ArticleOrthopaedic surgery2020
Biomechanical Study on the Stress Distribution of the Knee Joint After Tibial Fracture Malunion with Residual Varus-Valgus Deformity.
Article in Orthopaedic surgery, 2020. 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.
- Translating mechanobiology in osteoarthritis to biomaterial-informed therapeutic strategies.Mechanobiology in medicine · 2026Review
- Fixator-Assisted Plating and Nailing for Multiplanar Lower Limb Deformities in Adolescents: Indications, Technical Considerations, and Radiographic Outcomes.Clinics in orthopedic surgery · 2026Article
- Influence of articular incongruency on coronal alignment after surgical fixation of lateral tibial plateau fractures.BMC musculoskeletal disorders · 2025Article
- Impact on spino-pelvic alignment by total knee arthroplasty to correct knee flexion deformity in osteoarthritis patients: a retrospective cohort study.Quantitative imaging in medicine and surgery · 2025Article
- Asymmetric Post-Traumatic Knee Arthritis Is Closely Correlated With Both Severity and Time for Lower Limb Coronal Plane Malalignment.Cartilage · 2024Article
- Residual coronary malformation after tibial shaft fracture alters the contact status of the meniscus and cartilage in the knee joint: a computational study.Frontiers in surgery · 2024Article
- Finite element analysis of biomechanical effects of residual varus/valgus malunion after femoral fracture on knee joint.International orthopaedics · 2021Article
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
Abstract
objectiveTo investigate the effect of residual varus and valgus deformity on the stress distribution of the knee joint after tibial fracture malunion.
methodsFourteen adult cadaver specimens were selected to establish the models of tibial fractures, which were fixed subsequently at neutral position (anatomical reduction) and malunion positions (at 5°, 10°, and 15° valgus positions, and 5°, 10°, and 15° varus positions). The stress distribution on the medial and lateral plateau of the tibia was quantitatively measured using ultra-low-pressure sensitive film technology. The changes in the stress distribution of the knee joint after tibial fracture malunion and the relationship between the stress values and the residual varus or valgus deformity were analyzed.
resultsUnder 400 N vertical load, the stress values on the medial and lateral plateau of the tibia at the neutral position were 1.137 ± 0.139 MPa and 1.041 ± 0.117 MPa, respectively. When compared with the stress values measured at the neutral position, the stress on the medial plateau of the tibia was significantly higher at varus deformities and lower at valgus deformities, and the stress on the lateral plateau was significantly higher at valgus deformities and lower at varus deformities (all P < 0.05). The stress values on the medial plateau of the tibia were significantly higher than the corresponding data on the lateral plateau at neutral and 5°, 10°, and 15° varus deformities, respectively (all P < 0.05), and significantly lower than the corresponding data on the lateral plateau at 5°, 10°, and 15° valgus deformities, respectively (all P < 0.05).
conclusionResidual varus and valgus deformity after tibial fracture malunion can lead to obvious changes of the stress distribution of the knee joint. Therefore, tibial fractures should be reduced anatomically and fixed rigidly to avoid residual varus-valgus deformity and malalignment of lower limbs.
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