Cementless Total Hip Arthroplasty With Autologous Bone Grafting for Hip Dysplasia

The fate of autologous femoral head bone grafts in acetabular roof reconstruction for severely dyplastic hips was investigated in 25 patients (25 cementless total hip arthroplasties). Twenty patients were women and 5 were men, whose average age was 55 years old; their average followup was 58 months. The average Harris Hip Rating improved from a preoperative value of 49 points to a postoperative value of 85 points. Radiographic measurements did not indicate any vertical or horizontal socket migration >2 mm. The grafted bone was incorporated by an average time of 7 months, and the acetabular sclerosis had disappeared in 23 hips by 9.4 months. One year after operation, the grafted bone was reduced in size significantly. Radionuclide uptake at the site of the bone graft remained high for as long as 18 months after the operation, then normalized. The autologous acetabular bone grafts were incorporated completely and remodeled 18 months after surgery.

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