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06.08.2018 | Ankle

Repair of only anterior talofibular ligament resulted in similar outcomes to those of repair of both anterior talofibular and calcaneofibular ligaments

Zeitschrift:
Knee Surgery, Sports Traumatology, Arthroscopy
Autoren:
Kyung Rae Ko, Won-Young Lee, Hyobeom Lee, Hee Seol Park, Ki-Sun Sung
Wichtige Hinweise

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s00167-018-5091-3) contains supplementary material, which is available to authorized users.

Abstract

Purpose

To compare the surgical outcomes of the two different ankle stabilization techniques.

Methods

This randomized controlled trial aimed to compare the outcomes of the modified Broström procedure with [calcaneofibular ligament (CFL) group] or without CFL repair [anterior talofibular ligament (ATFL) only group]. Of the 50 patients randomly assigned to two groups, 43 were followed up prospectively for ≥ 2 years (CFL group: 22 patients, 36.6 ± 13.1 months; ATFL Only group: 21 patients, 35.3 ± 11.9 months). Functional outcomes were assessed using the Karlsson–Peterson and Tegner activity level scoring systems. Anterior talar translation (ATT), talar tilt angle (TTA), and degrees of displacement of the calcaneus against the talus on stress radiographs were measured. All parameters were compared between the two groups. Multiple regression analysis setting the postoperative Karlsson–Peterson score as the dependent variable was performed to determine the significant variable.

Results

There were no significant differences between the two groups in functional (Karlsson–Peterson and Tegner activity level) scores at the last follow-up and their changes. There were no significant differences between the two groups in the ATT, TTA, their differences compared with the contralateral ankles, and degrees of displacement of the calcaneus against the talus at the last follow-up. Osteochondral lesion of the talus rather than CFL repair was the significant variable related to functional outcome.

Conclusion

The modified Broström procedure with additional CFL repair did not result in a significant advantage in any measured outcome at 3 years.

Level of evidence

Randomized controlled trial, Level I.

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Zusatzmaterial
Supplementary material 1 (DOCX 16 KB)
167_2018_5091_MOESM1_ESM.docx
Literatur
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