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Abstract #0671

Free-breathing cardiac DTI with simultaneous multi-slice excitation

Constantin von Deuster 1,2 , Christian T. Stoeck 2 , Martin Buehrer 2 , Jack Harmer 1 , Rachel W. Chan 3 , David Atkinson 3 , and Sebastian Kozerke 1,2

1 Division of Imaging Sciences & Biomedical Engineering, King's College London, London, London, United Kingdom, 2 Institute for Biomedical Engineering University and ETH Zurich, University and ETH Zurich, Zurich, Zurich, Switzerland, 3 Centre for Medical Imaging, University College London, London, London, United Kingdom

A navigated, simultaneous slice excitation implementation for accelerated free-breathing cardiac diffusion imaging using STEAM is proposed. By using an improved navigator gating strategy and dual-slice excitation, significant gains in scan efficiency are demonstrated. Diffusion tensor maps acquired using the proposed method compare favourably with data from conventional sequential slice breathhold acquisitions.

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