Reduction by Pelvic External Fixator Followed by Innominate and Derotational Femoral Osteotomies for Late Presenting Bilateral Developmental Dysplasia of the Hip

Abstract

Introduction Bilateral developmental dysplasia of the hip is a challenging situation, closed and open reduction with or without pelvic and femoral osteotomies are all proposed. Methods We investigated the feasibility of closed ilizarov reduction combined with Salter and femoral osteotomy to provide stable concentric hips. Results We retrospectively reviewed 19 patients (38 hips). Tonnis Criteria, acetabular index and Center-edge angle were measured preoperatively and postoperatively. Acetabular index changed significantly (P<0,001), 80% were excellent or good according to Mckay, 25% were Ia and 69% were IIa Severin's criteria with at least three years follow-up. Conclusion The midterm overall results are favorable for application of this technique.