Why the study?
Understanding hemodynamics in the vascular system is important to treat vascular pathology, motivating the evaluation of 4D flow MRI compared with CFD in the human carotid artery bifurcation.
Does 4D flow MRI accurately assess velocity magnitudes and flow patterns in the human carotid artery bifurcation compared to computational fluid dynamics in healthy volunteers?
Population
12 healthy volunteers
Comparison
4D flow MRI vs CFD simulation
Design
Comparative imaging study
Authors
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Should not yet change carotid imaging practice; leaves open refined 4D-flow sequences and patient studies for complex flow.
Does 4D flow MRI accurately assess velocity magnitudes and flow patterns in the human carotid artery bifurcation compared to computational fluid dynamics in healthy volunteers?
4D flow MRI shows reasonable agreement with CFD for measuring velocity magnitudes at the carotid bifurcation, but requires technical enhancement for accurate visualization of complex secondary flows and recirculation regions.
Ngo et al. (2019) studied this question.
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