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The Journal of Arthroplasty, ISSN: 0883-5403, Vol: 20, Issue: 4, Page: 481-486
Knee
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Successful Biologic Fixation With Mobile-Bearing Total Knee Arthroplasty
Ivan S. Tarkin; Jay T. Bridgeman; O. Max Jardon; Kevin L. GarvinKnee
A popular rotating-platform total knee implanted with a cementless technique was studied to determine long-term durability of fixation. A total of 70 knees in 59 patients (34 men, 25 women) was included. The primary indication for surgery was osteoarthritis (80%). A total of 23 of the 70 knees was available at final follow-up (average, 16 years). Clinical and radiographic data suggested durable fixation. In addition, the entire cohort of patients was studied with Kaplan-Meier statistics. Survivorship with respect to aseptic loosening was 97% at 17 years. Only 1 of the 70 knees was revised for aseptic loosening. However, overall survivorship was 76%, which was primarily because of failures of the metal-backed rotating patella.
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