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  • Title: Management of isolated anterior talofibular ligament lesion in patients suffering from chronic ankle instability: comparison of two minimally invasive surgical techniques.
    Author: Ventura A, Terzaghi C, Macchi V, Borgo E, Legnani C.
    Journal: Eur Rev Med Pharmacol Sci; 2022 Apr; 26(8):2944-2948. PubMed ID: 35503638.
    Abstract:
    OBJECTIVE: The aim of the present study was to retrospectively compare the outcomes of two minimally invasive surgical techniques in patients with isolated anterior talofibular ligament (ATFL) lesion suffering from chronic ankle instability (CAI). PATIENTS AND METHODS: Thirty-six patients with ATFL lesion suffering from CAI were treated at our department from 2010 to 2017 and retrospectively reviewed after an average time of 4 years (2 to 9 years). Eighteen patients underwent a four-step operative protocol, including: synovectomy, debridement of ATFL lesion borders, capsular shrinkage, and 21-day immobilization and non-weightbearing. Eighteen patients underwent arthroscopic Broström procedure. Patients were assessed pre-operatively and at follow-up with American Orthopedic Foot & Ankle Society Score (AOFAS) scale, Karlsson-Peterson score, Tegner activity level, and objective examination comprehending range of motion, anterior drawer test, and talar tilt test. Wilcoxon test was utilized to compare the pre-operative and follow-up status. The Mann-Whitney U test was used to make comparisons between the two surgical techniques. Statistical significance was established at p < 0.05. RESULTS: Mean overall AOFAS, Karlsson-Peterson and Tegner scores significantly increased at follow-up compared to pre-operatory status (p < 0.05). However, no statistically significant differences concerning mean AOFAS score (90.2 in the four-step group vs. 89.2 in the Broström arthroscopic group), mean Karlsson-Peterson score (88.1 and 85.9 respectively), and median Tegner activity level (6.0 vs. 5.5) were reported between the two groups (p = n.s.). The complications in the arthroscopic four-step treatment group included damage to the superficial branch of the peroneal nerve in one case. The complications in the arthroscopic Broström included nerve injury in one case and persistent local pain nearby suture knot in one case. CONCLUSIONS: Both arthroscopic Broström and a four-step operative procedure including synovectomy, debridement of ATFL lesion borders, capsular shrinkage and immobilization, improved functional outcomes in patients with ATFL lesion suffering from CAI.
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