Abstract
Category: Other; Ankle Introduction/Purpose: The purpose of this systematic review was to evaluate the clinical and radiological outcomes at short-term follow-up following peroneal tendoscopy for the treatment of peroneal tendon disorders. Methods: During October 2022, the PubMed, Embase and Cochrane library databases were systematically reviewed to identify clinical studies examining outcomes following peroneal tendoscopy for the treatment of peroneal tendon disorders. Data regarding patient demographics, pathological characteristics, subjective clinical outcomes, radiological outcomes, complications and failure rates were extracted and analysed. Results: Nine studies were included. In total, 264 patients (269 tendons) underwent peroneal tendoscopy for the treatment of peroneal tendon disorders at a weighted mean follow-up of 30.5±11.4 months. The peroneal tendon disorders included: peroneal tendon tear (89 patients), peroneal tenosynovitis (85 patients), low lying muscle belly (54 patients) and peroneal tendon subluxation (17 patients). The weighted mean AOFAS score improved from a pre-operative score of 76.0 to a weighted mean post-operative score of 96.0. The complication rate was 3.8%, the most common of which was persistent lateral ankle pain (1.1%). Two failures (0.007%) were reported, both of which underwent repeat peroneal tendoscopy, tenosynovectomy and low lying muscle belly resection. Conclusion: This systematic review demonstrated improvement in subjective clinical outcomes together with a low complication rate and low failure rate at short-term follow-up following peroneal tendoscopy for the treatment of peroneal tendon disorders. However, the level of evidence was low and the quality of evidence was poor. In addition, there was significant heterogeneity between the included studies. Further higher quality studies are warranted to determine the optimal role of peroneal tendoscopy for the management of peroneal tendon disorders.
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