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Abstract #0291

4-Dimensional Phase-Contrast Magnetic Resonance Imaging of Left Atrial Stasis in Patients with Paroxysmal Atrial Fibrillation: A Comparative Study of Patients Pre- and Post-Ablation

Julio Garcia1, Michael S Bristow2,3, Carmen Lydell3,4, Andrew G Howarth2,3, Bobby Heydari2,3, Frank S Prato5, Maria Drangova5, Rebecca Thornhill6, Pablo Nery7, Stephen Wilton3, Allan Skanes8, and James White2,3

1Department of Cardiac Sciences - Stephenson Cardiac Imaging Centre, University of Calgary, Calgary, AB, Canada, 2Department of Medicine, University of Calgary, Calgary, AB, Canada, 3Stephenson Cardiac Imaging Centre, Libin Cardiovascular Institute of Alberta, Calgary, AB, Canada, 4Diagnostic Imaging, University of Calgary, Calgary, AB, Canada, 5Medical Imaging, University of Western Ontario, London, ON, Canada, 6Diagnostic Imaging, The Ottawa Hospital, Ottawa, ON, Canada, 7Electrophysiology, University of Ottawa, Ottawa, ON, Canada, 8Department of Medicine, University of Western Ontario, London, ON, Canada

This study may be of interest for clinicians and clinical researchers who study atrial diseases. This study demonstrates that 4D flow-derived LA 3D stasis is clinically feasible and it may be useful for characterize differences between pre- and post-ablation patients.

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