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Repair of Pronator Quadratus with Partial Muscle Split and Distal Transfer for Volar Plating of Distal Radius Fractures
Hui-Kuang Huang, MD1; Jung-Pan Wang, MD, PhD2; Ming-Chau Chang, MD2
1Chiayi Christian Hospital, Chiayi, Taiwan, 2Taipei Veterans General Hospital, Taipei, Taiwan
Purpose: We describe a “PQ splitting” technique for covering the distal edge of the plate if the primary PQ repair cannot completely cover the distal edge of the plate and report the outcomes.
Methods: From January 2013 to January 2015, we enrolled 64 patients (43 females, 21 males) who underwent a traditional volar approach to plating for distal radius fracture and whose pronator quadratus could not completely cover the distal edge of the plate.
Results: All fractures achieved uneventful union. In a mean follow-up of 24 months (range, 12-38 months), there were no volar tendon ruptures. All patients were satisfied with the functional outcomes and could return to previous activities without difficulty.
Conclusion: The use of partial PQ split and distal transfer can easily and safely achieve complete coverage of the distal edge of the plate. This method can potentially avoid the complications of flexor tendon attrition or rupture caused by the plate edge.
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