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Comparison Between the Simultaneous Reconstructions of the Anterior Talofibular Ligament and Calcaneofibular Ligament and the Single Reconstruction of the Anterior Talofibular Ligament for the Treatment of Chronic Lateral Ankle Instability Hanada, Mitsuru Hotta, Kensuke Matsuyama, Yukihiro © 2022. This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/ This is the accepted manuscript version. The formal published version is available at "https://doi.org/10.1053/j.jfas.2021.01.012". anterior talofibular ligament calcaneofibular ligament chronic lateral ankle instability reconstruction 発行年：2022年5-6月 This study aimed to evaluate the procedures of reconstruction surgery for chronic lateral ankle instability. We compared single anterior talofibular ligament reconstruction to simultaneous reconstructions of the anterior talofibular and calcaneofibular ligaments. From 2015 to 2019, 14 consecutive patients diagnosed with chronic lateral ankle instability underwent arthroscopic anterior talofibular ligament reconstruction with or without calcaneofibular ligament reconstruction after conservative treatment. Seven patients underwent single anterior talofibular ligament reconstruction (group AT), and seven patients underwent simultaneous reconstructions of the anterior talofibular ligament and calcaneofibular ligament (group AC). The Japanese Society for Surgery of the Foot scale scores and Karlsson scores significantly improved in all patients one year postoperatively. The radiographic measurement of the talar tilt angle and the talar anterior drawer distance at one year after surgery were also significantly improved compared to preoperative values. The postoperative talar tilt angle was significantly greater in group AT (median 6°, range 3° to 7°) than that in group AC (median 3°, range 2° to 5°; p=0.038). The postoperative talar anterior drawer distance, Japanese Society for Surgery of the Foot scale score, and Karlsson score were not significantly different between the two groups. We found that although the clinical outcomes after the anterior talofibular ligament reconstruction with or without the calcaneofibular ligament reconstruction for chronic lateral ankle instability were good, instability of the talar tilt angle at one year postoperatively 30 in patients who underwent single anterior talofibular ligament reconstruction was greater than that in patients who underwent simultaneous anterior talofibular and calcaneofibular ligament reconstructions. Elsevier American College of Foot and Ankle Surgeons 2022 eng journal article AM http://hdl.handle.net/10271/00004368 https://hama-med.repo.nii.ac.jp/records/4246 34785128 10.1053/j.jfas.2021.01.012 1067-2516 1542-2224 AA10941816 The Journal of Foot and Ankle Surgery 61 3 533 536 https://hama-med.repo.nii.ac.jp/record/4246/files/JFAS-61-533.pdf application/pdf 1.2 MB 2023-05-30