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Abstract #1884

Accelerated Dynamic MRI for the Assessment of Esophageal Peristalsis During Swallowing

Ethan M I Johnson1, Sourav Halder2, Peter J Kahrilas1, John E Pandolfino1, Neelesh A Patankar2, and Michael Markl1
1Northwestern University, Chicago, IL, United States, 2Northwestern University, Evanston, IL, United States

Pure pineapple juice was reduced by heating to a range of concentrations, and the T1 values were characterized for each concentration. A log-linear relationship between concentration factor and T1 reduction factor was shown. In vivo dynamic MR imaging of esophageal peristalsis was demonstrated using a modified MR angiography sequence and a 50% volume-reduced concentration of pineapple juice as swallowable contrast agent.

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