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Erschienen in:
01.05.2013 | Original Article
Proximal abduction–supination osteotomy of the first metatarsal for adolescent hallux valgus: a preliminary report
Erschienen in: Journal of Orthopaedic Science | Ausgabe 3/2013
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Background
Surgical treatment of adolescent hallux valgus has been a challenging intervention because of high rates of postoperative recurrence. The purposes of this study were to describe a proximal abduction–supination osteotomy of the first metatarsal and prospectively review preliminary results of this procedure for correction of adolescent hallux valgus.
Methods
Eleven patients (12 feet) who had had a proximal abduction–supination osteotomy of the first metatarsal combined with a distal soft-tissue procedure to correct an adolescent hallux valgus deformity were prospectively reviewed clinically and radiologically. The average duration of follow-up was 22 months. The average age at the time of surgery was 17 years.
Results
The mean score on the Japanese Society for Surgery of the Foot standard rating system for hallux improved significantly, from 62.0 points preoperatively to 99.2 points postoperatively (p = 0.002). All patients were satisfied and would choose to have the same procedure again. The mean hallux valgus angle decreased significantly, from 32.3° preoperatively to 12.2° postoperatively (p = 0.002); mean intermetatarsal angle decreased significantly from 14.0° preoperatively to 6.2° postoperatively (p = 0.002). No feet had postoperative recurrence of hallux valgus (a hallux valgus angle ≥20°). There were no occurrences of nonunion or transfer lesions.
Conclusions
The clinical and radiological results of this study demonstrate that a proximal abduction–supination osteotomy with a distal soft-tissue procedure, which described in this study, achieved significant correction of an adolescent hallux valgus deformity, significant improvement in pain and function, and reduction in rate of recurrence.