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Abstract #0503

4D flow assessment of pulmonary artery flow and wall shear stress in adult pulmonary hypertension: results from two institutions

Christopher J Francois 1 , Alejandro Roldan-Alzate 1 , Oliver Wieben 1,2 , Naomi C Chesler 3 , Sanjiv Shah 4 , Pegah Entezari 5 , James C Carr 5 , Michael Markl 5,6 , and Alex Barker 5,6

1 Radiology, University of Wisconsin - Madison, Madison, WI, United States, 2 Medical Physics, University of Wisconsin - Madison, WI, United States, 3 Biomedical Engineering, University of Wisconsin - Madison, WI, United States, 4 Medicine, Northwestern University, IL, United States, 5 Radiology, Northwestern University, IL, United States, 6 Biomedical Engineering, Northwestern University, IL, United States

This two-center study compares pulmonary artery flow and wall shear stress (WSS) measurements derived from two different 4D Flow MRI sequences in subjects with pulmonary hypertension (PH) and healthy controls. Significant differences in flow and WSS were observed between PH and control groups. Interobserver variability for these measurements were negligible.

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