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Abstract #3290

Improved Susceptibility-Weighted Imaging of Reperfusion Intramyocardial Hemorrhage with Multiple-echo Image Combination

James Goldfarb 1,2 and Usama Hasan 1

1 Department of Research and Education, St Francis Hospital, Roslyn, NY, United States, 2 Program in Biomedical Engineering, Stony Brook University, Stony Brook, NY, United States

We compared single-echo and a novel multiple-echo image combination using source or susceptibility weighted images (SWI) for improvements in image quality assessed quantitatively through intramyocardial hemorrhage contrast and signal-difference-to-noise measurements. SWI with echo-combination was an effective means of generating high quality images of left ventricular myocardium for tissue characterization. Echo-combination of source or SWI images increases SNR at the cost of hemorrhage contrast. SWI with six phase mask multiplications and 10 echo averages provides optimal image SDNR and contrast. Image quality of echo-combined SWI is superior to source, SWI and echo-combined source images.

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