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Abstract #0040

Interstudy repeatability of self-gated quantitative myocardial perfusion MRI

Devavrat Likhite1, Promporn Suksaranjit2, Ganesh Adluru1, Nan Hu3, Cindy Weng3, Eugene Kholmovski1, Chris McGann2, Brent Wilson2, and Edward DiBella1

1Utah Center for Advanced Imaging Research, Department of Radiology, University of Utah, Salt Lake City, UT, United States, 2Division of Cardiovascular Medicine, University of Utah, Salt Lake City, UT, United States, 3Department of Internal Medicine, University of Utah, Salt Lake City, UT, United States

Dynamic contrast enhanced MRI is maturing as a tool in contemporary cardiovascular medicine. A self-gated method that avoids the use of ECG-gating signal has been validated by us for quantitative myocardial perfusion. Our most recent study looks at the inter-study repeatability of this quantitative self-gated method. Our findings show that the multi-slice self-gated (near-systole) approach has a comparable or better repeatability than published ECG-gated single slice studies. The purpose of this abstract is to summarize these findings from our recent work, highlighting the simplicity, ease of use and reliability of the self-gated method for quantitative myocardial perfusion.

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