• Bernd Hohendorff, C Knappwerth, J Franke, L P Müller, and C Ries.
• Abteilung für Hand-, Ästhetische und Plastische Chirurgie, Elbe Klinikum Stade, Stade, Germany. bernd.hohendorff@hotmail.com.
• Arch Orthop Trauma Surg. 2018 Oct 1; 138 (10): 1479-1485.

IntroductionStable pronator quadratus repair following volar plate fixation of distal radius fractures with complete plate coverage is difficult.Materials And MethodsThis study compares a modified pronator quadratus repair technique involving the brachioradialis muscle insertion (test group) with a conventional radial incision through the muscle without pronator quadratus repair (standard group). This prospective randomised study included 16 patients in the test group and 12 in the standard group; all were available for clinical, radiographic and ultrasound examination at a mean follow-up of 15 months.ResultsPronator quadratus repair was feasible in all test group patients, and complete coverage of the distal plate was achieved in 11. No differences in functional outcome were observed between the groups.ConclusionPronator quadratus repair with a part of the brachioradialis muscle insertion is a reliable technique for coverage of a volar plate by slight distal transposition. In the repair of distal radius fractures, this may better protect the finger flexor tendons against irritation and/or rupture. That likelihood should now be studied.

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