• Int Orthop · Aug 2017

    Reamed intramedullary exchange nailing in the operative treatment of aseptic tibial shaft nonunion.

    • Christian Hierholzer, Jan Friederichs, Claudio Glowalla, Alexander Woltmann, Volker Bühren, and Christian von Rüden.
    • Department of Trauma Surgery, University Hospital Zurich, Zurich, Switzerland.
    • Int Orthop. 2017 Aug 1; 41 (8): 1647-1653.

    PurposeThe aim of this study was to evaluate a standardized treatment protocol regarding the rate of secondary bone union, complications, and functional outcome.MethodsThis study was started as a prospective study in a single Level I Trauma Centre between 2003 and 2012. The study group consisted of 188 patients with the diagnosis of an aseptic tibial shaft nonunion. Exchange nailing was performed following a standardized surgical protocol. Long-term follow-up was analyzed for rate of bone healing and functional outcome.ResultsOsseous healing was achieved in 182 out of 188 patients (97 %). In 165 out of 188 patients (88 %), bone healing was observed timely and uneventfully after a single exchange nailing procedure. An open approach was necessary in 32 patients (17 %). Twenty-three patients (12 %) required additional therapy such as extracorporeal shock wave therapy. Post-operative complications were observed in seven patients (4 %). Almost all patients demonstrated osseous healing within 12 months, with the majority of osseous healing occurring within six months. A relevant shortening of the fractured tibia was observed in 20 out of 188 patients (11 %). After a median follow-up of 23 months (range 12-45 months), outcome was evaluated using the assessment system of Friedman/Wyman. In summary, 154 out of 188 patients (82 %) had a good functional long-term result.DiscussionReamed intramedullary exchange nailing including correction of axis alignment is a safe and effective treatment of aseptic tibial shaft nonunion with a high rate of bone healing and a good radiological and functional long-term outcome.

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