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Demonstrates that flow velocity measurement accuracy in a carotid artery model is independent of magnetic field induction and spatial resolution, indicating robust performance across MRI systems.
The accuracies of measuring the velocity field using clinical and research magnetic resonance imagers are compared. The flow velocity of a fluid simulating blood in a carotid artery model connected to a programmable pump was measured. Using phase-contrast magnetic resonance tomography, the velocity distributions in the carotid artery model were obtained and compared with the analytical solution for viscous liquid flow in a cylindrical tube (Poiseuille flow). It is found that the accuracy of the velocity measurement does not depend on the field induction and spatial resolution of the imagers.
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Бойко et al. (2017) studied this question.
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