Abstract #4488
Radial CAIPIRINHA for rapid 6 slice myocardial perfusion without magnetization preparation
Haonan Wang 1 , Neal Kepler Bangerter 1 , Liyong Chen 2 , Ganesh Adluru 3 , and Edward V.R DiBella 3
1
Department of Electrical & Computer
Engineering, Brigham Young University, Provo, Utah,
United States,
2
Advanced
MRI Technologies, Sebastopol, California, United States,
3
Utah
Center for Advanced Imaging Research, University of
Utah, Salt Lake City, Utah, United States
First-pass myocardial perfusion imaging offers a
valuable method for characterizing the blood flow of the
myocardial tissue. Much of the work in myocardial
perfusion imaging has used saturation preparation and an
ECG trigger. An alternative approach is to use a spoiled
gradient echo (SPGR) steady-state acquisition that
acquires images rapidly enough so that ECG gating is not
needed. In 2D simultaneous multi-slice acquisition, we
utilize the CAIPI technology to achieve whole heart
coverage and combined that with interleaved slice
acquisition, which increases the effective TR. In this
study, we demonstrate that the ungated golden ratio
radial CAIPI with interleaved acquisition provides
reasonable CNR while providing whole heart coverage.
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