Tibial Stem Extension vs Standard Configuration in Total Knee Arthroplasty
Author Information
Author(s): Heidari Arash, Ebrahimzadeh Mohammad H., Daliri Mahla, Moradi Ali, Sahebi Mahdieh
Primary Institution: Mashhad University of Medical Sciences
Hypothesis
What is the difference in post-operative outcomes and complication rates between tibial components with stem extension and those with standard configuration in primary cemented total knee arthroplasty?
Conclusion
The study suggests that using tibial stem extensions in total knee arthroplasty may reduce the risk of tibial loosening and improve functional scores compared to standard configurations.
Supporting Evidence
- The risk of tibial aseptic loosening is 54% lower on average in the stem extension group compared to the standard configuration group.
- Knee Society Score functional and clinical scores improved in the stem extension group.
- The survival rate was 1.04 times greater in the stem extension group.
Takeaway
Using a special type of knee implant called a tibial stem extension can help people have better knee function and lower chances of the implant failing compared to the regular type.
Methodology
A systematic review and meta-analysis of clinical studies comparing tibial stem extensions with standard configurations in total knee arthroplasty.
Potential Biases
Some non-randomized studies had serious methodological problems and unclear risks of bias.
Limitations
Some studies had a fair to critical risk of bias, and the overall low incidence of revision limited subgroup analyses.
Participant Demographics
The study included 223,743 patients, with 43% male and 57% female, and a mean age of 68.73 years in the standard configuration group.
Statistical Information
P-Value
0.46
Confidence Interval
0.29 to 0.74
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website