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Long-term results of the cementless porous-coated anatomic total hip prosthesis

Title
Long-term results of the cementless porous-coated anatomic total hip prosthesis
Authors
Kim Y.-H.
Ewha Authors
김영후
SCOPUS Author ID
김영후scopus
Issue Date
2005
Journal Title
Journal of Bone and Joint Surgery - Series B
ISSN
0301-620XJCR Link
Citation
vol. 87, no. 5, pp. 623 - 627
Indexed
SCOPUS WOS scopus
Abstract
Between January 1984 and January 1986, 131 porous-coated anatomic total hip replacements were performed in 119 consecutive patients. Of these, 100 patients (110 hips) who were alive at a minimum of 18 years after replacement were included in the study. 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). 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. © 2005 British Editorial Society of Bone and Joint Surgery.
DOI
10.1302/0301-620X.87B5.15554
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의학전문대학원 > 의학과 > Theses_Master
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