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Abstract #0879

Artifact-free Non-ECG-Gated First-Pass Myocardial Perfusion MRI: Continuous Acquisition for All-Systolic Imaging

Behzad Sharif 1 , Reza Arsanjani 1 , Rohan Dharmakumar 1 , Noel Bairey Merz 1 , Daniel S Berman 1 , and Debiao Li 1

1 Biomedical Imaging Research Institute, Dept. of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, California, United States

Conventional first-pass myocardial perfusion MRI methods are prone to dark-rim artifacts, require accurate ECG gating, and do not provide the freedom to image all slices at the same end-systolic phase. We present a method that overcomes these challenges and is an attractive alternative with the advantage of simplicity (no gating), higher accuracy in the subendocardium (no dark rims, and all-systolic imaging), and thereby potentially improved reliability. Preliminary results in patients with suspected CAD were of high quality and showed high accuracy compared to nuclear PET/SPECT myocardial perfusion imaging.

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