Journal
JOURNAL OF ARTHROPLASTY
Volume 28, Issue 9, Pages 168-171Publisher
CHURCHILL LIVINGSTONE INC MEDICAL PUBLISHERS
DOI: 10.1016/j.arth.2013.08.019
Keywords
unicompartmental knee arthroplasty; clinical results; osteoarthritis mobile bearing; Oxford UKA
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There are few reports of the Oxford unicompartmental knee arthroplasty (UKA) survival rate in Asia. This study describes outcomes of 1279 Oxford UKAs for Japanese patients. The mean follow-up was 5.2 years. We divided patients into two groups based on preoperative indications (extended indications group and strict indications group). The Oxford knee score improved from 223 to 40.8 (P = 0.041). The 10-year survival rate using revision was 95%. A total of 25 UKAs (2.0%) required revision. The most common reason was subsidence of tibial component. The 5-year cumulative survival rate of the strict indications group was significantly higher than that of the extended indications group (99.1% vs. 93.8%, P < 0.001). When we followed inclusion criteria strictly, good clinical results were achieved in Asia. (C) 2013 Elsevier Inc. All rights reserved.
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