Abstract
Background:
An augmented Broström repair with nonabsorbable suture tape has demonstrated strength and stiffness more similar to the native anterior talofibular ligament (ATFL) compared to Broström repair alone at the time of repair in cadaveric models for the treatment of lateral ankle instability. The study purpose was to compare minimum 2-year patient-reported outcomes (PROs) following treatment of ATFL injuries with Broström repair with vs without suture tape augmentation.
Methods:
Between 2009 and 2018, patients >18 years old who underwent primary surgical treatment for an ATFL injury with either a Broström repair alone (BR Cohort) or Broström repair with suture tape augmentation (BR-ST Cohort) were identified. Demographic data and PROs, including Foot and Ankle Ability Measure (FAAM) with activities of daily living (ADL) and sport subscales, 12-Item Short Form Health Survey (SF-12), Tegner Activity Scale, and patient satisfaction with surgical outcome, were compared between groups, and proportional odds ordinal logistic regression was used.
Results:
Ninety-one of 102 eligible patients were available for follow-up at median 5 years. The BR cohort had 50 of 53 patients (94%) completed follow-up at a median of 7 years. The BR-ST cohort had 41 of 49 (84%) complete follow-up at a median of 5 years. There was no significant difference in median postoperative FAAM ADL (98% vs 98%, P = .67), FAAM sport (88% vs 91%, P = .43), SF-12 PCS (55 vs 54, P = .93), Tegner score (5 vs 5, P = .64), or patient satisfaction (9 vs 9, P = .82). There was significantly higher SF-12 MCS (55.7 vs 57.6, P = .02) in the BR-ST group. Eight patients underwent subsequent ipsilateral ankle surgery, of which one patient (BR-ST group) was revised for recurrent lateral ankle instability.
Conclusion:
At median 5 years, patients treated for ATFL injury of the lateral ankle with Broström repair with suture tape augmentation demonstrated similar patient-reported outcomes to those treated with Broström repair alone.
Level of Evidence:
Level II, retrospective cohort study.
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