The clinical need of covering multiple slices in myocardial perfusion constrains the saturation delay time to be short. However, this may be suboptimal in terms of myocardial/defect tissue contrast and blood/myocardium signal ratios. Moreover, it is not possible to acquire the same slice twice, and all slices are at different cardiac phases.
In this study, we develop a perfusion sequence which provides dual phase and dual contrast data using simultaneous multi-slice at two different saturation delay times. Simulations and in-vivo data acquired in patients demonstrated a 150% increase of myocardial/defect contrast, and decreased blood/myocardium signal ratio by 60 to 80%.
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