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Abstract #2124

Quantification of gastric secretion, mixing and emptying within single breath hold

Dian Liu 1 , Jelena Curcic 1,2 , Sebastian Kozerke 1 , and Andreas Steingoetter 1,2

1 Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland, 2 Division of Gastroenterology and Hepatology, University of Zurich, Zurich, Switzerland

A combined dual-flip angle, dual repetition T1B1 mapping scheme has been previously validated for in vivo quantification of gastric secretion and mixing. Practical limitation of this approach is the need for multiple breath hold cycles and its sensitivity to motion and flow. This study evaluates the combination of the novel rapid B1 mapping technique DREAM with slice profile correction and the dual-flip angle T1 mapping scheme for robust T1 quantification of gastric content during a single breath hold with improved co-registration of T1 and B1 maps.

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