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Background <p>Chronic lateral ankle instability (CLAI) is a common condition caused by recurrent ankle sprains, leading to persistent pain and functional impairment. Surgical treatments, including the modified Broström repair and lateral ligament augmentation, aim to restore stability and function. This meta-analysis compares the outcomes of these two interventions, focusing on talar tilt angle (TTA), anterior talar translation (ATT), functional scores, and adverse event incidence.</p> Methos <p>In this meta-analysis, we searched PubMed, Embase, Cochrane Library, CNKI, Wanfang, CQVIP, and CBM databases from their inception to Dec 2024. We included studies comparing lateral ligament augmentation with modified Broström repair in treating CLAI, excluding animal studies, reviews, and publications with incomplete data. Data were analyzed using Review Manager 5.3.</p> Results <p>Eight RCT studies with a total of 425 patients were included. The results showed that lateral ligament augmentation significantly improved both TTA and ATT compared to modified Broström repair, indicating better mechanical stability. Functional outcomes were also better in the augmentation group as measured by FAOS, though no significant differences were found in the FAAM scores. The incidence of adverse events was similar between the two interventions.</p> Conclusion <p>Lateral ligament augmentation demonstrates superior mechanical stability and functional outcomes compared to the modified Broström repair in treating CLAI. However, both procedures show similar rates of adverse events, and further high-quality studies are needed to confirm these findings.</p>

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Efficacy and safety of lateral ligaments augmentation and modified Brostrom repair in the treatment of chronic lateral instability of the ankle joint: a meta-analysis

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年1月14日

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  • Kangming Ruan,
  • Qingping Liu,
  • Zhen Lin,
  • Lingfang Liu,
  • Dongfeng You,
  • Dengbin Guo

摘要

Background

Chronic lateral ankle instability (CLAI) is a common condition caused by recurrent ankle sprains, leading to persistent pain and functional impairment. Surgical treatments, including the modified Broström repair and lateral ligament augmentation, aim to restore stability and function. This meta-analysis compares the outcomes of these two interventions, focusing on talar tilt angle (TTA), anterior talar translation (ATT), functional scores, and adverse event incidence.

Methos

In this meta-analysis, we searched PubMed, Embase, Cochrane Library, CNKI, Wanfang, CQVIP, and CBM databases from their inception to Dec 2024. We included studies comparing lateral ligament augmentation with modified Broström repair in treating CLAI, excluding animal studies, reviews, and publications with incomplete data. Data were analyzed using Review Manager 5.3.

Results

Eight RCT studies with a total of 425 patients were included. The results showed that lateral ligament augmentation significantly improved both TTA and ATT compared to modified Broström repair, indicating better mechanical stability. Functional outcomes were also better in the augmentation group as measured by FAOS, though no significant differences were found in the FAAM scores. The incidence of adverse events was similar between the two interventions.

Conclusion

Lateral ligament augmentation demonstrates superior mechanical stability and functional outcomes compared to the modified Broström repair in treating CLAI. However, both procedures show similar rates of adverse events, and further high-quality studies are needed to confirm these findings.