Total hip arthroplasty with the use of nonmodular cementless acetabular component |
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Authors: | Kim Shin-Yoon Kim Do-Heon Oh Chang-Wug Kim Poong-Taek Ihn Joo-Chul Kim Suk-Young |
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Affiliation: | Department of Orthopedic Surgery, Kyungpook National University, School of Medicine, Jung-gu, Daegu, Korea. |
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Abstract: | Sixty-seven hips in 63 patients who underwent total hip arthroplasties with the use of the nonmodular cementless acetabular component and alumina-on-polyethylene bearing surface were available for complete clinical and radiographic review at a mean follow-up period of 7 (range 5-9) years. The mean age was 59 years (range 34-75) years. The mean preoperative Harris hip score of 50 points improved to 93 points at final follow-up. One (1.5%) hip required revision for a recurrent dislocation. No component was loose radiographically at final follow-up. The mean linear wear rate was 0.07 (range 0.01-0.23) mm/y. At a mean follow-up of 7 years, there was no aseptic loosening. Further follow-up, however, is necessary to determine the potential advantage of nonmodular acetabular component for the development of pelvic osteolysis. |
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