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KMID : 0621520140190040173
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Journal of the Korean Society for Surgery of the Hand
2014 Volume.19 No. 4 p.173 ~ p.179
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Scaphoid Nonunions Treated with 1, 2-Intercompartment Supraretinacular Artery Pedicled Vascularized Bone Graft and Headless Compression Screw Fixation
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Kim Dong-Hyun
Chung Yang-Guk
Shin Seung-Han
Gil Ho-Jin
Kang Jin-Woo
Cho Han-Seok
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Abstract
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Purpose: The purpose of this study was to evaluate the clinical results of scaphoid nonunions treated with 1, 2-intercompartment supraretinacular artery (ICSRA) pedicled vascularized bone grafting (VBG) and headless compression screw fixation.
Methods: Since August 1, 2005, 11 scaphoid nonunions with avascular necrosis or bone marrow edema of proximal fragments were managed with 1, 2-ICSRA pedicled VBG combined with headless compression screw fixation. The mean age was 37.1 years (range, 21-66 years). 8 patients had avascular necrosis (AVN) of proximal fragments and 3 patients had bone marrow edema in proximal fragments. Serial radiographic evaluations were performed in every 4-8 weeks for bone union and follow up computed tomography scanning were checked in 8 patients.
Results: Bone unions were obtained in all 11 patients at 4.9 months (range, 3-9 months) after operation. At last follow up, the average range of motion was 82.5% and the grip power was 84.1% compared to the contralateral side. The mean New York Orthopaedic Hospital wrist score at last follow up was 83.2 (range, 58.1-93.3).
Conclusion: Combined 1, 2-ICSRA pedicled VBG and headless compression screw fixation were reliable methods for managements of scaphoid nonunions even with AVN at proximal fragments.
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KEYWORD
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Scaphoid nonunion, Avascular necrosis, 1, 2-Intercompartment supraretinacular artery pedicled vascularized bone graft, Headless compression screw fixation
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