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Abstract #1558

Investigating the clinical viability of a control system-based slice-following sequence for free-breathing cardiovascular DTI

Stephen G Jermy1,2, Elizabeth M Tunnicliffe3, Ntobeko A B Ntusi2,4, and Ernesta M Meintjes1,2
1Division of Biomedical Engineering, Department of Human Biology, University of Cape Town, Cape Town, South Africa, 2Cape Universities Body Imaging Centre (CUBIC), University of Cape Town, Cape Town, South Africa, 3Oxford Centre for Magnetic Resonance Research (OCMR), Radcliffe Department of Medicine, University of Oxford, Oxford, United Kingdom, 4Department of Medicine, University of Cape Town, Cape Town, South Africa


A prospective respiratory motion correction control system, capable of slice-following, was tested on a 3 T clinical MRI scanner. The performance of the control system was compared against the most common respiratory motion compensation technique, namely multiple breath-holds. Both techniques produced similarly consistent results. The control system technique was able to reduce the acquisition time by acquiring data with 100% respiratory efficiency

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