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 Bristow^2,3, Carmen Lydell^3,4, Andrew G Howarth^2,3, Bobby Heydari^2,3, Frank S Prato⁵, Maria Drangova⁵, Rebecca Thornhill⁶, Pablo Nery⁷, Stephen Wilton³, Allan Skanes⁸, and James White^2,3

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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