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Contemporary total hip arthroplasty with and without cement in patients with osteonecrosis of the femoral head: A concise follow-up, at an average of seventeen years, of a previous report

Title
Contemporary total hip arthroplasty with and without cement in patients with osteonecrosis of the femoral head: A concise follow-up, at an average of seventeen years, of a previous report
Authors
Kim Y.-H.Kim J.-S.Park J.-W.Joo J.-H.
Ewha Authors
김영후김준식박장원
SCOPUS Author ID
김영후scopus; 김준식scopus; 박장원scopus
Issue Date
2011
Journal Title
Journal of Bone and Joint Surgery - Series A
ISSN
0021-9355JCR Link
Citation
vol. 93, no. 19, pp. 1806 - 1810
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We previously evaluated ninety-eight consecutive patients (148 hips) at mean of 9.3 years after total hip arthroplasty; the mean age at the time of the index surgical procedure was 47.3 years. Fifty patients (100 hips) had simultaneous bilateral arthroplasty with a cemented stem in one hip and a cementless stem in the contralateral hip. Forty-eight patients (forty-eight hips) had unilateral hip arthroplasty with a cementless stem. All patients had a cementless acetabular component. In our first report, we found no difference in clinical results, as measured with the Harris hip score and the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), between the cementless and cemented stems. One hip (2%) in the hybrid group (a cementless cup and a cemented stem) had revision because of infection and two hips (2%) in the fully cementless group had revision of the femoral component because of a periprosthetic fracture. Between the time of follow-up in that study (at a mean of 9.3 years) and the time of follow-up in the present study (at a mean of 17.3 years), twenty-two revisions of acetabular components were performed, with eight in the hybrid group and fourteen in the fully cementless group. There was no difference in clinical results, as measured with the Harris hip score and the WOMAC, between the hybrid and fully cementless groups. At the time of the present review, forty (83%) of forty-eight acetabular components in the hybrid group and eighty (85%) of ninety-four acetabular components in the fully cementless group were intact. Most of the femoral components (98%) in both groups were intact. Wear and periacetabular osteolysis were the causes of failure in the hips requiring revision. Level of Evidence: Therapeutic Level IV. See Instructions to Authors for a complete description of levels of evidence. Copyright © 2011 by The Journal of Bone and Joint Surgery, Incorporated.
DOI
10.2106/JBJS.J.01312
Appears in Collections:
의학전문대학원 > 의학과 > Journal papers
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