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Beyond conversion to TKA: selective tibial component revision for failed medial UKA (case report)
Mahdi Sahebi1,2,3, Maziar Nafisi1,2, Mohammad Poursalehian1,2
1Joint Reconstruction Research Center, Tehran University of Medical Sciences, Tehran, Iran.
International Journal of Surgery Case Reports
|May 14, 2026
Summary
Selective revision of a loose tibial component after unicompartmental knee arthroplasty (UKA) can be successful in select cases. However, conversion to total knee arthroplasty (TKA) is generally recommended due to higher re-revision rates with UKA-to-UKA revisions.
Area of Science:
- Orthopedic surgery
- Biomedical engineering
- Knee biomechanics
Background:
- Unicompartmental knee arthroplasty (UKA) offers advantages over total knee arthroplasty (TKA) for isolated knee osteoarthritis but has a higher revision risk.
- Conversion to TKA is the standard treatment for failed UKA, but selective component revision is debated due to concerns about re-revision rates.