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Abstract Purpose: To optimize pseudo-continuous arterial spin labeling (PCASL) parameters to maximize SNR efficiency for RF power constrained whole brain perfusion imaging at 7 T. Methods: We used Bloch simulations of pulsatile laminar flow to optimize the PCASL parameters for maximum SNR efficiency, balancing labeling efficiency and total RF power.
CLINICAL PERSPECTIVE Cardiac magnetic resonance imaging plays a central role in the diagnosis and prognostication of patients with heart failure. In this current study, we investigated the clinical utility of 4-dimensional flow imaging compared with conventional imaging and clinical prognostic markers. The left ventricular flow was divided into 4 functional components and the kinetic energy of each flow component calculated throughout the cardiac cycle.
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