The Result of Percutaneous Screw Fixation without Bone Grafting for Scaphoid Waist Nonunion under Local Anesthesia

Cha,  Jung Kwon; Park,  Ji Kang; Choi,  Seung Myoung; Yang,  Jae Young

doi:2017.22.2.89

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Original Article

Journal of the Korean Society for Surgery of the Hand 2017;22(2):89-95.
Published online June 30, 2017.
DOI: https://doi.org/10.12790/jkssh.2017.22.2.89

The Result of Percutaneous Screw Fixation without Bone Grafting for Scaphoid Waist Nonunion under Local Anesthesia

Jung Kwon Cha, Ji Kang Park, Seung Myoung Choi, Jae Young Yang

Department of Orthopaedic Surgery, Chungbuk National University College of Medicine, Cheongju, Korea. carm0916@hanmail.net

Received: 26 December 2016 • Revised: 7 March 2017 • Accepted: 22 March 2017

Abstract

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 non-union without displacement or deformation in the fracture site.

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