Metatarsal neck osteotomy with proximal interphalangeal joint resection fixed with a single temporary pin.
BACKGROUND: Screws have been recommended for fixation of the site of the metatarsal osteotomy. METHODS: A report is presented on one surgeon's experience with a temporary, single Kirschner wire instead of screws for fixation of metatarsal neck osteotomies combined with proximal interphalangeal (PIP) joint resection arthroplasty in patients with dislocated metatarsophalangeal (MTP) joints and severe hammertoe deformities. Eleven consecutive patients (13 toes) were treated between January 1999 and January 2002 (mean age, 69 years; range, 44-81 years; seven women, four men) at a tertiary care foot and ankle center. Records and radiographs were reviewed retrospectively, and all patients were examined at follow-up by one of the authors (mean follow-up, 13 months; range, 6-32 months). RESULTS: All 13 metatarsal neck osteotomies had clinical and radiographic union by 6 weeks, with no evidence of nonunion, malunion, avascular necrosis of the metatarsal head, deep wound infection, pin-tract infection, broken pins, or other serious complications. Two metatarsals (18%) had minor residual plantar calluses beneath the metatarsal head. The mean postoperative American Orthopaedic Foot and Ankle Society score was 76 of 95 points possible. All patients were satisfied with the procedure and would do it again. CONCLUSION: The use of a single, temporary K-wire provides adequate fixation for combined PIP joint resection arthroplasty and metatarsal neck osteotomy in patients with central metatarsalgia and severe hammertoe deformity.
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