Valgus intertrochanteric osteotomy is an effective treatment for osteoarthritis of the hip in younger patients. However, the disadvantage of this osteotomy is the difficult stem insertion at the time of subsequent total hip arthroplasty. Sugioka designed transtrochanteric valgus osteotomy to overcome this disadvantage. The purpose of the present study was to report the short-term results after operateion. The results of the first 10 hips in patients were prospectively studied with a minimum of 6-months follow-up. All patients had a long history of hip pain. The average age at the time of operation was 45.7 years. All patients had a flexion arc of at least 80 degrees and at least 20 degrees of passive adducion. Preoperative radiographs of the patients showed an elliptical deformity of the femoral head associated with a well-developed infermedial osteophyte and improved congruence of the articular surfaces was demonstrated in full adduction. Operatve corrections averaged 19 degrees of valgus and 6 degrees of extension. Bone union of both the femoral and trochanteric osteotomies was obtained in all hips. Hip pain was relieved in all except one hip.
