It is not known how peroneal tendon exploration influences results after modified Broström for lateral ankle instability. We propose peroneal exploration at the time of modified Broström will have similar outcomes as no peroneal exploration.
Methods:
A retrospective analysis was performed of patients undergoing modified Broström with and without peroneal exploration. Foot and Ankle Outcome scores and data regarding military retention were gathered and compared.
Results:
Seventeen patients were identified in the modified Broström only cohort and 24 in the peroneal exploration cohort. Patients had mean follow-up of 5 years in both cohorts. The mean FAOS in the modified Broström only cohort was 68 and 72 in the cohort with peroneal exploration (P = .541). When each FAOS subcategory was analyzed, no difference was identified in any subcategory. Eight of 17 patients (47%) in the modified Broström only cohort remained active duty compared with 8 of 24 patients (33%) in the modified Broström with peroneal exploration cohort (P = .518). One patient medically discharged in the modified Broström only cohort versus 6 in peroneal exploration cohort (P = .109). Overall satisfaction with the procedure was 12 of 17 (71%) in the modified Broström only cohort and 19 of 24 (79%) in the peroneal exploration cohort (P = .529).
Conclusions:
No significant difference was identified between patients undergoing modified Broström alone or modified Broström with peroneal exploration. There was no significant difference in return to duty, medical discharge or patient satisfaction.
Levels of Evidence:
Level III: retrospective case-control study with prospectively collected data
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