed on radiographs. The average age of the patients was 17.5 years (range, 8-44 years) a...
Source: Journal of Orthopaedic Surgery and Research - June 10, 2008 Category: Orthopaedics Authors: Hitesh N Modi, Seung-Woo Suh, Hae-Ryong Song, Harry M Fernandez and Jae-Hyuk Yang Source Type: journals

The occurrence of osteoarthritis at a minimum of ten years after reconstruction of the anterior cruciate ligamentEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The objective of this study was to evaluate the incidence of radiographic osteoarthritis in the operated knee compared with the contralateral knee ten years after a bone-tendon bone patellar autograft ACL-reconstruction and to evaluate to which level patients regain activity ten years after reconstruction. Methods: Fifty-three patients with ACL instability were operated arthroscopically using the central third of the patellar tendon as a bone-tendon-bone autograft. At a minimum of 10 year follow up 28/44 patients matched the inclusion criteria and could be reached for follow-up. Evaluation included a patient satisfaction e...
Source: Journal of Orthopaedic Surgery and Research - June 10, 2008 Category: Orthopaedics Authors: Cor P. van der Hart, Michel P. J. van den Bekerom and Thomas W. Patt Source Type: journals

Passive mechanical features of single fibers from human muscle biopsies - effects of storageEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusions: We conclude that muscle fibre structure and mechanics are relatively insensitive to the storage procedures used and that the different preparations are interchangeable without affecting passive mechanical properties. This provides a mobility of the method when harvesting muscle biopsies away from the laboratory. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - June 7, 2008 Category: Orthopaedics Authors: Fredrik Einarsson, Eva Runesson and Jan Friden Source Type: journals

Multiple functions of the von Willebrand Factor A domain in Matrilins: secretion, assembly, and proteolysisEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
The von Willebrand Factor A (vWF A) domain is one of the most widely distributed structural modules in cell-matrix adhesive molecules such as intergrins and extracellular matrix proteins. Mutations in the vWF A domain of matrilin-3 cause multiple epiphyseal dysplasia (MED), however the pathological mechanism remains to be determined. Previously we showed that the vWF A domain in matrilin-1 mediates formation of a filamentous matrix network through metal-ion dependent adhesion sites in the domain (Chen et al, Mol. Biol. Cell, 10:2149-2162, 1999). Here we show new functions of the vWF A domain in cartilage-specific matrilins...
Source: Journal of Orthopaedic Surgery and Research - June 2, 2008 Category: Orthopaedics Authors: Yue Zhang, Zheng-ke Wang, Jun-ming Luo, Katsuaki Kanbe and Qian Chen Source Type: journals

Effects of low intensity pulsed ultrasound with and without increased cortical porosity on structural bone allograft incorporationEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Background: Though used for over a century, structural bone allografts suffer from a high rate of mechanical failure due to limited graft revitalization even after extended periods in vivo. Novel strategies that aim to improve graft incorporation are lacking but necessary to improve the long-term clinical outcome of patients receiving bone allografts. The current study evaluated the effect of low-intensity pulsed ultrasound (LIPUS), a potent exogenous biophysical stimulus used clinically to accelerate the course of fresh fracture healing, and longitudinal allograft perforations (LAP) as non-invasive therapies to improve re...
Source: Journal of Orthopaedic Surgery and Research - May 27, 2008 Category: Orthopaedics Authors: Brandon G Santoni, Nicole P Ehrhart, Anthony S Turner and Donna L Wheeler Source Type: journals

Clinical examination, MRI and arthroscopy in meniscal and ligamentous knee Injuries - a prospective studyEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
In this study, specificity, positive and negative predictive values were more favourable for clinical examination though MRI was more sensitive for meniscal injuries. The use of MRI as a supplemental tool in the management of meniscal and ligament injuries should be highly individualised by an experienced surgeon. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - May 19, 2008 Category: Orthopaedics Authors: Thayur R Madhusudhan, Thirumoolanathan M Kumar, Salah S Bastawrous and Amit Sinha Source Type: journals

The role of tendon microcirculation in Achilles and patellar tendinopathyEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Tendinopathy is of distinct interest as it describes a painful tendon disease with local tenderness, swelling and pain associated with sonographic features such as hypoechogenic texture and diameter enlargement. Recent research elucidated microcirculatory changes in tendinopathy using laser Doppler flowmetry and spectrophotometry such as at the Achilles tendon, the patellar tendon as well as at the elbow and the wrist level. Tendon capillary blood flow is increased at the point of pain. Tendon oxygen saturation as well as tendon postcapillary venous filling pressures, determined non-invasively using combined Laser Doppler ...
Source: Journal of Orthopaedic Surgery and Research - April 30, 2008 Category: Orthopaedics Authors: Karsten Knobloch Source Type: journals

Extensor-tendons reconstruction using autogenous palmaris longus tendon grafting for rheumatoid arthritis patientsEmail this article to a colleague. Save this article to My Clippings. Discuss or comment on this article.
Conclusions: Reconstruction for multiple tendon ruptures is a salvage procedure that is often associated with extensor lag and impairment of overall function. Early aggressive treatment of extensor tendon reconstruction using autogenous palmaris longus tendon as a free interposition graft in the rheumatoid wrist is another viable option to achieve good clinical functional result. (Source: Journal of Orthopaedic Surgery and Research)
Source: Journal of Orthopaedic Surgery and Research - April 24, 2008 Category: Orthopaedics Authors: Po-Jung Chu, Hung-Maan Lee, Yao-Tung Hou, Sheng-Tsai Hung, Jung-Kuei Chen and Jui-Tien Shih Source Type: journals