• Eslam Koriem, Mohamed Mostafa El-Mahy, Ahmed Naeem Atiyya, and Ramy Ahmed Diab.
• Department of Orthopaedic Surgery, Ain Shams University, Cairo, Egypt.
• J Hand Surg Am. 2020 Feb 1; 45 (2): 104-110.

PurposeTo compare combined ulnar nerve repair with supercharged end-to-side anterior interosseous nerve to ulnar motor nerve transfer (UR+SETS) with conventional isolated ulnar repair techniques in proximal ulnar nerve transection, with respect to intrinsic muscle power recovery and claw hand deformity correction.MethodsWe conducted a comparative matched-paired series prospectively on 21 patients with proximal ulnar nerve transection injury. Eleven patients were managed by UR+SETS and 10 by isolated ulnar repair. The outcome was reported at 3, 6, 12, and 18 months using the score of Birch and Raji and Brand's criteria.ResultsA total of 21 patients with acute proximal ulnar nerve transection injury had completed 18 months' follow-up. We observed better results in the UR+SETS group regarding the return of intrinsic function and reduction of deformity with earlier improvement in the score of Birch and Raji and Brand's criteria.ConclusionsIn the short term, UR+SETS transfer appears to result in better intrinsic muscle reinnervation and clawing deformity correction after proximal ulnar nerve transection injury.Type Of Study/Level Of EvidenceTherapeutic II.Copyright © 2020 American Society for Surgery of the Hand. Published by Elsevier Inc. All rights reserved.

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