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  • Title: All-Inside Arthroscopic Anterior Talofibular Ligament Anatomic Reconstruction With a Gracilis Tendon Autograft for Chronic Ankle Instability in High-Demand Patients.
    Author: Lan S, Zeng W, Yuan G, Xu F, Cai X, Tang M, Wei S.
    Journal: J Foot Ankle Surg; 2020; 59(2):222-230. PubMed ID: 32130983.
    Abstract:
    The goal of this study was to evaluate the surgical technique and clinical outcome of all-inside arthroscopic anterior talofibular ligament anatomic reconstruction with a gracilis tendon autograft for chronic ankle instability in high-demand patients. Fifteen consecutive patients (14 [93.3%] males and 1 [6.7%] female, mean age 31.9 ± 7.8 [range 21 to 48] years) with chronic ankle instability were enrolled in this study. Under direct arthroscopic visualization, bone tunnels were created in the fibula and talus by a 4.5-mm cannulated drill system. The gracilis tendon autograft was passed through the tunnels and secured by 5.0-mm interference screws. At the final follow-up, functional evaluation was carried out according to the Ankle-Hindfoot Score by the American Orthopaedic Foot and Ankle Society, Sefton grading system, and visual analog scale score. Complications were also recorded. Mean follow-up was 19.5 ± 1.8 (range 18 to 24) months. No complications of wound infection and nerve injury were noted. No patients experienced recurrent ankle instability. Radiologically, the mean varus tilting angle was 15.2° ± 1.5° before surgery and 4.3° ± 1.2° at the last follow-up (p ≤ .001). The anterior drawer distance was 13.2 ± 1.5 mm before surgery and 4.8 ± 1.1 mm at last follow-up (p ≤ .001). The mean American Orthopaedic Foot and Ankle Society and visual analog scale scores were 56.8 ± 10.5 and 5.7 ± 1.3 before surgery, which became 90.2 ± 6.2 and 0.5 ± 0.8 after surgery. Fourteen (93.3%) patients reported excellent/good functional results according to the Sefton grading system (6 [40.0%] excellent, 8 [53.3%] good, and 1 [6.7%] fair). From our clinical experience, all-inside arthroscopic anterior talofibular ligament anatomic reconstruction with a gracilis tendon is an effective treatment for chronic ankle instability in high-demand patients.
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