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45,315 results
  • Methodological improvements for the analysis of domain movements in large biomolecular complexes. [Journal Article]
    Biophys Physicobiol 2019; 16:328-336Veevers R, Hayward S
  • Domain movements play a prominent role in the function of many biomolecules such as the ribosome and F0F1-ATP synthase. As more structures of large biomolecules in different functional states become available as experimental techniques for structure determination advance, there is a need to develop methods to understand the conformational changes that occur. DynDom and DynDom3D were developed to …
  • Traditional distance "tip-apex" vs. new calcar referenced "tip-apex" - which one is the best peritrochanteric osteosynthesis failure predictor? [Journal Article]
    Injury 2020Lopes-Coutinho L, Dias-Carvalho A, … Sousa R
  • CONCLUSIONS: Both the traditional TAD and the new calTAD have shown to be relevant indexes and independently predictive of the likelihood of failure of pertrochanteric fracture fixation. Interestingly, we found the optimal threshold for the traditional TAD to be lower (<20 mm) than the traditional cutoff (<25 mm). Our study did not confirm calTAD to be superior to the traditional TAD. From the surgical practice point of view, the authors argue that the ideal position of the screw is the central region of the femoral head (minimal traditional TAD). In case of deviation, it must be infero-central in order to maintain a low calTAD thus minimizing the risk of fixation failure.
  • Percutaneous removal of sacroiliac screw following iatrogenic neurologic injury in posterior pelvic ring injury: A case report. [Case Reports]
    Int J Surg Case Rep 2020; 66:416-420Alkhateeb JM, Chelli SS, Aljawder AA
  • CONCLUSIONS: Safe sacroiliac screw placement is technically demanding requiring good understanding of sacral complex morphology and its anatomic variants. Risk of screw misplacement, and potential neurologic injury increases in dysmorphic sacra, or with inaccurate fracture reduction. Advances in intraoperative imaging modalities have been introduced in an attempt to improve accurate screw insertion. Literature is scarce with reports discussing removal of sacroiliac screw. Technique of screw retrieval is also controversial.This case addresses management of an iatrogenic neurologic complication following percutaneous sacroiliac screw fixation. Our experience showed that, percutaneous retrieval of an intact misplaced sacroiliac screw is achievable, resulting in complete resolution of neurologic symptoms.
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