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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