Long-term results of cemented total knee arthroplasty
Author Information
Author(s): Bistolfi A., Massazza G., Rosso F., Deledda D., Gaito V., Lagalla F., Olivero C., Crova M.
Primary Institution: Department of Orthopedics and Traumatology, CTO/M. Adelaide Hospital, Turin, Italy
Hypothesis
What are the long-term survival rates and failure causes of cemented fixed-bearing total knee arthroplasty?
Conclusion
The PFC system is an excellent prosthetic solution with a high survival rate at 15 years.
Supporting Evidence
- The average HSS score improved significantly from 61.5 to 89.4 points post-surgery.
- The cumulative average survival rate at 15 years was 90.6%.
- Progressive radiolucent lines were observed in 14.3% of implants, all of which were revised.
- Early complications did not correlate with implant failure.
- Patellar resurfacing did not significantly affect implant survival.
Takeaway
This study shows that a specific type of knee replacement works well for a long time, helping people move better and feel less pain.
Methodology
A prospective case series evaluating 233 total knee arthroplasties in 197 patients using clinical and radiographic assessments.
Potential Biases
Potential bias due to the involvement of various surgeons in the study.
Limitations
Some patients were lost to follow-up, and the study involved multiple surgeons which may affect data consistency.
Participant Demographics
Average age of participants was 68.4 years, with 21.1% men and 78.9% women.
Statistical Information
P-Value
0.1053
Confidence Interval
95% CI 52.7–84.1 years
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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