Journal
ORTHOPAEDICS & TRAUMATOLOGY-SURGERY & RESEARCH
Volume 106, Issue 5, Pages 803-811Publisher
ELSEVIER MASSON, CORP OFF
DOI: 10.1016/j.otsr.2020.02.015
Keywords
Humeral non-union; Induced membrane; Masquelet technique; Radial nerve transposition
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Introduction: Treatment of humeral non-union with or without bone defect is complex, with non-negligible rates of complication and failure. Few reports focused on management of treatment failure. Objective: The study hypothesis was that the induced-membrane technique associated in a 2-stage strategy to internal fixation provides systematic bone healing in refractory humeral non-union. Material and methods: The study included 15 patients, with a median age of 46.6 years, with humeral non-union of a mean 24 months' progression and mean history of 3 attempted revision surgeries. Seven patients showed bone defect, exceeding 5 cm in 2 cases. Six had history of radial palsy. Results: Consolidation was achieved in all cases, at a mean 4.6 months. Ten patients underwent radial nerve transposition, 6 of whom had shown radial motor nerve palsy; all recovered within 2 to 5 months. There was 1 case of superficial infection, and 1 of seroma. Discussion: The induced-membrane technique ensures bone healing due to the biological properties of the membrane; the main drawback is the need for 2-stage surgery. When bone defect exceeds 5 cm, a multi-perforated fibula segment can be placed inside the membrane to increase primary stability and enhance bone integration. Conclusion: The induced-membrane technique is suited to humeral non-union, with or without bone defect. The 2-stage strategy is mandatory in case of suspected latent infection. In the 2-stage procedure, anteromedial radial nerve transposition facilitates the bone-graft stage. (C) 2020 Elsevier Masson SAS. All rights reserved.
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