ArticleKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2018
3D patient imaging and retrieval analysis help understand the clinical importance of rotation in knee replacements.
Article in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.
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10 citing papers in PubMed, 1 synthesis or guideline pooled it, 20 citations in OpenAlex.
- Technology-assisted revision knee arthroplasty reduces radiographic outliers compared with standard revision knee surgery: A systematic review.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2025Pooled it
- Retrieval analysis in total knee arthroplasty.World journal of orthopedics · 2025Review
- Tibial bone defect prediction based on preoperative artefact-reduced CT imaging is superior to standard radiograph assessment.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2023Article
- Mechanical alignment tolerance of a cruciate-retaining knee prosthesis under gait loading-A finite element analysis.Frontiers in bioengineering and biotechnology · 2023Article
- Gender differences affect the location of the patellar tendon attachment site for tibial rotational alignment in total knee arthroplasty.Journal of orthopaedic surgery and research · 2022Article
- Moderate External Rotation of Tibial Component Generates More Natural Kinematics Than Internal Rotation After Total Knee Arthroplasty.Frontiers in bioengineering and biotechnology · 2022Article
- The personalized Berger method is usable to solve the problem of tibial rotation.Journal of experimental orthopaedics · 2021Article
- Bearing Thickness Is Not a Predictive Factor for Damage and Penetration in Oxford Unicompartmental Knee Arthroplasty-A Retrieval Analysis.Materials (Basel, Switzerland) · 2020Article
- Methods of intra- and post-operative determination of the position of the tibial component during total knee replacement.International orthopaedics · 2020Review
- Underhang of the tibial component increases tibial bone resorption after total knee arthroplasty.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2019Article
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeThe purpose of the present study was to correlate highly accurate CT measurements of pre-revision total knee arthroplasty (TKA) implant position with findings of retrieval analysis post-revision, to understand the clinical relevance of TKA orientation.
methodsThis study involved 53 retrieved TKA implants with pre-revision 3D-CT scans used to determine coronal (varus-valgus), sagittal (tibial slope) and rotational (internal rotation-external rotation) TKA orientation as well as tibiofemoral leg axis. Differences between femoral and tibial angles to describe the "relative rotational mismatch" were also calculated. All tibial inserts were forensically analyzed using the Hood score. Statistical analysis was performed to investigate correlations between TKA component orientation and surface damage (p < 0.05).
resultsFemoral components were found to have axial rotations mainly within ± 3° (68%), whilst 45% of the tibial components and 66% of the relative rotational mismatches were > 3° and < - 3°, respectively. The majority of femoral and tibial components (87% in both cases), as well as the femorotibial angle (70%), showed coronal orientations within ± 3°. The 64% of the tibial components showed posterior tibial slopes out of both the 0°-3° and 5°-7° ranges. There was a significant correlation between tibial slope and damage score on polyethylene tibial inserts (r = 0.2856; p = 0.0382) as well as a significant correlation between implants' position in the axial plane and damage score on polyethylene tibial inserts (r = 0.6537, p = 0.0240).
conclusionsThis is the first study to use accurate measurements from pre-revision 3DCT to compare tibial and femoral orientation in all three planes with retrieval findings in total knee replacements. A significant correlation between implant position and polyethylene surface damage was found. These results showed the importance of optimizing component position to minimize polyethylene damage. Further analysis involving more accurate polyethylene wear measurements are fundamental to fully understand the role of components' orientation in TKAs.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.