Multicenter study of unicompartmental knee revision
Open Access
- 1 January 1992
- journal article
- clinical trial
- Published by Medical Journals Sweden AB in Acta Orthopaedica
- Vol. 63 (3), 256-259
- https://doi.org/10.3109/17453679209154777
Abstract
The prospective Swedish Knee Arthroplasty Project contained 772 PCA, 1564 Marmor and 1441 St Georg unicompartment prostheses, implanted for gonarthrosis during the period December 1983 – July 1990. Follow-up was performed in September 1991. There was a significant difference in the cumulative revision rate after only 2 years, increasing to 15 percent for the PCA, compared with 5–7 percent for the two other types. The difference between PCA and Marmor/St Georg was loosening of the femoral component. Major polyethylene wear was noted in a quarter of the revised PCA tibial components. The wear pattern of Marmor/St Georg was not analyzed in this study.Keywords
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