Abstract
Chronic peroneal tendon dislocation is an uncommon disorder that frequently presents
with concomitant pathology. Posterior fibular groove deepening and retinaculum repair
have been increasing in popularity for treatment of peroneal tendon dislocations.
The purpose of the present study was to introduce a posterior fibular groove deepening
procedure using low-profile snap-off screws to securely and simply fix the fibrocartilaginous
flap to facilitate faster rehabilitation and to assess the clinical outcomes of patients
with chronic peroneal tendon dislocation and associated pathologic features. In the
present retrospective case series, 34 ankles in 34 patients underwent the fibular
groove deepening procedure using low-profile screws with superior peroneal retinaculum
repair. The clinical outcomes were evaluated using the American Orthopaedic Foot and
Ankle Society (AOFAS) ankle-hindfoot scale and patient subjective satisfaction rate.
The time of return to recreational and sports activities was also assessed. Weightbearing
ankle radiographs were evaluated to assess the stability of the flap by checking the
screws. The mean follow-up period was 47.96 (range 12 to 142) months. The mean AOFAS
scale score for all patients improved from 69.96 ± 13.14 to 87.72 ± 10.13 at the last
follow-up examination (p < .001). Overall, 85.3% of patients subjectively rated their operative outcomes as
excellent or good. The 18 (52.9%) patients with an isolated peroneal tendon dislocation
had a faster return to recreational or sports activities than the 16 (47.1%) patients
with concomitant pathologic features (2.95 ± 0.19 versus 4.14 ± 1.34 months; p = .002). No patient experienced residual dislocation, screw loosening, or irritation
from the screws. The fibular groove deepening procedure using low-profile screws is
be a simple procedure that offers rigid fixation. This leads to relatively fast rehabilitation
and resumption of recreational or sports activities.
Level of Clinical Evidence
Keywords
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Article info
Publication history
Published online: December 19, 2017
Footnotes
Financial Disclosure: None reported.
Conflict of Interest: None reported.
Identification
Copyright
© 2017 by the American College of Foot and Ankle Surgeons. All rights reserved.
