Derotational osteotomy in the treatment of congenital radioulnar synostosis: A report of 11 cases

Introduction: Congenital proximal radio-ulnar synostosis is a rare congenital anomaly of the upper extremity which severely disabling as it causes severe pronation deformity. So aim this study was to assess efficacy radioulnar derotational osteotomy followed by internal fixation for treatment synostosis.Materials and Method: Between June 2018 April 2020, 11 patients with CRUS who underwent at site were evaluated. There 7 boys 4 girls. The mean age time surgery 10.5 years (range, 2 13) years. forearm derotated goal position (20 degrees supination 10 pronation) using plates plaster splints external immobilization. Pre- postoperative positions recorded; function evaluated based on classification system proposed Failla et al.Results: follow-up duration 6 months. initial deformity 65.0 ± 5.2 (55 80) degrees. correction achieved 75.27 5.25 (50 90) degrees, resulting in final 9.45 3.25 pronation). Based system, forearms rated good, fair preoperatively. At follow-up, 9 excellent good. All bone union after weeks. Post-operative period uneventful no complications seen.Conclusion: Proximal plate safe feasible procedure low complication rate. technique can effectively improve forearm.