Key result
A time-varying flow rate partition in carotid bifurcation CFD models reduced wall shear stress oscillations by up to 37.3% compared to fixed flow rate divisions.
Why the study?
Does a coupled 3D-lumped parameter model improve the prediction of hemodynamic wall parameters in an image-based CFD model of human carotid bifurcation?
Population
Image-based computational fluid dynamics (CFD) model of human carotid bifurcation
Comparison
Coupled 3D model with a lumped-parameter model… vs Isolated 3D model with three fixed flow rate…
Design
Other
Authors
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Challenges fixed flow assumptions in carotid CFD models; leaves open validation for clinical hemodynamic predictions.
Does a coupled 3D-lumped parameter model improve the prediction of hemodynamic wall parameters in an image-based CFD model of human carotid bifurcation?
Coupling 3D models with downstream vascular network models provides more realistic, time-varying flow rate divisions that significantly modulate the prediction of atherosusceptible hemodynamic descriptors like wall shear stress.
Morbiducci et al. (2010) studied this question. A time-varying flow rate partition in carotid bifurcation CFD models reduced wall shear stress oscillations by up to 37.3% compared to fixed flow rate divisions.