Abstract

Proximal radioulnar synostosis is a rare but highly disabling posttraumatic complication in periarticular elbow injuries. Surgical treatment is an option for functionally limiting proximal radioulnar synostosis; however, the approach can endanger local neurovascular structures, especially if the synostosis affects the level of the bicipital tuberosity. We report two cases of proximal radioulnar synostosis with a preoperative prono-supination range of motion of 0° and 15° treated by a reverse Sauvé-Kapandji procedure resecting a 1-cm section of the radial shaft distal to the bicipital tuberosity and leaving the synostosis in place. An improvement in prono-supination arc of motion of 82.5° was achieved at 2years of follow-up with no complications associated with the technique. The reverse Sauvé-Kapandji procedure could be an option in the treatment of proximal radioulnar synostosis in selected cases.

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