Why the study?
Does varus-extension osteotomy prevent femoral head deformity in patients with Legg-Calvé-Perthes' disease aged ≥5 years with >50% femoral head involvement?
Population
Patients with Legg-Calvé-Perthes' disease (LCPD) aged ≥5 years who have >50% of femoral head involvement
Design
Review
Authors
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Should not yet change practice in Perthes disease; leaves open prospective trials to validate osteotomy choice and timing.
Does varus-extension osteotomy prevent femoral head deformity in patients with Legg-Calvé-Perthes' disease aged ≥5 years with >50% femoral head involvement?
Varus-extension osteotomy is recommended over derotation for early containment of the femoral head in specific pediatric patients with Legg-Calvé-Perthes' disease.
Bayliss et al. (1994) studied this question.