ArticleJournal of orthopaedic translation2019
Agreement in component size between preoperative measurement, navigation and final implant in total knee replacement.
Article in Journal of orthopaedic translation, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Role of Image-Free Robotic-Assisted Technology in Enhancing Accuracy of Implant Sizing for Total Knee Arthroplasty.Cureus · 2024Article
- Clinical validation of a deep learning-based approach for preoperative decision-making in implant size for total knee arthroplasty.Journal of orthopaedic surgery and research · 2024Article
- Preoperative radiographic parameters in the case of using a narrow-version femoral implant in total knee arthroplasty.Archives of orthopaedic and trauma surgery · 2022Article
- A computational tool for automatic selection of total knee replacement implant size using X-ray images.Frontiers in bioengineering and biotechnology · 2022Article
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Authors and funding
6 authors.
Funding
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Abstract
backgroundOne of the possible causes of dissatisfaction reported by many patients after total knee replacement (TKR) is the lack of agreement between component size and bone structure. To avoid this complication and facilitate the procedure, preoperative planning with digitized templates is recommended. Surgical navigation indicates the best position and the most adequate size of arthroplasty and may therefore replace preoperative radiographic measurement. The objective of the study was to check agreement between the sizes of TKR components measured before surgery with digitized templates, the size recommended by the navigation and sizes actually implanted.
methodsIn 103 patients scheduled for TKR, preoperative full-limb radiography was performed to measure the mechanical and anatomical axes of the limb, femur and tibia. The most adequate size of the femoral and tibial components was planned by superimposing digitized templates. The size recommended in navigation and the size of the finally implanted components were also recorded.
resultsA high level of agreement was found between the sizes of femoral and tibial components measured by X-rays and in navigation (0.750 and 0.772, respectively) (intraclass correlation and Cronbach's alpha). Agreement between the sizes recommended by X-rays and navigation and those finally implanted was 0.886 for the femur and 0.891 for the tibia. Agreement levels were not different in cases with prior deformities of limb axis.
conclusionsThe high level of agreement found in component sizes between radiographic measurement with digitized templates and navigation suggests that preoperative X-ray measurement is not needed when navigation is used for placement of implants during TKR. THE TRANSLATIONAL POTENTIAL OF THIS ARTICLE: Computer-assisted surgery may avoid preoperative measurement with templates in TKR.
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