Abstract #1980

Comparing Regional Left Ventricular Flow and Myocardial Strain after Myocardial Infarction

Philip A Corrado¹, Gregory P Barton¹, Niti R Aggarwal², Jonathan W Weinsaft^3,4, Christopher J Francois^2,5, and Oliver Wieben^1,5

¹Medical Physics, University of Wisconsin-Madison, Madison, WI, United States, ²Medicine, University of Wisconsin-Madison, Madison, WI, United States, ³Medicine, Weill Cornell Medical College, New York, NY, United States, ⁴Radiology, Weill Cornell Medical College, New York, NY, United States, ⁵Radiology, University of Wisconsin-Madison, Madison, WI, United States

This work employed time-resolved (4D) flow cardiac MRI and feature-tracking myocardial strain to characterize the relationship between left ventricular (LV) strain and kinetic energy after myocardial infarction. Kinetic energy indexed to end diastolic volume in the LV apex varied directly with peak radial strain in the LV apex, and with global LV ejection fraction. This method of regional analysis may be of clinical use in characterizing LV contractile and hemodynamic function in the post MI population.

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