Abstract #4693

Feasibility of Strain Encoded (SENC) MRI to Assess Cardiac Contractility on a Commercial 0.55T System

YINGMIN LIU¹, Donel Tani², Matthew Joseph¹, Nael F. Osman², Mahmood Khan¹, Juliet Varghese¹, and Orlando P. Simonetti¹

¹Ohio State University, Columbus, OH, United States, ²Myocardial Solutions, Inc., Morrisville, NC, United States

Synopsis

Keywords: Cardiomyopathy, Low-Field MRI, StrainIn phantom, human volunteers, and an animal model, this study shows the feasibility of strain encoding (SENC) on a commercially available 0.55T low field scanner with limited gradient performance. Measured through-slice strain in a deformation phantom agrees with steady-state free precession (SSFP) cine; global strains in healthy humans fall into the normal expected range; infarcted myocardial segments in a porcine model demonstrated reduced strain.

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