• Danilo Ryuko Cândido Nishikawa, Guilherme Honda Saito, Adilson Sanches de Oliveira Junior, Alberto Abussamra Moreira Mendes, Leticia Piovesana Devito, and Marcelo Pires Prado.
• Department of Orthopaedic Surgery, Hospital Alemão Oswaldo Cruz, 94, São Joaquim street, Liberdade, São Paulo, SP, CEP: 01508-000, Brazil. dryuko@gmail.com.
• Arch Orthop Trauma Surg. 2021 Sep 1; 141 (9): 1567-1574.

IntroductionTo present the short- to midterm clinical outcomes of a series of patients with isolated acute syndesmosis instability treated with arthroscopy and percutaneous suture-button fixation.Materials And MethodsA review of 17 patients treated through the arthroscopic approach. The mean age of the patients was 27.8 years and the mean follow-up was 31.5 months. Clinical and functional evaluations were based on the VAS, AOFAS ankle-hindfoot score and time of return to preinjury level of activities. Imaging analysis was performed with stress radiographs, MRI and CT scan with stress.ResultsThe average VAS was 0.5 and the mean AOFAS score was 95.5. Out of the 17 patients, 15 were able to return to their preinjury level of activities. The mean time of return to activities was 5.06 months.ConclusionArthroscopic approach and percutaneous suture-button fixation provided satisfactory clinical and functional results for selected patients with ASI at short- to midterm follow-up.Level Of EvidenceLevel IV, retrospective case series.© 2021. The Author(s), under exclusive licence to Springer-Verlag GmbH, DE part of Springer Nature.

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