Abstract
Feasibility of ultra-high-dimensional flow imaging for rapid pediatric cardiopulmonary MRI
Highlights
A comprehensive congenital cardiac MRI exam with contrast enhancement typically consists of multiple scans to evaluate dynamic contrast enhancement (DCE) characteristics, physiological function, blood flow, and anatomical assessment
The feasibility of the proposed 5D flow method is demonstrated for cardiopulmonary imaging
The data are binned into different volumes based on the cardiac phase, contrast phase, and velocity-encoding echo
Summary
A comprehensive congenital cardiac MRI exam with contrast enhancement typically consists of multiple scans to evaluate dynamic contrast enhancement (DCE) characteristics, physiological function, blood flow, and anatomical assessment. Multiple sequences require skilled operators, prolong the exam, and lengthen anesthesia duration for uncooperative patients. We propose a single comprehensive 5D flow volumetric acquisition for a simpler and shorter cardiac exam. This technique resolves the cardiac cycle (1D), contrast dynamics (1D), and flow velocities for 3D volumes. The feasibility of the proposed 5D flow method is demonstrated for cardiopulmonary imaging
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