ArticleBiomedical engineering online2021
Assessment of turbulent blood flow and wall shear stress in aortic coarctation using image-based simulations.
Article in Biomedical engineering online, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 34 citations in OpenAlex.
- Geometric Determinants of Post-stenotic Energetics in Coarctation of Aorta: Linking Centerline Morphology to Downstream Energy Loss.Annals of biomedical engineering · 2026Article
- Computational fluid dynamics analysis for enlargement of the descending aorta after frozen elephant trunk implantation.Journal of cardiothoracic surgery · 2026Article
- Computational Modeling of Flow in an in Vitro Cerebrovascular Model Under Pulsatile Conditions with Experimental Validation.Cardiovascular engineering and technology · 2026Article
- Mechano-electrical-fluid interaction left-ventricle model for numerical evaluation of aortic valve hemodynamics.Frontiers in bioengineering and biotechnology · 2025Article
- A systematic quantification of hemodynamic differences persisting after aortic coarctation repair.Frontiers in bioengineering and biotechnology · 2025Article
- The onset of coarctation of the aorta before birth: Mechanistic insights from fetal arch anatomy and haemodynamics.Computers in biology and medicine · 2024Article
- Computational Fluid Dynamics (CFD) in Arteriovenous (AV) Graft Implantation Through End-to-Side Anastomosis with Varying Tube Diameters Across Different Vascular Access Locations for Dialysis Treatment.Medicina (Kaunas, Lithuania) · 2024Article
- Multiscale structure and function of the aortic valve apparatus.Physiological reviews · 2024Review
- A Synergistic Overview between Microfluidics and Numerical Research for Vascular Flow and Pathological Investigations.Sensors (Basel, Switzerland) · 2024Review
- Investigation of Relationship between Hemodynamic and Morphometric Characteristics of Aortas in Pediatric Patients.Journal of clinical medicine · 2024Article
- A comprehensive MRI-based computational model of blood flow in compliant aorta using radial basis function interpolation.Biomedical engineering online · 2024Article
- Assessing the impact of turbulent kinetic energy boundary conditions on turbulent flow simulations using computational fluid dynamics.Scientific reports · 2023Article
- Repeatability and reproducibility of various 4D Flow MRI postprocessing software programs in a multi-software and multi-vendor cross-over comparison study.Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance · 2023Article
- On the identification of hypoxic regions in subject-specific cerebral vasculature by combined CFD/MRI.Royal Society open science · 2023Article
- Accelerated sequences of 4D flow MRI using GRAPPA and compressed sensing: A comparison against conventional MRI and computational fluid dynamics.Magnetic resonance in medicine · 2022Article
- Wall Shear Stress Estimation for 4D Flow MRI Using Navier-Stokes Equation Correction.Annals of biomedical engineering · 2022Article
- Does the Internal Carotid Artery Attenuate Blood-Flow Pulsatility in Small Vessel Disease? A 7 T 4D-Flow MRI Study.Journal of magnetic resonance imaging : JMRI · 2022Article
- Medical Image-Based Computational Fluid Dynamics and Fluid-Structure Interaction Analysis in Vascular Diseases.Frontiers in bioengineering and biotechnology · 2022Review
Corrections and comments
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
Abstract
In this study, we analyzed turbulent flows through a phantom (a 180[Formula: see text] bend with narrowing) at peak systole and a patient-specific coarctation of the aorta (CoA), with a pulsating flow, using magnetic resonance imaging (MRI) and computational fluid dynamics (CFD). For MRI, a 4D-flow MRI is performed using a 3T scanner. For CFD, the standard [Formula: see text], shear stress transport [Formula: see text], and Reynolds stress (RSM) models are applied. A good agreement between measured and simulated velocity is obtained for the phantom, especially for CFD with RSM. The wall shear stress (WSS) shows significant differences between CFD and MRI in absolute values, due to the limited near-wall resolution of MRI. However, normalized WSS shows qualitatively very similar distributions of the local values between MRI and CFD. Finally, a direct comparison between in vivo 4D-flow MRI and CFD with the RSM turbulence model is performed in the CoA. MRI can properly identify regions with locally elevated or suppressed WSS. If the exact values of the WSS are necessary, CFD is the preferred method. For future applications, we recommend the use of the combined MRI/CFD method for analysis and evaluation of the local flow patterns and WSS in the aorta.
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