Purpose: Rotational ankle instability is a multiligamentous injury defined as an overload injury of the deltoid ligament caused by a long-standing injury of the lateral collateral ligament in patients affected by chronic ankle instability. The purpose of the study was to compare the clinical outcomes of combined arthroscopic repair of lateral and medial ankle ligaments for rotational ankle instability versus isolated arthroscopic lateral ligament repair for lateral ankle instability at 2 years' follow-up. Methods: Between 2019 and 2021, 108 patients with chronic ankle instability were consecutively treated by arthroscopy. Of this group, 83 patients (77%) [median age: 26 (range, 14-77) years] underwent an isolated all-inside lateral ligament repair for lateral ankle instability (group A). In the remaining 25 patients (23%) [median age: 27 (range, 17-58) years], rotational ankle instability was clinically suspected and confirmed during arthroscopy; thus, a combined all-inside repair of lateral and medial ligaments was performed (group B). The same postoperative protocol was utilised for both groups. Patients were prospectively evaluated before surgery, at 3, 6, 12 and 24 months with Foot Functional Index (FFI) score, visual analogue scale (VAS) and Foot and Ankle Ability Measure-Sports subscale (FAAM-SS). At the latest follow-up, the satisfaction rate and complications were also recorded. Results: In both groups, FFI, VAS and FAAM-SS scores significantly improved compared to preoperative values (p < 0.001). In addition, according to all the scores evaluated, there was no significative difference (n.s) between groups at the final follow-up or at any of the intermediate follow-up. No major complications were observed in both groups. Conclusions: Arthroscopic ligament repair in case of ankle multiligamentous injuries, such as in rotational ankle instability, provides excellent clinical outcomes and is comparable to isolated lateral ligament repair at 2 years' follow-up. Therefore, when treating ankle instability, arthroscopic repair of each and every ligament that appears injured provides the best potential outcomes and is the recommended treatment. Level of evidence: Level II, prospective comparative.

Arthroscopic treatment of ankle multiligamentous injuries provides similar clinical outcomes to the treatment of isolated lateral ligament injury at the 2‐year follow‐up

Andrea Pantalone
2024-01-01

Abstract

Purpose: Rotational ankle instability is a multiligamentous injury defined as an overload injury of the deltoid ligament caused by a long-standing injury of the lateral collateral ligament in patients affected by chronic ankle instability. The purpose of the study was to compare the clinical outcomes of combined arthroscopic repair of lateral and medial ankle ligaments for rotational ankle instability versus isolated arthroscopic lateral ligament repair for lateral ankle instability at 2 years' follow-up. Methods: Between 2019 and 2021, 108 patients with chronic ankle instability were consecutively treated by arthroscopy. Of this group, 83 patients (77%) [median age: 26 (range, 14-77) years] underwent an isolated all-inside lateral ligament repair for lateral ankle instability (group A). In the remaining 25 patients (23%) [median age: 27 (range, 17-58) years], rotational ankle instability was clinically suspected and confirmed during arthroscopy; thus, a combined all-inside repair of lateral and medial ligaments was performed (group B). The same postoperative protocol was utilised for both groups. Patients were prospectively evaluated before surgery, at 3, 6, 12 and 24 months with Foot Functional Index (FFI) score, visual analogue scale (VAS) and Foot and Ankle Ability Measure-Sports subscale (FAAM-SS). At the latest follow-up, the satisfaction rate and complications were also recorded. Results: In both groups, FFI, VAS and FAAM-SS scores significantly improved compared to preoperative values (p < 0.001). In addition, according to all the scores evaluated, there was no significative difference (n.s) between groups at the final follow-up or at any of the intermediate follow-up. No major complications were observed in both groups. Conclusions: Arthroscopic ligament repair in case of ankle multiligamentous injuries, such as in rotational ankle instability, provides excellent clinical outcomes and is comparable to isolated lateral ligament repair at 2 years' follow-up. Therefore, when treating ankle instability, arthroscopic repair of each and every ligament that appears injured provides the best potential outcomes and is the recommended treatment. Level of evidence: Level II, prospective comparative.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11564/827813
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