Knee replacement review finds possible pain relief with uncertain harms
Evidence from a single trial suggests adding total knee replacement to non-surgical care may ease pain, while other benefits and harms remain less clear.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Adding total knee replacement may produce a meaningful improvement in pain, while the improvement in physical function may be too small to matter clinically. Quality of life probably differs little in a clinically meaningful sense. Serious adverse events may be more frequent after surgery, but the evidence about those harms is very uncertain.
The review rests on a single trial. Some participants had mild disease, people with severe pain during the preceding week were excluded, and serious adverse events were broadly defined. These features limit how widely the results apply.
What researchers found
Knee pain
At 1 year, total knee replacement plus the programme versus the programme alone; low-certainty evidence.
What was compared
Both groups received a programme that included exercise, education, dietary advice, insoles and pain medication. The trial therefore tested what surgery added to that package, rather than comparing surgery with no care.
The review’s scope was broader
The researchers sought evidence on total and partial replacements, including comparisons with sham procedures. The only eligible trial involved total replacement, leaving the abstract without comparative results for partial replacement or sham surgery.
The original publication
Total and partial knee arthroplasty versus non-surgical interventions of the knee for moderate to severe osteoarthritis.
Pacheco-Brousseau L, Abdelrazeq S, Kelly SE et al.
Cochrane Database Syst Rev · 2026
- PubMed ID
- 41494148
- Record checked
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