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KMID : 0621520170220020105
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Journal of the Korean Society for Surgery of the Hand
2017 Volume.22 No. 2 p.105 ~ p.111
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Clinical Study on Percutaneous Intramedullary Bioresorbable Pin Fixation for Fourth and Fifth Metacarpal Bone Fracture
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Lee Sang-Hwan
Kim Sang-Hun
Park Eun-Soo
Nam Seung-Min
Shin Ho-Seong
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Abstract
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Purpose: Metacarpal fracture of a ring and little finger occurs frequently. Percutaneous intramedullary fixation is a simple and effective method with a low incidence of complications. To date, Kirschner wire (K-wire) fixation has been widely used, but this has problems such as pin infection. Moreover it is difficult to start early active motion exercise. So, we replaced the K-wire with a bioresorbable implant and evaluated the results.
Methods: This study was conducted from 2014 to 2016 and involved 10 consecutive patients with 10 metacarpal neck fractures. All cases underwent percutaneous intramedullary fixation using the ActivaPin (Bioretec Ltd.) within 7 days after injury, and the average follow-up period was 13 months. At the final follow-up, all cases were assessed in terms of total active motion (TAM), bony union and angular deformity based on plain radiographs.
Results: The patients started active motion exercise within 1 week and regained a full range of motion after average 4 weeks. The TAM results were excellent at 250° to 270° in all cases. Regarding radiographic findings, fractures united in all cases and there were no malunion and knuckle deformity.
Conclusion: Replacement of a K-wire with a bioresorbable pin prevented soft tissue damage and dorsal scarring. And our percutaneous intramedullary bioresorbable pin fixation technique resulted in early recovery of range of motion and correction of deformity. The patients regained range of motion and returned to daily life early.
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KEYWORD
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Absorbable implants, Fracture fixation, Metacarpal bones
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