Abstract #1558

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

Stephen G Jermy^1,2, Elizabeth M Tunnicliffe³, Ntobeko A B Ntusi^2,4, and Ernesta M Meintjes^1,2

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

Synopsis

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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