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Abstract #4493

Reducing Dark-Rim Artifacts in Free-Breathing First-Pass Perfusion Cardiac MRI With Cartesian Sampling and Instantaneous Image Reconstruction

Zhengwei Zhou 1,2 , Xiaoming Bi 3 , Hsin-Jung Yang 1,2 , Rohan Dharmakumar 1 , Reza Arsanjani 1,4 , C Noel Bairey Merz 4 , Daniel Berman 1,4 , Debiao Li 1,2 , and Behzad Sharif 1

1 Biomedical Imaging Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA, United States, 2 Department of Bioengineering, University of California, Los Angeles, Los Angeles, CA, United States, 3 MR R&D, Siemens Healthcare, Los Angeles, CA, United States, 4 Cedars-Sinai Heart Institute, Los Angeles, CA, United States

Conventional first-pass myocardial perfusion MRI methods are prone to dark-rim artifacts. We developed a free-breathing DRA-reduced FPP scheme with Cartesian k-space sampling and instantaneous online image reconstruction. This can be implemented into clinical routine, enhancing its clinical accessibility. Preliminary results of canine with myocardial infarction showed high accuracy compared to late gadolinium enhancement imaging.

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