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Abstract #2078

Dark-blood Prepared T2* Cardiac MRI Based Assessment of Intramyocardial Hemorrhage in Patients with Reperfusion Acute MI at 1.5T 

Xingmin Guan1,2, Yinyin Chen1,3,4, Hsin-Jung Yang1, and Rohan Dharmakumar1
1Cedars-Sinai Medical Center, Los Angeles, CA, United States, 2University of California, Los Angeles, Los Angeles, CA, United States, 3Radiology, Zhongshan Hospital, Fudan University, Shanghai, China, 4Medical Imaging, Shanghai Medical School, Shanghai Institute of Medical Imaging, Shanghai, China

Double inversion recovery preparation is often used in T2* cardiac MRI to acquire dark-blood images. We investigated the impact of dark-blood preparation on imaging of intramyocardial hemorrhage in patients with acute MI at 1.5T. SNR and CNR were compared between dark-blood and bright-blood T2* weighted images. Hemorrhage size, T2* were evaluated and compared between methods. Inter-observer reliability were reported as intraclass correlation coefficients. Our findings here support the notion that when choosing between bright-blood and dark-blood T2* cardiac MRI for the determination of intramyocardial hemorrhage in patients at 1.5T, bright-blood T2* cardiac MRI is likely the preferred approach.

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