Abstract
Purpose
Chronic ankle instability has been described as presenting with complete tears of both the anterior talofibular ligament (ATFL) and calcaneofibular ligament (CFL) in 20% of cases. Arthroscopic techniques to treat chronic ankle instability are increasingly being reported and in some instances they can be technically demanding. The aim of this study was to describe an arthroscopic all-inside repair of both the ATFL and CFL, and to report the outcomes of a group of patients with chronic ankle instability that underwent the technique.
Methods
Twenty-four patients [22 male and 2 female, median age 41 (range 22–56) years] with chronic ankle instability and torn ATFL and CFL were treated arthroscopically after failing non-operative management. Median follow-up was 35 (mean 34.7, and range 18–55) months. Through an arthroscopic all-inside technique, and using a suture passer and two knotless anchors, both fascicles of the ATFL and the CFL were repaired.
Results
Arthroscopic examination demonstrated ATFL and CFL injuries in all patients. Subjective improvement in their ankle instability was observed postoperatively. The anterior drawer and the talar tilt tests were negative at follow-up. The median AOFAS score increased from 65 (mean 65, range 52–85) preoperatively to 97 (mean 97, range 85–100) at final follow-up.
Conclusion
Chronic ankle instability with concomitant injury of both the ATFL and CFL, can be successfully treated by an arthroscopic all-inside repair. The clinical relevance of the study is the description of the first arthroscopic all-inside ATFL and CFL anatomic repair technique, which offers excellent clinical results and the inherent benefits from minimally invasive surgery.
Level of evidence
IV, retrospective case series.
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Vega, J., Malagelada, F. & Dalmau-Pastor, M. Arthroscopic all-inside ATFL and CFL repair is feasible and provides excellent results in patients with chronic ankle instability. Knee Surg Sports Traumatol Arthrosc 28, 116–123 (2020). https://doi.org/10.1007/s00167-019-05676-z
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DOI: https://doi.org/10.1007/s00167-019-05676-z