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[Unicondylar knee arthroplasty--indications and outcome]
1Chirurgische Klinik III, Universität Leipzig AöR, Klinik und Poliklinik für Unfall- und Wiederherstellungschirurgie.
Zentralblatt Fur Chirurgie
|February 21, 2003
Summary
Unicondylar knee arthroplasty survival rates have significantly improved, exceeding 95% at 5 and 10 years in the 1990s. This advancement makes knee replacement a viable option with minimal bone loss and preserved ligaments.
Area of Science:
- Orthopedic surgery
- Biomaterials science
Background:
- Unicondylar knee arthroplasty (UKA) has evolved significantly.
- Historical survival rates for UKA were lower than current benchmarks.
Purpose of the Study:
- To review the literature on the survival rates of unicondylar knee arthroplasties.
- To evaluate the advancements in materials, techniques, and patient selection for UKA.
Main Methods:
- Literature review of studies on unicondylar knee arthroplasty survival rates.
- Analysis of survival data from the 1980s and 1990s.
Main Results:
- UKA survival rates improved from 85% (5-year) and 60% (9-year) in the 1980s to over 95% (5 and 10-year) in the 1990s.
- UKA now achieves standards comparable to total knee replacement.
- Advantages include minimal bone stock loss, ligament preservation, and reduced morbidity.
Conclusions:
- Unicondylar knee arthroplasty has demonstrated substantial improvements in long-term survival.
- UKA is a highly successful procedure with significant patient benefits.