Osteotomy of the proximal femur is performed to treat numerous hip pathologies in order to improve the load axis of the coxofemoral joint, thus improving coverage of the femoral head; despite this, arthrosis-related pathology may progress, and this nearly always results in hip arthroplasty. Many authors report that the time interval between osteotomy and arthroplasty is approximately 5 to 10 years. It is the purpose of this study to evaluate the complications and the clinical and radiographic results of hip arthroplasty performed after proximal femoral osteotomy, comparing them with a control group for hip arthroplasty without previous osteotomy.
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