4D flow MRI has shown promising results, assessing hemodynamics in different vascular territories. In order to keep expanding its clinical use, reliable validation of 4D flow MRI is needed for improvement of its accuracy and precision while reducing scan time. The purpose of this study was to compare velocity measurements through an in vitro carotid artery bifurcation model using 4D Flow MRI and particle image velocimetry. PIV system provides great insight into the velocity field within the model, using an excellent acquisition quality.
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