期刊
JOURNAL OF ORTHOPAEDIC SURGERY
卷 22, 期 1, 页码 75-79出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/230949901402200119
关键词
arthroplasty, replacement, knee; zirconium oxide
Purpose. To report the early results of the Oxinium Genesis II prosthesis with an oxidised zirconium femoral component in 55 patients. Methods. 71 knees in 21 men and 34 women aged 32 to 75 (mean, 55) years were evaluated; 16 of the patients had bilateral staged total knee replacements with a mean interval of 9 (range, 6-16) months between surgeries. The indications for surgery included osteoarthritis (n=57), rheumatoid arthritis (n=13) and revision from a unicompartmental knee replacement for osteoarthritis (n=1). Postoperatively, patients were evaluated using the Knee Society score (KSS), the modified Oxford Knee Score, and the SF-12 health survey, as were component position, leg and knee alignment, and prosthesis-bone interface or fixation on radiographs. Results. The mean follow-up was 62 (range, 51-88) months. The mean KSS, Oxford Knee Score, and SF-12 physical component score improved significantly. Radiolucent lines (<2 mm) were noted in the tibial cement-bone interface in 17 knees (most commonly in zones 4 and 1) and in the femoral cement-bone interface in one knee. The alignment of the knees and positioning of the components were acceptable. There were no revisions for septic or aseptic loosening. Conclusion. Early results of the Oxinium Genesis II prosthesis are comparable to the standard total knee prostheses.
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