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Published on: September 27, 2019
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Custom TKA: what to expect and where do we stand today?
1Ghent University Hospital, C Heymanslaan 10, 9000, Gent, Belgium. jan.victor@ugent.be.
Archives of Orthopaedic and Trauma Surgery
|July 17, 2021
Summary
Custom total knee arthroplasty (TKA) offers personalized fit but lacks robust evidence. Further research is needed to confirm the benefits of custom knee implants over standard options.
Area of Science:
- Orthopedic surgery
- Biomedical engineering
Background:
- Custom total knee arthroplasty (TKA) aims to address patient-specific anatomical and functional variations.
- A key challenge is balancing deformity correction with preserving natural knee anatomy.
Purpose of the Study:
- To review the current literature on custom total knee arthroplasty (TKA) implants.
- To evaluate the available evidence regarding their intra- and post-operative outcomes.
Main Methods:
- A systematic literature search was conducted on PubMed using terms related to patient-specific and custom knee implants.
- Included studies were analyzed for various clinical and radiographic outcomes.
Main Results:
- Out of 1117 studies, 17 were included, with 47% having commercial funding or author conflicts of interest.
- Eleven studies included a control group, reporting both superior and inferior results compared to off-the-shelf implants.
Conclusions:
- Custom knee implants represent an advancement in personalized prosthetic design.
- Current literature lacks strong methodological studies to definitively prove their value.
- Technological advancements like robotics and AI may help overcome existing challenges.
