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The mean age of the patients at surgery was 48.4 years and that of surviving patients at the latest follow-up was 67.8 years. The mean duration of the clinical and radiological follow-up was 19.4 years (18 to 20). <\/jats:p><jats:p> The mean Harris hip score initially improved from 55 points before to 95 points at two years after operation, but subsequently decreased to 91 points after six years, 87 points after 11.2 years, and 85 points after 19.4 years. At the final follow-up, 23 hips (18%) of the entire cohort and 21% of survivors had undergone revision because of loosening or osteolysis of the acetabular component and eight hips (6%) of the entire cohort and 7% of survivors for loosening or osteolysis of the femoral component. Only four femoral components (4%) were revised for isolated aseptic loosening without osteolysis and two (2%) for recurrent dislocation. On the basis of these long-term results, the porous-coated anatomic femoral component survived for a minimum of 18 years after operation while the acetabular component was less durable. The findings identify the principles of uncemented joint replacement which can be applied to current practice. <\/jats:p>","DOI":"10.1302\/0301-620x.87b5.15554","type":"journal-article","created":{"date-parts":[[2005,4,26]],"date-time":"2005-04-26T18:53:15Z","timestamp":1114541595000},"page":"623-627","source":"Crossref","is-referenced-by-count":74,"title":["Long-term results of the cementless porous-coated anatomic total hip prosthesis"],"prefix":"10.1302","volume":"87-B","author":[{"given":"Y.-H.","family":"Kim","sequence":"first","affiliation":[{"name":"The Joint Replacement Centre of Korea, Ewha Womans University Dong Dae Mun Hospital, 70 ChongRo 6-Ga, ChongRo-Gu, Seoul 110-783, Korea."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"42","reference":[{"key":"R1","doi-asserted-by":"crossref","unstructured":"Callaghan JJ, Dysart SH, Savory CG. The uncemented porous-coated anatomic total hip prosthesis: two-year results of a prospective consecutive series. 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