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 'BMC Medical Physics' source. Sat, 10 Oct 2009 19:28:51 +0100 http://www.medworm.com/index.php?rid=2505604&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F9%2F6 Conclusion: Differences in radio-sensitivities of chromosomes have implications in genetic damage, chromosome organization, and chromosome function. Designing research experiments based on our vital findings may bring benefit to radiation-induced risk assessment, therapeutics and development of chromosome specific biomarkers. (Source: BMC Medical Physics) BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=2505604 Mon, 15 Jun 2009 23:00:00 +0100 2505604 http://www.medworm.com/index.php?rid=2397330&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F9%2F5 Conclusions: Late gadolinium enhancement is common and is associated with poor long-term survival in light chain amyloidosis, even after adjustment for heart failure class presentation. The prognostic significance of late gadolinium enhancement in this disease may be useful in patient risk-stratification. (Source: BMC Medical Physics) BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=2397330 Tue, 05 May 2009 04:00:00 +0100 2397330 http://www.medworm.com/index.php?rid=2328713&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F9%2F4 Conclusion: We found no statistically significant overall bias in Ktrans or ve estimates derived from Avg-AIF, generated from a limited population, as compared with Ind-AIFs. However, further study is needed to determine whether calibration is needed across the range of Ktrans. The Avg-AIF obtained from a limited population may be used for pharmacokinetic modeling of DCE-MRI data in larger population studies with neck nodal metastases. Further validation of the Avg-AIF approach with a larger population and in multiple regions is desirable. (Source: BMC Medical Physics) BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=2328713 Tue, 07 Apr 2009 04:00:00 +0100 2328713 http://www.medworm.com/index.php?rid=2328714&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F9%2F3 This study was done to validate bone turnover markers using total skeletal uptake (TSU) of 99mTc-MDP. Methods: 22 postmenopausal women (52-80 years) volunteered to participate. Scintigraphy was performed by injecting 520 MBq of 99mTc-MDP and taking whole body images after 3 minutes, and 5 hours. TSU was calculated from these two images by taking into account the urinary loss and soft tissue uptake. Bone turnover markers used were bone specific alkaline phosphatase (S-Bone ALP), three different assays for serum osteocalcin (OC), tartrate resistant acid phosphatase 5b (S-TRACP5b), serum C-terminal cross-linked telopeptides of type I collagen (S-CTX-I) and three assays for urinary osteocalcin (U-OC). Results: The median TSU of 99mTc-MDP was 23 % of the administered activity. All bone turnov... BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=2328714 Mon, 30 Mar 2009 04:00:00 +0100 2328714 http://www.medworm.com/index.php?rid=2207115&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F9%2F2 Conclusion: The results of the study show that software calculation of MBF and CFR with 82Rb myocardial PET imaging is highly repeatable for global values and has good repeatability for regional values. (Source: BMC Medical Physics) BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=2207115 Thu, 29 Jan 2009 05:00:00 +0100 2207115 http://www.medworm.com/index.php?rid=2142135&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F9%2F2 Conclusions: The results of the study show that software calculation of MBF and CFR with Rb-82 myocardial PET imaging is highly repeatable for global values and has good repeatability for regional values. (Source: BMC Medical Physics) BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=2142135 Thu, 29 Jan 2009 05:00:00 +0100 2142135 http://www.medworm.com/index.php?rid=2087691&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F9%2F1 Conclusions: These results indicate that combining chemotherapeutic cancer treatment with TTFields may increase chemotherapeutic efficacy and sensitivity without increasing treatment related toxicity. (Source: BMC Medical Physics) BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=2087691 Thu, 08 Jan 2009 05:00:00 +0100 2087691 http://www.medworm.com/index.php?rid=2022309&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F8%2F6 Conclusions: The 133Ba point source method measures the multiple window spatial registration error with essentially the same accuracy as the NEMA-recommended procedure, but is easier and safer to use and has the potential to replace the current standard procedure. (Source: BMC Medical Physics) BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=2022309 Tue, 09 Dec 2008 05:00:00 +0100 2022309 http://www.medworm.com/index.php?rid=2007394&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F8%2F5 Conclusions: Treatment planning with inhomogeneous dose distributions in the target volume required smaller margins for compensation of breathing induced target motion with the consequence of lower doses to the surrounding organs-at-risk. (Source: BMC Medical Physics) BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=2007394 Wed, 03 Dec 2008 05:00:00 +0100 2007394 http://www.medworm.com/index.php?rid=1934831&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1471-2458%2F8%2F381 The objective of this survey was to assess vaccination coverage and its determinants in this rural community in Nigeria Methods: A cross-sectional survey was conducted in September 2006, which included the use of interviewer-administered questionnaire to assess knowledge of mothers of children aged 12-23 months and vaccination coverage. Survey participants were selected following the World Health Organization's (WHO) immunization coverage cluster survey design. Vaccination coverage was assessed by vaccination