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KMID : 0621520170220020089
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Journal of the Korean Society for Surgery of the Hand
2017 Volume.22 No. 2 p.89 ~ p.95
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The Result of Percutaneous Screw Fixation without Bone Grafting for Scaphoid Waist Nonunion under Local Anesthesia
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Cha Jung-Kwon
Park Ji-Kang
Choi Seung-Myoung
Yang Jae-Young
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Abstract
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Purpose: The purpose of this study was to analyze the results of patients with scaphoid waist nonunion treated with percutaneous screw fixation without bone grafting under local anesthesia.
Methods: We enrolled scaphoid waist nonunion of 15 patients which had no deformity, displacement, evidence of avascular necrosis and bone cyst under 5 mm on its radiological study. All patients were male with an average age of 28.9±6.2 years (range, 17?38 years). The mean time to surgery from initial injury was 10.8±2.2 months (range, 6?14 months). All patients were treated with percutaneous screw fixation without bone grafting via volar approaching under local anesthesia and postoperative radiographs were reviewed and documented the flexion and extension arcs of the injured wrist and uninjured wrist, disability of the arm, shoulder and hand (DASH) score at final follow-up.
Results: All 15 patients showed radiological union at an average 5.5±1.0 months. At 12 months follow-up, the flexion and extension arcs of the injured wrist were 95% and 98.5% of the uninjured wrist. The average DASH score at final follow-up was 7±3.9 (range, 0?15). None of these patients showed any complications associated with surgery.
Conclusion: Percutaneous screw fixation without bone grafting under local anesthesia was reliable primary treatment method for scaphoid waist nonunion without displacement or deformation in the fracture site.
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KEYWORD
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Scaphoid bones, Ununited fractures, Percutaneous, Fracture fixation
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