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Oxford unicompartmental knee replacement: literature review
1Department of Orthopedics, the University of Minnesota, St Paul, Minn, USA.
Orthopedics
|June 7, 2007
Summary
Oxford unicompartmental knee replacement surgery demonstrates excellent long-term success, with high survival rates up to 15 years. This procedure is a reliable option for specific knee conditions in a broad age range.
Area of Science:
- Orthopedic Surgery
- Biomaterials Science
Background:
- Oxford unicompartmental knee replacement (Biomet Orthopedics) is a widely used procedure.
- Published data indicate high long-term success rates for this prosthesis.
Purpose of the Study:
- To evaluate the long-term outcomes and survivorship of the Oxford unicompartmental knee replacement.
- To review existing literature on the efficacy of this specific knee prosthesis.
Main Methods:
- Systematic review of published series reporting on Oxford unicompartmental knee replacement outcomes.
- Analysis of survivorship data, including 10-year and 15-year survival rates.
Main Results:
- 10-year survivorship ranges from 91% to 100%; 15-year survivorship is 93%.
- The prosthesis shows excellent long-term results, rivaling few other knee prostheses.
- Cohorts primarily included patients with medial or anteromedial disease, with some lateral disease cases.
Conclusions:
- Oxford unicompartmental knee replacement offers excellent long-term results and high survivorship.
- The procedure is effective for osteoarthritis and avascular necrosis, suitable for a wide patient age range (>60 years mean, with younger patients included).