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Current Issue - July 2020, Volume 14, Issue No. 2

Official Journal of Malaysian Orthopaedic Association and ASEAN Orthopaedic Association

Cubitus Valgus with Tardy Ulnar Nerve Palsy – Functional Outcome of Milch Osteotomy without Anterior Transposition of Ulnar Nerve


Introduction: To assess the results of Milch osteotomy in terms of deformity correction and functional outcome in the absence of ulnar nerve transposition.

Materials and Methods: Nine patients with cubitus valgus deformity greater than 20° with tardy ulnar nerve palsy (TUNP) operated between 2012 and 2017 were evaluated. Correction by Milch osteotomy and fixation was done in each case, without osteosynthesis of the non-union lateral condyle humerus or transposition of the ulnar nerve. At one year post-operatively, carrying angle, elbow function (Mayo Elbow Performance Score) and ulnar nerve symptoms were assessed.

Results: The mean carrying angle pre-operatively was 30.8° on the affected side which improved to a mean of 8.3° postoperatively with an average correction of 22.5°. The mean elbow flexion pre-operatively was 129.4° which improved to 133.3° post-operatively. The mean preoperative MEP score was 76.7 which improved to a mean of 92.2 post-operatively (p < 0.01). TUNP recovered completely in all the patients.

Conclusion: Milch osteotomy is an effective procedure for cubitus valgus deformity correction and its associated tardy ulnar nerve palsy without a decrease in elbow ROM. Correction of even severe valgus deformities without concurrent anterior transposition of the ulnar nerve is likely to improve ulnar nerve symptoms.

Abstract   |   Reference

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The Malaysian Orthopaedic Journal is a peer-reviewed journal that is published three times a year in both print and electronic online version. The purpose of this journal is to publish original research studies, evaluation of current practices and case reports in various subspecialties of orthopaedics and traumatology, as well as associated fields like basic science, biomedical engineering, rehabilitation medicine and nursing.

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