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Abstract #3959

Comparison of ADC and FA in EPI- and SSFP-based stimulated echo diffusion of the human myocardium

Elizabeth M Tunnicliffe 1 , Stefan Neubauer 1 , and Matthew D Robson 1

1 Oxford Centre for Magnetic Resonance Research, Radcliffe Department of Medicine, University of Oxford, Oxford, Oxon, United Kingdom

Cardiac diffusion imaging is of increasing interest in studying myocardial disease, both acute and chronic. This study compares diffusion metrics (ADC and FA) from and reproducibility of stimulated echo cardiac diffusion with two different readouts, EPI and SSFP, in normal volunteers. We obtain similar ADC (EPI: 1.090.09mm 2 /s; SSFP: 1.140.11mm 2 /s) and FA (EPI: 0.470.06; SSFP: 0.0410.04) with the two sequences. . The EPI method has better reproducibility due to its higher SNR.

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