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Transverse medial slide osteotomy for bunionette deformity: long-term results
Stefan Weitzel1, Hans-Joerg Trnka, Jason Petroutsas
1Queen Mary's Hospital, Sidcup, London, United Kingdom. stefan.weitzel@qms.nhs.uk
Background:
Bunionette deformity of the fifth metatarsal infrequently requires operative treatment. This study presents the long-term results of a simple operative technique.
Methods:
Forty-four distal metatarsal medial slide osteotomies with pin fixation were performed for symptomatic bunionette deformity in 30 patients. After an average of 7 years and 8 months (range 69 to 110 months), 30 feet in 21 patients were available for clinical and radiographic evaluation.
Results:
The patients' subjective assessment was excellent and good in 81% and fair and poor in 19% of feet. The mean pain score on a visual analogue scale was 1.8 (range 0 to 7) and the mean American Orthopaedic Foot and Ankle Society (AOFAS) score was 88.2 (range 47 to 100). Postoperative complications included pin track infection in three feet and delayed union in one. One patient developed transfer metatarsalgia and another patient had repeat surgery for recurrent symptoms on both feet after 5 years.
Conclusions:
This procedure combines technical simplicity with satisfactory and predictable long-term results in the operative treatment of bunionette deformity in the lateral forefoot.