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Abstract #3606

Right ventricular T1 mapping using a novel STEAM-based approach: STEAM-SASHA

Malte Roehl1,2, Peter D Gatehouse1,2, Pedro F Ferreira1,2, Sonya V Babu-Narayan1,2, David N Firmin1,2, Dudley J Pennell1,2, Sonia Nielles-Vallespin1,2, and Andrew D Scott1,2
1National Heart and Lung Institute, Imperial College London, London, United Kingdom, 2Cardiovascular Magnetic Resonance Unit, Royal Brompton Hospital, London, United Kingdom

Here we propose a new method to reduce the influence of blood and epicardial fat on right ventricular T1 mapping. This is achieved by leveraging the excellent blood and fat suppression provided by the stimulated echo acquisition mode (STEAM) EPI sequence in a novel saturation recovery based (SASHA) single-shot T1 mapping sequence. The novel (STEAM-SASHA) approach is evaluated and compared to a standard modified Look-Locker imaging sequence in both phantom and in vivo measurements in the septum and right ventricle.

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