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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