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Abstract #0227

Dual Heart-Phase Cardiac DTI Using Local-Look STEAM

SUMMA25Christian Torben Stoeck1, Nicolas Toussaint2, Peter Boesiger1, Sebastian Kozerke1, 2

1Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland; 2Imaging Sciences, King's College London, London, United Kingdom

Analysis of diffusion tensor imaging of the myocardium reveals insight into cardiac mechanics. Previous studies investigated myocardial architecture at different states of cardiac contraction in ex-vivo animal hearts or by interpreting the strain tensor. In this study we present an initial direct comparison of systolic vs. diastolic fiber architecture of the in-vivo human heart based on diffusion weighted images acquired at both time points during the cardiac cycle using a local-look STEAM sequence.