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 22.3 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.
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The Journal of Arthroplasty, Volume 28, Issue 9, 168 - 171
Knee
Oxford Phase 3 Unicompartmental Knee Arthroplasty in Japan — Clinical Results in Greater Than One Thousand Cases Over Ten Years
Yoshida, Kenjiro et al.Knee