ArticleJournal of orthopaedic surgery and research2021
Disc measurement and nucleus calibration in a smoothened lumbar model increases the accuracy and efficiency of in-silico study.
Article in Journal of orthopaedic surgery and research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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Who cites it
29 citing papers in PubMed.
- Asymmetric cement distribution in the coronal plane increases the risk of prosthetic loosening following total knee arthroplasty: an in-silico study.BMC surgery · 2026Article
- Denis pattern-dependent biomechanical behavior of posterior trans-iliac plate fixation compared with bilateral triangular osteosynthesis in unilateral sacral fractures: a finite element study.European journal of trauma and emergency surgery : official publication of the European Trauma Society · 2026Article
- Meniscal centralization restores meniscus-cartilage contact mechanics after posterior root repair: a biomechanical in-silico study.Journal of orthopaedic surgery and research · 2026Article
- Disc degeneration did not lead to an increased incidence of adjacent vertebral fractures in wedge-type OVCF patients.European journal of trauma and emergency surgery : official publication of the European Trauma Society · 2026Article
- Non-Contiguous OVCF Patients Had a Higher Risk of AVF After PVP Operation Related to Poor Bone Mineral Density Rather Than Aggravated Stress Concentration.Clinical interventions in aging · 2026Article
- Changes in facet orientation may simultaneously affect the potential risk of annulus tears and zygapophyseal joint osteoarthritis: a clinical review and biomechanical simulation.La Radiologia medica · 2025Article
- Sagittal-oriented articular processes and intervertebral disc degeneration phenotypes can concurrently lead to an increased presence of annulus tears in the cranial adjacent motion segment : a clinical review and biomechanical simulation.Bone & joint research · 2025Article
- Endplate morphology affects the risk of complications by changing the grafted bony occupancy rate in OLIF patients.BMC musculoskeletal disorders · 2025Article
- Modified PHILOS system utilizing a single bone cement calcar screw achieves optimal fixation stability and promotes bone healing: a biomechanical study and corresponding case series.BMC musculoskeletal disorders · 2025Article
- Larger nail-shaft gap as a potential risk factor of femoral head varus in patients treated with proximal femoral nail antirotation fixation: a retrospective, observational, single-center study with corresponding numerical simulation.Quantitative imaging in medicine and surgery · 2025Article
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- An OLIF Cage Integrated with a Low-Profile Plate and Cross Screws Could Reduce the Risk of Postoperative Complications Biomechanically.Annals of biomedical engineering · 2025Article
- The ratio between the screw distance and femoral neck width on lateral radiography is a reliable predictor of femoral head necrosis: a clinical review and corresponding numerical simulations.Journal of orthopaedic surgery and research · 2024Article
- Changes in nail position and antirotation blade angles on the risk of femoral head varus in PFNA fixed patients: a clinical review and comprehensive biomechanical research.European journal of medical research · 2024Article
- Extending the intermedullary nail will not reduce the potential risk of femoral head varus in PFNA patients biomechanically: a clinical review and corresponding numerical simulation.BMC musculoskeletal disorders · 2024Review
- Increasing the angle between caudal screw and the transverse plane may aggravate the risk of femoral head necrosis by deteriorating the fixation stability in patients with femoral neck fracture.European journal of medical research · 2024Article
- Intraoperative capsule protection can reduce the potential risk of adjacent segment degeneration acceleration biomechanically: an in silico study.Journal of orthopaedic surgery and research · 2024Article
- Annulus Calibration Increases the Computational Accuracy of the Lumbar Finite Element Model.Global spine journal · 2023Article
- Fixation-induced surgical segment's high stiffness and the damage of posterior structures together trigger a higher risk of adjacent segment disease in patients with lumbar interbody fusion operations.Journal of orthopaedic surgery and research · 2023Article
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
backgroundsFinite element analysis (FEA) is an important tool during the spinal biomechanical study. Irregular surfaces in FEA models directly reconstructed based on imaging data may increase the computational burden and decrease the computational credibility. Definitions of the relative nucleus position and its cross-sectional area ratio do not conform to a uniform standard in FEA.
methodsTo increase the accuracy and efficiency of FEA, nucleus position and cross-sectional area ratio were measured from imaging data. A FEA model with smoothened surfaces was constructed using measured values. Nucleus position was calibrated by estimating the differences in the range of motion (RoM) between the FEA model and that of an in-vitro study. Then, the differences were re-estimated by comparing the RoM, the intradiscal pressure, the facet contact force, and the disc compression to validate the measured and calibrated indicators. The computational time in different models was also recorded to evaluate the efficiency.
resultsComputational results indicated that 99% of accuracy was attained when measured and calibrated indicators were set in the FEA model, with a model validation of greater than 90% attained under almost all of the loading conditions. Computational time decreased by around 70% in the fitted model with smoothened surfaces compared with that of the reconstructed model.
conclusionsThe computational accuracy and efficiency of in-silico study can be improved in the lumbar FEA model constructed using smoothened surfaces with measured and calibrated relative nucleus position and its cross-sectional area ratio.
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