Abstract #2078

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

Xingmin Guan^1,2, Yinyin Chen^1,3,4, 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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