In the past several years, total: hip replacement arthroplasty has become an;´establisled procedure in the management of painful artfiTitic hips in older adults. It is still ´gaining´S´~3n increasing popularity as experience has accumulated and indications broadened.
The authors reviewed the, first 47 total.~hip~ replacement arthroplasties in 41 patients performed at the Department of Orthopedic Surgery, Seoul National. Univerity Hospital, during the :period of 4 years and 8 months, from April 1972 to November 1976.
The longest follow-up was 4 years and $months and the shortest 1 month, the average being 2 years and 1 month. The youngest age was 17 years and the oldest 71 years, the average being 41 years. There were 26 males and 15 females.
The underlying etiology was as follows: primary osteoarthritis 4 hips, avascular necrosis 12 hips, septic hip residua 18 hips (pyogenic 11 hips, tuberculosis 7 hips), rheumatoid arthritis 3 hips, failed previous operation 3 hips (failed endoprosthesis 2 hips, failed total hip replacement _1 hip), secondary osteoarthritis 5 hips (congenital dislocation 4 hips, Legg-Perthes disease I hip), and nonunion of femoral neck 2 hips.
Following types of prosthesis were used; Sbarbaro 3, Charnley 8 (including custom-made extra-long, narrow stem and extra-small stem prostheses), Muller 22, and Trapezoidal-28 14.
The results were evaluated by the methods of Harris and d´Aubigne, both preoperatively and postoperatively. In the average, Harris` score improved from 57 to 92 (gains of 35) and the d´Aubigne rating from 10.4 to 16.8 (gains of 6.2) following operations
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