Modified Broström-Gould With Gracilis Autograft Augmentation Surgery and Accelerated Noncasted Rehabilitation in High Demand Patients With Lateral Ankle Instability.

Lateral ankle instability that has failed conservative management can be physically debilitating. Good outcomes are obtained from Broström-Gould augmented repair techniques, however there are few studies evaluating the use of a gracilis autograft augmentation coupled with an accelerated rehabilitation program in high functional demand patients. We believe that the modified Broström-Gould technique utilizing a Gracilis autograft will provide significant improvements in stability while maintaining normal ankle biomechanics in young, high demand patients. The prospective cohort study involved 19 patients (20 ankles) who underwent surgery for chronic lateral ankle instability by a single surgeon, at a single institution between October 2014 and April 2016. Patients were followed for 33.8 ± 11.7 (range 12-48) months. Patients were assessed both pre- and postoperatively for talar tilt angle radiographically and with both American Orthopaedic Foot and Ankle Society Ankle and Hindfoot scores and Karlsson-Peterson scores. A Tegner activity score was taken at the last follow-up. The mean American Orthopaedic Foot and Ankle Society score increased from 68.85 ± 10.57 to 91.56 ± 5.31 points (p < .01) and mean Karlsson-Peterson score increased from 50.9 ± 15.53 to 88.11 ± 8.64 points (p value <.01) when compared preoperatively to mean postoperative follow-up of 33.8 months. Tegner activity score was 7.05 ± 0.89 at last follow-up. The technique was found to be effective in treating chronic lateral ankle instability and in combination with an accelerated rehabilitation protocol, patients returned to their premorbid level of activity with improved stability and no significant effect on donor graft site morbidity.

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