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Abstract #3934

Myocardial perfusion imaging with an interleaved multi-slice acquisition for steady-state readout without saturation preparation or gating

Haonan Wang 1 , Neal Kepler Bangerter 1,2 , Ganesh Adluru 2 , Meredith Ireene Taylor 1 , and Edward V.R DiBella 2

1 Department of Electrical & Computer Engineering, Brigham Young University, Provo, UT, United States, 2 Utah Center for Advanced Imaging Research, University of Utah, UT, United States

First-pass myocardial perfusion imaging is a powerful method for characterizing ischemic heart disease. Standard methods use saturation preparation and an ECG trigger. A new ungated acquisition with no saturation preparation could be used to acquire steady-state spoiled gradient echo (SPGR) images. Here, readouts from multiple (three) slices are interleaved in order to keep the multiple slices at steady-state and increase the effective TR. Simulations, phantoms, and human data are used to compare the interleaved acquisition to a conventional saturation recovery sequence both in radial and Cartesian trajectories.

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