Clinical Outcomes of Open-Wedge Varus Derotation Osteotomy in Legg-Calve-Perthes Disease Among 6-12-Year-Old Children.

Background Legg-Calve-Perthes (LCP) disease during early childhood might lead to impaired blood circulation to the femoral head causing osteoarthritis and avascular necrosis of the femoral head. In most cases of children diagnosed after the age of nine years, the progression of LCP disease is associated with poor outcomes causing disability. This study aimed to evaluate the clinical and radiological outcomes of varus derotation osteotomy in children with LCD disease with a late presentation at 6-12 years of age.