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문경호 ( Kyoung Ho Moon ),박승림 ( Seung Rim Park ),김형수 ( Hyoug Soo Kim ),강준순 ( Joon Soon Kang ),김명호 ( Myung Ho Kim ),최현 ( Hyoun Choi ) 대한고관절학회 1994 Hip and Pelvis Vol.6 No.1
We reviewed the results of the 71 cases of total hip replacements that had been done with the P-M type cementless total hip prosthesis for 60 patients. This type of prosthesis consist of threaded acetabular component and anatomically adapted femoral stem. The following check-up for more than two year to 5 years(average 40 months) at the Department of Orthopedic Surgery, Inha General hospital, Inha med- ical school, during the period of Jan. 1987 to Dec. 1992. The result were followings; 1. Modified Harris hip score wps 39.4 before operation but it raised to average 86 after 4 years of operation and it become decreased after on. 2. The pain in the thigh were shown on 15 patients(21%) of the patients after 2 years of surgery as more than the slight pain, then in increased aftertime. 3. The fixation of femoral stem consisted with 27(38.0%) of excellent fixation, 30(42.3%) of good fixation, and 14 cases(20.7%) of poor fixation. 4. The 12 cases(16.9%) showed more than 2mm of radiolucent zone around the femoral stem. 5. The 13 cases(18.3%) showed more than 5mm of vertical subsidence, and the ver- tical subsidence frequently occured with poor fixation of the femoral stem on the radiographic image(P<0.05), and function of the hip joint was decreased thereafter (P=0. 0199).