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
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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