Endoscopic Anterior Transposition of Ulnar Nerve (EATUN) for Treatment of Tardy Ulnar Nerve Palsy |
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Authors: | Binu Prathap Thomas Sreekanth Raveendran Thenmozhi Mani |
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Institution: | 1.Paul Brand Centre for Hand Surgery and Peripheral Nerve Surgery, Christian Medical College and Hospital, Vellore, Tamil Nadu 632 004 India ;2.Department of Biostatistics, Christian Medical College and Hospital, Vellore, Tamil Nadu India |
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Abstract: | BackgroundTardy ulnar nerve palsy is the development of late onset ulnar nerve dysfunction and is usually treated by open anterior transposition of ulnar nerve. Open technique is done using a longitudinal incision about 6–8 inch. in length with chances of development of medial antebrachial cutaneous nerve neuromas.PurposeIn this study, we describe the technique of Endoscopic Anterior Transposition of Ulnar Nerve (EATUN procedure) to treat tardy ulnar nerve palsy and analyze the results.MethodsSeven patients diagnosed to have tardy ulnar nerve palsy was treated by EATUN. The humerus-elbow-wrist angle (HEW), pre- and post-operative intrinsic muscle power and sensory assessment, Dellon scores, and the Q-DASH was analyzed.ResultsThe minimum follow-up was 12 months (Mean 27.4 months, Range 12–36 months). Improvement in Dellon and Q-DASH scores following EATUN procedure was statistically significant. There was objective improvement of intrinsic muscle power and sensation on follow-up, though not statistically significant. No instance of neuroma of the medial cutaneous nerve of forearm was noted.ConclusionsThe endoscopic anterior transposition of the ulnar nerve is a good option in surgical management of tardy ulnar nerve palsy.Level of evidenceTherapeutic Level IV.Supplementary InformationThe online version contains supplementary material available at 10.1007/s43465-021-00366-w. |
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Keywords: | Anterior transposition EATUN procedure Endoscopic anterior transposition Tardy ulnar nerve palsy Ulnar nerve palsy |
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