Key result
Carotid bifurcation geometry alters local hemodynamics, linking low wall shear stress to atherosclerosis risk.
Why the study?
Computational Fluid Dynamics has been used to understand carotid bifurcation haemodynamics and blood flow changes due to geometric variations, aiding understanding of arterial flow and atherosclerosis.
Population
Patient-specific healthy carotid bifurcation system model
Comparison
Geometric variations of carotid bifurcation under physiological pressure conditions
Design
Unsteady flow simulation using ANSYS Fluent under rigid wall and non-Newtonian conditions
Authors
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Bifurcation geometry may promote atherosclerosis via low TAWSS; hypothesis-generating for human geometric risk models.
Computational fluid dynamics modeling demonstrates that geometric variations in the carotid bifurcation create low shear stress regions that may predispose to atherosclerosis.
Shenoy et al. (2023) studied Carotid artery hemodynamics (n=3). Geometric variation of carotid artery was evaluated on Hemodynamic parameters (velocity, pressure, helicity, vorticity, and time-averaged wall shear stress). Geometric variations in the carotid bifurcation significantly influence hemodynamics, with low time-averaged wall shear stress regions being more prone to atherosclerosis development.
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