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Abstract #0780

Diffusion tensor cardiovascular magnetic resonance in myocardial infarction: A comparison between high resolution spiral and standard resolution EPI STEAM

Margarita Gorodezky1,2, Pedro Ferreira1,2, Zohya Khalique1,2, Sonia Nielles-Vallespin1,2, Ranil de Silva1,2, Dudley Pennell1,2, Andrew Scott1,2, and David Firmin1,2

1National Heart and Lung Institute, Imperial College London, London, United Kingdom, 2Cardiovascular Magnetic Resonance Unit, Royal Brompton Hospital, London, United Kingdom

Diffusion tensor cardiovascular magnetic resonance can provide insight into the function and microstructure of the scar and adjacent region in myocardial infarction (MI). Imaging the thinned infarcted myocardial wall requires a high-resolution acquisition while frequent arrhythmia, shortness of breath and fatigue make the cohort especially challenging for imaging. A high-resolution STEAM acquisition with an interleaved variable density spiral readout and an off-resonance and T2* correction was previously demonstrated in a healthy cohort. Here, this sequence was successfully applied in 7 MI patients at a spatial resolution of 1.8x1.8x8mm3 and compared to a standard resolution EPI sequence.

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