card and maternal history. A child was said to be fully immunized if he or she had received all of the following vaccines: a dose of Bacille Calmette Guerin (BCG), three doses of oral polio (OPV), three doses of diphtheria, pertussis and tetanus (DPT), three doses of hepatitis B (HB) ... BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=1934831 Wed, 05 Nov 2008 05:00:00 +0100 1934831 http://www.medworm.com/index.php?rid=1669097&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F8%2F3 This study aims to compare FDG-PET and CT-scan for the early prediction of non-response to preoperative chemoradiotherapy in patients with potentially curable esophageal cancer. Methods/design: Prognostic accuracy study, embedded in a randomized multicenter Dutch trial comparing neoadjuvant chemoradiotherapy for 5 weeks followed by surgery versus surgery alone for esophageal cancer. This prognostic accuracy study is performed only in the neoadjuvant arm of the randomized trial. In 6 centers, 150 consecutive patients will be included over a 3 year period. FDG-PET and CT-scan will be performed before and 2 weeks after the start of the chemoradiotherapy. All patients complete the 5 weeks regimen of neoadjuvant chemoradiotherapy, regardless the test results. Pathological examination of the sur... BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=1669097 Thu, 31 Jul 2008 04:00:00 +0100 1669097 http://www.medworm.com/index.php?rid=1557193&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F8%2F2 Conclusion: The UIPump-system is suitable for use in PET-research for assessment of PK/PD properties by simulation of different tracer tissue kinetics in vivo. (Source: BMC Medical Physics) BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=1557193 Fri, 30 May 2008 04:00:00 +0100 1557193 http://www.medworm.com/index.php?rid=1557194&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F8%2F1 Conclusion: 99mTc-HMPAO brain scan may be useful in the detection of early atherosclerotic changes in the diabetic rat brain. (Source: BMC Medical Physics) BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=1557194 Thu, 13 Mar 2008 04:00:00 +0100 1557194 http://www.medworm.com/index.php?rid=1557195&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F7%2F5 Conclusion: The computer-assisted lateralization of TLE using ZPET provides an accurate, fast and objective way of seizure evaluation. (Source: BMC Medical Physics) BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=1557195 Fri, 02 Nov 2007 04:00:00 +0100 1557195 http://www.medworm.com/index.php?rid=1557196&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F7%2F4 Conclusion: 2D and 3D HD gating Rb-82 PET cardiac studies have similar contrast, ejection fractions and noise levels. 3D LD gating imaging, gave comparable results in terms of contrast, EF and noise to either 2D or 3D HD gating PET imaging. 3D LD PET gated imaging can make Rb-82 PET cardiac imaging more affordable with significantly less radiation exposure to the patients. (Source: BMC Medical Physics) BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=1557196 Mon, 22 Oct 2007 04:00:00 +0100 1557196 http://www.medworm.com/index.php?rid=1557197&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F7%2F3 Conclusion: This study shows no evidence of toxicity or complications attributable to 18F-FLT injected intravenously. (Source: BMC Medical Physics) BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=1557197 Tue, 03 Jul 2007 04:00:00 +0100 1557197 http://www.medworm.com/index.php?rid=1557198&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F7%2F2 Conclusion: SABRE demonstrated significant time savings and no significant difference in reproducibility over manual methods, justifying the use of SABRE in serotonin 1a receptor radioligand PET imaging analysis. This implies that semi-automated ROI delineation is a valid methodology for future PET imaging analysis. (Source: BMC Medical Physics) BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=1557198 Mon, 29 Jan 2007 05:00:00 +0100 1557198 http://www.medworm.com/index.php?rid=1557199&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F7%2F1 Conclusion: Normal variation in heart rate between the stress and rest components of myocardial perfusion scans is common and can influence TID ratios in patients with normal and abnormal cardiac scans. (Source: BMC Medical Physics) BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=1557199 Thu, 11 Jan 2007 05:00:00 +0100 1557199 http://www.medworm.com/index.php?rid=1557200&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F6%2F5 Conclusion: For smaller defects the 99mTc/18F SPECT imaging cannot entirely replace the more expensive 82Rb/18F PET for myocardial perfusion/viability imaging, due to poorer image spatial resolution and poorer defect contrast. (Source: BMC Medical Physics) BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=1557200 Tue, 31 Oct 2006 05:00:00 +0100 1557200 http://www.medworm.com/index.php?rid=1557201&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F6%2F4 Conclusion: The co-registered cerebral metabolism and perfusion z maps demonstrated regional heterogeneity but with attractively low coefficient of variations in the correlation markers. (Source: BMC Medical Physics) BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=1557201 Wed, 12 Jul 2006 04:00:00 +0100 1557201 http://www.medworm.com/index.php?rid=1557202&cid=s_37206_75_f&fid=37206&url=http%3A%2F%2Fwww.biomedcentral.com%2F1756-6649%2F6%2F3 Conclusion: PET FDG activity correlated with macrophage content within aortic atherosclerosis. This imaging approach might serve as a useful non-invasive imaging technique and potentially permit monitoring of relative changes in inflammation within the atherosclerotic lesion. (Source: BMC Medical Physics) BMC Medical Physics journals http://www.medworm.com/rss/comments.php?id=1557202 Thu, 25 May 2006 04:00:00 +0100 1557202