• Coskun Ulucakoy, Ahmet Yigit Kaptan, Toygun Kagan Eren, Ali Eren, Sevim Beyza Olmez, Muhammet Baybars Ataoglu, and Ulunay Kanatli.
• Department of Orthopaedics and Traumatology, Dr. Abdurrahman Yurtaslan Oncology Hospital, 06430, Ankara, Turkey. coskunulucakoy@gmail.com.
• Arch Orthop Trauma Surg. 2021 Sep 1; 141 (9): 1551-1557.

PurposeTo evaluate the clinical results of arthroscopic repair and open Ahlgren-Larsson method in patients with chronic lateral ankle instability.MethodsWe retrospectively evaluated 60 patients who were operated in our clinic between 2010 and 2018 with the diagnosis of chronic lateral ankle instability. Preoperative and postoperative clinical evaluations were performed with AOFAS ankle-hindfoot score, FAOS, and VAS scores.ResultsSixty patients with chronic lateral ankle instability were evaluated. 28 patients were treated with Ahlgren-Larsson method, and 32 patients were treated with arthroscopic repair. Follow-up duration was 35 ± 12 months for the open surgery group and 19 ± 2 months for the arthroscopic surgery group. The mean age of the arthroscopy group was 44 ± 9; the mean age of the open surgery group was 46 ± 11. There was no significant difference between the groups in terms of demographic features (age, sex, BMI). Postoperative clinical improvement was observed in both groups. There was no statistically significant difference between the groups in terms of functionality. However, there was a statistically significant difference in VAS in terms of pain and patient satisfaction in favor of arthroscopy group.ConclusionsAhlgren-Larsson method and arthroscopic repair technique are safe and effective for chronic lateral ankle instability. Arthroscopic technique may be preferred for pain and patient satisfaction as it is less invasive and less morbid.Level Of EvidenceII.© 2021. The Author(s), under exclusive licence to Springer-Verlag GmbH, DE part of Springer Nature.

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