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Abstract #3325

Time-Resolved MR Angiography Pre-Catheter-Based Ablation for Atrial Fibrillation

Michael Schonberger1, Asad Usman1, Aya Kino1, Andrada Popescu1, Maurizio Galizia1, Jeremy Collins1, James Carr1, Timothy Carroll1

1Department of Radiology, Northwestern University, Chicago, IL, United States

Time-resolved angiography with interleaved stochastic trajectories (TWIST) MR angiography of the pulmonary venous circulation improves arterio-venous separation, does not require exact bolus timing, gives additional information on vein perfusion, and still maintains a high spatial resolution compared to the conventional contrast enhanced-MRA.