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Pelvic Osteotomies in Patients With Developmental Dysplasia of the Hip
Reorientation pelvic osteotomy may be performed in young patients (45 years or younger) with symptomatic hip dysplasia who do not have excessive proximal migration of the hip center and who have no more than mild degenerative changes of the articular surface. Severe secondary arthritic changes of the dysplastic hip portend a poor outcome after reorientation osteotomy. The primary abnormality in most patients with hip dysplasia is located on the acetabular side of the joint, although femoral-sided pathology is increasingly recognized. Pelvic osteotomy with reorientation of the acetabulum corrects the major anatomic abnormality that results in undercoverage of the femoral head and is present in most patients with hip dysplasia.