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Abstract #0542

Multiband T-Hex spirals for rapid and SNR-efficient diffusion-weighted MRI

Maria Engel1, Lars Müller1,2, André Döring1, and Derek Jones1
1Cardiff University Brain Research Imaging Centre (CUBRIC), Cardiff University, Cardiff, United Kingdom, 2Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, United Kingdom

Synopsis

Keywords: New Trajectories & Spatial Encoding Methods, New Trajectories & Spatial Encoding MethodsDiffusion weighted imaging (DWI) for advanced modelling of tissue microstructure is notoriously short in SNR and requires long scan times. In this work we boost the SNR of DWI by combining highly efficient T-Hex sampling with multiband imaging and spiral readout schemes. This allows for an unprecedented SNR efficiency and holds promise for advanced microstructural scans especially in clinical populations.

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