Improved Visualization of Myocardial Perfusion Defects Using Ungated Continuously-sampled Radial First-Pass MRI with Comparison to ECG-gated 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
We have developed a non-ECG-gated myocardial perfusion
imaging technique capable of imaging all slices at the
same systolic phase. The method uses steady-state FLASH
imaging with continuous radial sampling. The results in
healthy volunteers and CAD patients demonstrate ability
of the proposed method in visualizing the transmural
extent of perfusion defects and compare its performance
to the conventional ECG-gated method.
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