eXtended Time Resolved Angiography using InfLow Subtraction (X-TRAILS)

A novel extension to time resolved angiography using inflow subtraction (X-TRAILS) is presented. It employs variable repetition times (vr-TR) to reduce RF exposure during the multiphase 3D Cones readout to accommodate patients that exhibit extremely slow intravascular flow patterns. Bloch simulation including a feasibility study on subjects is performed. X-TRAILS allows whole head coverage and the acquisition of both static and dynamic angiographic high resolution datasets in a single scan.

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