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Abstract #1748

Non-invasive assessment of portal hypertension using magnetic resonance elastography and ultrasound shear wave elastography of the liver and spleen.

Paul Kennedy1,2, Octavia Bane1,2, Stefanie Hectors1,2, Scott Friedman3, Thomas Schiano3, Maria Isabel Fiel4, Swan Thung4, Aaron Fischman5, and Bachir Taouli1,2

1Translational and Molecular Imaging Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States, 2Department of Radiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States, 3Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, United States, 4Department of Pathology, Icahn School of Medicine at Mount Sinai, New York, NY, United States, 5Department of Interventional Radiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States

The aim of this ongoing prospective study is to investigate the utility of both 2D and 3D MR elastography (MRE) and ultrasound shear wave elastography (SWE) for the assessment of portal hypertension in patients with chronic liver disease. Initial results indicate that 3D MRE measured spleen stiffness and the spleen to liver stiffness ratio measured with 3D MRE and SWE significantly correlate with hepatic venous pressure gradient measurement. This suggests that 3D MRE is sensitive to physiological changes associated with portal hypertension. Confirmation in a larger patient cohort may validate 3D MRE as a non-invasive surrogate for portal pressure measurement.

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