Abstract #2117
Spatio-temporal analysis of antral peristaltic contractions using MRI
Eugene G. Kholmovski 1,2 , Layne Norlund 2 , Matthew Shonnard 3 , Hilary Riley 3 , and Grant W. Hennig 3
1
UCAIR, Department of Radiology, University
of Utah, Salt Lake City, Utah, United States,
2
CARMA
Center, University Of Utah, Salt Lake City, Utah, United
States,
3
Department
of Physiology & Cell Biology, University of Nevada,
Reno, Nevada, United States
The use of MRI to study gastric motor function is
limited and has mostly concentrated on quantifying
volumes during gastric emptying [1]. Other important
determinates of gastric motor function such as the
velocity, frequency, and direction of antral peristaltic
contractions have been more difficult to measure due to
temporal undersampling and diaphragmatic distortion
issues. We have developed MR image acquisition and data
analysis methods to better ascertain how propagating
antral contractions affect gastric emptying in health
and disease.
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