Abstract
This study investigated the degree of acetabular and femoral remodeling after isolated varus derotation osteotomy (VDRO) in children with cerebral palsy. This retrospective review investigated 56 children (103 hips) who underwent VDROs for spastic hip displacement between 1994 and 2007. The average age of the patients at surgery was 7.7 years and the follow-up duration was 7.8 years (range 5-11 years). The acetabular index showed a significant linear decrease (P<0.001), with children of less than 6 years showing the greatest correction (P<0.001). VDRO without pelvic osteotomy does result in a mild improvement in acetabular dysplasia over time, with greater rates of correction found in children of less than 6 years old. Therapeutic Study - Level IV.
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