Hemi-Castaing ligamentoplasty for the treatment of chronic lateral ankle instability: a retrospective assessment of outcomeReport as inadecuate




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International Orthopaedics

, Volume 35, Issue 12, pp 1805–1812

First Online: 03 June 2011Received: 30 April 2011Accepted: 17 May 2011

Abstract

PurposeIn the treatment of chronic ankle instability, most non-anatomical reconstructions use the peroneus brevis tendon. This, however, sacrifices the natural ankle stabilising properties of the peroneus brevis muscle. The aim of this study was to evaluate the functional outcome of patients treated with a hemi-Castaing procedure, which uses only half the peroneus brevis tendon.

MethodsWe performed a retrospective cohort study of patients who underwent hemi-Castaing ligamentoplasty for chronic lateral ankle instability between 1993 and 2010, with a minimum of one year follow-up. Patients were sent a postal questionnaire comprising five validated outcome measures: Olerud-Molander Ankle Score OMAS, Karlsson Ankle Functional Score KAFS, Tegner Activity Level Score pre-injury, prior to surgery, at follow-up, visual analog scale on pain VAS and the Short Form 36 SF-36.

ResultsTwenty patients completed the questionnaire on functional outcome. The OMAS showed good to excellent outcome in 80% and the KAFS in 65%, the Tegner Score improved from surgery but did not reach pre-injury levels, the VAS on pain was 1 of 10 and the SF-36 returned to normal compared with the average population.

ConclusionsEven though most patients were satisfied with the results, outcome at long-term follow-up was less favourable compared with the literature on anatomical reconstructions. In accordance with the literature, we therefore conclude that the initial surgical treatment of chronic lateral ankle instability should be an anatomical repair with augmentation i.e. the Broström-Gould technique and the non-anatomical repair should be reserved for unsuccessful cases after anatomical repair or in cases where no adequate ligament remnants are available for reconstruction.

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Author: Tim Schepers - Lucas M. M. Vogels - Esther M. M. Van Lieshout

Source: https://link.springer.com/







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