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  • Title: Rotational acetabular osteotomy with a resection of the lateral edge of the acetabulum for the treatment of advanced coxarthrosis.
    Author: Okano K, Enomoto H, Osaki M, Shindo H.
    Journal: Arch Orthop Trauma Surg; 2008 Apr; 128(4):393-7. PubMed ID: 17641904.
    Abstract:
    INTRODUCTION: We compared the functional and radiological results of a rotational acetabular osteotomy (RAO) with and without a resection of the lateral edge of the acetabulum. The purpose of the resection was to obtain good joint congruency. MATERIALS AND METHODS: RAO was performed on 71 hips to treat advanced coxarthrosis caused by acetabular dysplasia. RAO without a resection (non-resection group) was performed in 54 patients (57 hips) with a median age of 43.1 years. The remaining 14 patients (14 hips), who had a median age of 44.6 years, received RAO with a resection of the lateral edge of the acetabulum (resection group). RESULTS: The average postoperative total hip joint score was better than the average preoperative score in the non-resection group (P < 0.001), but not in the resection group. In the resection group, all hips displayed progressive osteoarthritic change and ten hips had chondrolysis of the hip joint and a collapse of the transferred acetabulum within 3 years. In the non-resection group, 15 hips showed progressive osteoarthritic change, 24 hips had no change, and 18 hips showed a decrease in the osteoarthritic stage. CONCLUSION: Our findings demonstrated that resection of the lateral edge of the acetabulum is not a useful adjunct to the RAO procedure for the treatment of advanced coxarthrosis.
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