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Kinemax total knee arthroplasty: trial by template
1Department of Orthopaedics, Frenchay Hospital, and the Avon Orthopaedic Centre, Bristol, United Kingdom.
The Journal of Arthroplasty
|January 24, 2002
Summary
Preoperative templating for Kinemax total knee arthroplasty is not consistently accurate. Radiologic templating showed limited benefit in predicting component size for this specific knee replacement.
Area of Science:
- Orthopedic Surgery
- Radiology
- Biomedical Engineering
Background:
- Accurate preoperative planning is crucial for successful total knee arthroplasty (TKA).
- Templating aims to predict the optimal size of prosthetic components before surgery.
- The Kinemax total knee arthroplasty system is widely used, necessitating evaluation of its templating accuracy.
Purpose of the Study:
- To evaluate the accuracy of the Kinemax total knee arthroplasty templating system.
- To compare the accuracy of preoperative versus postoperative radiologic templating.
Main Methods:
- A retrospective review of 49 Kinemax TKAs was conducted.
- Preoperative and postoperative radiographs were analyzed using the Kinemax template.
- Predicted component sizes were compared to actual implanted component sizes.
Main Results:
- The preoperative radiologic template accurately predicted component size in 57% of cases.
- The postoperative radiologic template was accurate in only 41% of cases.
- Significant discrepancies were observed between templated and actual component sizes.
Conclusions:
- Preoperative radiologic templating for Kinemax TKA demonstrates questionable accuracy.
- The utility of this templating method in preoperative planning for Kinemax TKA is limited.
- Further research into improved templating techniques for TKA is warranted.