ArticleBone & joint research2022
The risk of tibial eminence avulsion fracture with bi-unicondylar knee arthroplasty : a finite element analysis.
Article in Bone & joint research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 8 citations in OpenAlex.
- An investigation into the biomechanical effects of tibial vertical cutting errors on the proximal tibia after unicompartmental knee arthroplasty and the improvement of cutting planes.BMC musculoskeletal disorders · 2025Article
- Temporal changes of tibial eminence after bi-cruciate retaining total knee arthroplasty.BMC musculoskeletal disorders · 2025Article
- Surgical factors that contribute to tibial periprosthetic fracture after cementless Oxford Unicompartmental Knee Replacement: a finite element analysis.Frontiers in bioengineering and biotechnology · 2025Article
- Finite element study of stress distribution in medial UKA under varied lower limb alignment.Scientific reports · 2024Article
- Stochastic lattice-based porous implant design for improving the stress transfer in unicompartmental knee arthroplasty.Journal of orthopaedic surgery and research · 2024Article
- Model Properties and Clinical Application in the Finite Element Analysis of Knee Joint: A Review.Orthopaedic surgery · 2024Review
- Load transfer in bone after partial, multi-compartmental, and total knee arthroplasty.Frontiers in bioengineering and biotechnology · 2024Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimsThe aim of this study was to determine the risk of tibial eminence avulsion intraoperatively for bi-unicondylar knee arthroplasty (Bi-UKA), with consideration of the effect of implant positioning, overstuffing, and sex, compared to the risk for isolated medial unicondylar knee arthroplasty (UKA-M) and bicruciate-retaining total knee arthroplasty (BCR-TKA).
methodsTwo experimentally validated finite element models of tibia were implanted with UKA-M, Bi-UKA, and BCR-TKA. Intraoperative loads were applied through the condyles, anterior cruciate ligament (ACL), medial collateral ligament (MCL), and lateral collateral ligament (LCL), and the risk of fracture (ROF) was evaluated in the spine as the ratio of the 95
resultsPeak tensile strains occurred on the anterior portion of the medial sagittal cut in all simulations. Lateral translation of the medial implant in Bi-UKA had the largest increase in ROF of any of the implant positions (43%). Overstuffing the joint by 2 mm had a much larger effect, resulting in a six-fold increase in ROF. Bi-UKA had ~10% increased ROF compared to UKA-M for both the male and female models, although the smaller, less dense female model had a 1.4 times greater ROF compared to the male model. Removal of anterior bone akin to BCR-TKA doubled ROF compared to Bi-UKA.
conclusionTibial eminence avulsion fracture has a similar risk associated with Bi-UKA to UKA-M. The risk is higher for smaller and less dense tibiae. To minimize risk, it is most important to avoid overstuffing the joint, followed by correctly positioning the medial implant, taking care not to narrow the bone island anteriorly.Cite this article:
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