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Abstract #0455

4D Flow based Characterization of Aortic Morphometry and Flow Parameters: Impact of Age, Aortic Dilatation and Valve Morphology

Julio Garcia 1 , Alex J Barker 1 , Ian Murphy 1 , Kelly B Jarvis 1 , Alex L Powell 1 , Susanne Schnell 1 , Jeremy Collins 1 , James Carr 1 , S Chris Malaisrie 2 , and Michael Markl 1,3

1 Radiology, Northwestern University, Chicago, Illinois, United States, 2 Division of Cardiothoracic Surgery, Northwestern University, Chicago, Illinois, United States, 3 Biomedical Engineering, Northwestern University, Evanston, Illinois, United States

Aortic diameter and peak velocity are important metrics for the characterization of aortic disease. However, these parameters are typically evaluated at selected locations along the aorta and are thus subject to observer variability and may miss the true maximum aortic diameter or velocity. The purpose of this study was to apply volumetric 4D flow MRI for the simultaneous assessment of aorta morphometry and flow parameters along the entire volume of the thoracic aorta in patients with aortic dilation.

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