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Subcapital oblique osteotomy for correction of bunionette deformity: medium-term results
Minton Truitt Cooper1, Michael J Coughlin
1Tuckahoe Orthopaedic Associates, Richmond, VA, USA.
Background:
Many procedures have been described for correction of bunionette deformity. For symptomatic type I deformity, the authors have routinely performed a subcapital oblique osteotomy of the fifth metatarsal. The purpose of this study was to report the medium-term results of this procedure.
Methods:
This is a retrospective review of patients who underwent subcapital oblique osteotomy for correction of type I bunionette deformity. Patients were evaluated radiographically and clinically. Sixteen feet in 14 patients were available at final follow-up.
Results:
At a mean 2.9-year follow-up, 88% of patients had good or excellent clinical result, 88% of patients had no limitation in activity, and mean pain score on a visual analog scale was 1.6 out of 10. Radiographically, a statistical difference was found when we compared the preoperative and 6-week follow-up fifth metatarsophalangeal angle; however, no statistical difference was found in the fourth to fifth intermetatarsal angle at any time or in comparison of the preoperative and final follow-up fifth metatarsophalangeal angles.
Conclusion:
We found the subcapital oblique osteotomy of the fifth metatarsal to provide reliable clinical results for correction of painful type I bunionette deformity.
Level Of Evidence:
Level IV, retrospective case series.