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Functional Results of All-Inside Arthroscopic Broström-Gould Surgery With 2 Anchors Versus Single Anchor
Shi-Ming Feng1,2, Ai-Guo Wang1,2, Qing-Qing Sun1
1Hand and Foot Microsurgery Department, Xuzhou Central Hospital, Xuzhou Clinical College of Xuzhou Medical University, Xuzhou, Jiangsu, People's Republic of China.
Background:
The all-inside arthroscopic Broström-Gould technique gained particular attention among clinicians and researchers due to its high rate of satisfactory results. Thus far, there is a lack of evidence regarding the differences in clinical outcomes between the use of 1 anchor and 2 anchors. The purpose of this study was to compare the differences in clinical function and activity levels in patients treated with 1 or 2 anchors in all-inside arthroscopic Broström-Gould surgery for chronic lateral ankle instability (CLAI).
Methods:
The data of 75 patients with CLAI (unilateral) admitted from May 2013 to July 2016 were retrospectively analyzed. All patients were treated with all-inside arthroscopic Broström-Gould surgery. The patients were divided into a single-anchor group (n = 36) and double-anchor group (n = 39) according to the number of anchors used. There was no statistical difference in general characteristics between the 2 groups before surgery. After 36 to 72 months of follow-up, the pain visual analog scale (VAS) score, American Orthopaedic Foot & Ankle Society (AOFAS) score, Karlsson Ankle Functional Score (KAFS), and Foot and Ankle Outcome Score (FAOS) were used to evaluate and compare the clinical function results between the 2 groups.
Results:
The incidence of wound complications; reaction to the suture; injury to the nerve, blood vessel, or tendon; and length of postoperative hospitalization were similar between the 2 groups. At the last follow-up, there was no significant difference in the VAS and AOFAS scores between single- and double-anchor groups, but the KAFS and FAOS in the double-anchor group were significantly higher than in the single-anchor group. Additionally, more patients in the double-anchor group returned to preinjury sports activities.
Conclusion:
All-inside arthroscopic Broström-Gould surgery for the treatment of CLAI yielded a better functional effect and better recovery to preinjury mobility when 2 anchors were used instead of a single anchor.
Level Of Evidence:
Level III, comparative study.
