A small Series of Total Hip Replacement introduced by Charnley and Müller

概要

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Since 1974 we have performed total hip replacement proposed by Charnley and Müller on 16 patients or 20 joints including 11 cases of osteoarthrosis of the hip joint (15 joints), three cases of salvage operation follwing intracapsular fracture of the neck of femur and two cases of necrosis of the head of femur. The average age of the patients was 50 years, ranging from 35 to 67 years. The follow-up study for six to 23 months, one year on the average, revealed a marked improvement in 16 cases, from preoperative 50 points to postoperative 85 points according to the clinical evaluation standard recommended by the Third ad hoc Committee of Japan Orthopedic Society. The grades of satisfaction by patients themselves were also high, 94 per cent of them expressing Grade A and B. There was, however, one case of recurrent pain owing to loosening 22 months after the operation.This was fortunately corrected by a revisionary operation, but there remains a possibility that similar cases could be expected in future.Therefore, one should be cautious in reducing the age limit for this operation, even though the satisfaction grades of the operated patients were favorable.