Cementless hemispheric acetabular component for acetabular revision arthroplasty: a 5- to 19-year follow-up study |
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Authors: | Lian Yong-Yun Yoo Myung-Chul Pei Fu-Xing Kim Kang-Il Chun Sung-Wook Cheng Jing-Qiu |
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Institution: | Department of Orthopaedic Surgery, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China. |
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Abstract: | This study evaluated the 5- to 19-year clinical and radiographic results of cementless acetabular revision. Between 1986 and 1998, 130 hips (125 patients) underwent cementless acetabular revisions. Ten patients were lost to follow-up; 6 patients died. One hundred nine patients (114 hips) were reviewed at a mean follow-up of 8.8 years. The mean Harris hip score improved from 62.1 to 90.7 at final follow-up. Two hips underwent repeat revision. Twenty-two hips developed cavitary osteolysis. Kaplan-Meier survivorship at 121 months was 98.2% with repeat revision for any reason as the end point and 89.5% with repeat revision or radiographic loosening as the end point. Cementless acetabular revision provides favorable clinical and radiographic results, and the initial disease and age may adversely affect the outcomes. |
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Keywords: | hip cementless total hip arthroplasty acetabular revision survivorship |
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