Abstract

BACKGROUND With the development of arthroscopy and suture anchor, the modified Brostrӧm technique has made remarkable progress. However, it is unclear which material is most suitable for treating anterior talofibular ligament injury (ATFL). This study evaluated the short-term efficacy of 2 suture anchors (metal vs biodegradable materials) in arthroscopic ATFL repair. MATERIAL AND METHODS From January 2018 to December 2019, 82 patients with ankle disorders (51 men and 31 women) with ATFL injury received arthroscopic repair with suture anchor through the Brostrӧm-Gould procedure. The mean age was 38.70±9.35 years (range, 18-54 years). Each patient was followed up. American Orthopedic Foot and Ankle Society score (AOFAS), Karlsson Ankle Functional Score (KAFS), and the Visual Analogue Scale (VAS) were used to evaluate functional status and pain. RESULTS All patients were followed up for 21.21±2.19 months (range, 18-25 months). No complications were found either group. Preoperative clinical and functional scores in both groups had no significant difference (P>0.05). The functional score increased significantly in both groups (P<0.001). At the last follow-up, the mean AOFAS score was 93.00 (90.00, 96.00) in the Biodegradable group and 93.50 (91.00, 96.00) in the Metallic group (P=0.31). The mean KAFS score was 91.50 (85.00, 95.00) in the Biodegradable group and 93.00 (90.00, 95.50) in the Metallic group (P=0.10); the mean VAS score was 1.50 (1.00, 1.80) in the Biodegradable group and 1.30 (0.98, 1.70) in the Metallic group (P=0.22). CONCLUSIONS Arthroscopic repair of ATFL injury with suture anchors can improve the prognosis of CAI. There were no statistically significant differences in clinical and functional outcomes with metal or biodegradable suture anchors at short-term follow-up.

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