Why the study?
Flow behavior at arterial bifurcations significantly affects plaque formation and depends on vessel size, bifurcation angles, and their relative magnitudes.
Computational simulations of an idealized carotid artery bifurcation demonstrate that bifurcation angles influence hemodynamics, revealing a pair of helical vortices in each daughter tube.
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Helical vortices form in idealized carotid daughter vessels; leaves open their role in plaque localization pending in vivo validation.
Flow behavior at the arterial bifurcations has significant implications on the plaque formation. It depends on the vessel size, two bifurcation angles, i.e. angle between the mother and daughter vessels and their relative magnitudes. In this study, hemodynamics for steady and pulsatile flow of blood has been investigated in an idealized carotid artery bifurcation having all the vessels in the same plane for a range of bifurcation angles for symmetric and asymmetric bifurcation. The simulations reveal the presence of a pair of helical vortices, symmetric about the bifurcation plane, in each daughter tube near the bifurcation.
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Nagargoje et al. (2020) studied this question.
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