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  • Title: Minimally invasive retrocapital osteotomy of the first metatarsal in hallux valgus deformity.
    Author: Magnan B, Samaila E, Viola G, Bartolozzi P.
    Journal: Oper Orthop Traumatol; 2008 Mar; 20(1):89-96. PubMed ID: 18338122.
    Abstract:
    OBJECTIVE: Percutaneous retrocapital distal osteotomy of the first metatarsal for surgical treatment of hallux valgus. INDICATIONS: Mild to moderate hallux valgus deformity in both juveniles and adults. Recurrent hallux valgus deformity after previous surgery. CONTRAINDICATIONS: Severe degenerative changes of the first metatarsophalangeal joint (hallux valgus et rigidus). Previous Keller's procedure. SURGICAL TECHNIQUE: A percutaneous distal linear osteotomy of the first metatarsal is performed and stabilized with a Kirschner wire. The surgical technique follows these steps: distal Kirschner wire insertion; skin incision; sparse periosteal detachment; distal retrocapital osteotomy of the first metatarsal; correction of the first intermetatarsal angle by lateral displacement of the capital fragment; stabilization with Kischner wire insertion into the proximal metatarsal; postoperative taping. RESULTS: The patients were satisfied following 107 (91%) of 118 consecutive percutaneous procedures with a follow-up of 35.9 months (range 24-78 months). According to the American Orthopaedic Foot and Ankle Society (AOFAS) hallux metatarsophalangeal-interphalangeal scale for the clinical assessment, a mean score of 88.2 +/- 12.9 was obtained at follow-up. The clinical results can be compared to those obtained with open techniques, with the advantages of a minimally invasive procedure.
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