Abstract #3721

Multiband accelerated Fast Interrupted Steady-State (FISS) imaging with 2D Cartesian sampling

Anthony N Price^1,2, Lucilio Cordero-Grande^1,2, Shaihan J Malik^1,2, and Joseph V Hajnal^1,2

¹Biomedical Engineering Department, School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom, ²Centre for the Developing Brain, School of Biomedical Engineering and Imaging Sciences, King's College London, London, United Kingdom

In this work we demonstrate the application of Fast Interrupted Stead-State (FISS) imaging with 2D Cartesian sampling and multiband (MB) acceleration to regain scan efficiency. MB-FISS cardiac cine imaging and a free-running sequence for vessel imaging are shown to work reliably with good fat suppression. For cine cardiac imaging FISS with readouts equal to number phase-encode lines in each cardiac segment had minimal scan time increase, while FISS (n=1) lead to breath-hold durations increase ~2.5 fold, but benefit from improved fat suppression and no additional ghosting artefacts compared to bSSFP.

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