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Revista Brasileira de Ortopedia

versão impressa ISSN 0102-3616

Resumo

SILVA, Robson Rocha da et al. Severe valgus deformity of the knee: description of new surgical technique for its correction. Rev. bras. ortop. [online]. 2012, vol.47, n.2, pp.251-256. ISSN 0102-3616.  http://dx.doi.org/10.1590/S0102-36162012000200018.

Varus supracondylar osteotomy of the femur is the established procedure for treating painful knees that present lateral arthrosis and valgus deformity. In descriptions of the conventional surgical techniques, there are divergences regarding the location, access route, correction level, fixation type and area for synthesis insertion. This is most evident in cases of severe valgus with angles greater than 30º and distal femoral deformation, in association with hypoplasia of the lateral condyle. The authors describe a new surgical technique for distal femoral osteotomy, based on anatomical and geometrical criteria, which was developed in their clinic for treating severe valgus cases, and they present one of the cases treated. In the new technique, the wedge to be surgically resected has an oblique direction and the format of an isosceles triangle. This new proposal thus seeks to resolve problems that have been presented in such cases, through enabling valgus correction without causing any new deformity of the distal femur. Good cortical bone contact is promoted, and application of a stable synthesis system is made easier. However, the age limits for such patients and the degree of knee arthrosis that might contraindicate this procedure remain unknown. Hence, a larger sample and longer follow-up for operated cases are required.

Palavras-chave : Osteotomy; Femur; Knee; Osteoarthritis.

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