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- W2108833897 abstract "Electrical impedance epigastrography has been used to study gastric emptying and contractions in subjects when fed simple and complex meals. In order to validate findings, simultaneous measurements have been carried out using the more conventional scintigraphic technique together with epigastrography. On analysis of data and in estimating emptying times with scintigraphy, variations have been found in the half-emptying values depending on the region of the stomach selected. In this work, the results of the scintigraphic data analysis for emptying times of the fundus, body and antrum as well as the whole stomach are presented. When a meal enters the stomach, mixing waves begin. These waves macerate the meal with gentle, rippling, peristaltic movements, mixing it with secretions of the gastric glands. Few mixing waves are observed in the fundus, which primarily functions as a storage compartment. More vigorous mixing waves begin at the body part and persist for a few minutes before intensifying as they reach the antrum. Scintigraphic measurements of gastric emptying using the tri-regional pattern can be sensitive in quantifying emptying of simple and complex liquids and the method has the ability to measure the emptying rates of the different parts of the stomach for these meals. Observed relationships between scintigraphic measurements of the various parts of the stomach and gastric emptying indicate that in all types of meals, the body region represents well the overall emptying time of the whole stomach, whereas in the antral region, the emptying time is longer for the simple beverages and relatively shorter for the complex ones." @default.
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- W2108833897 date "2002-10-01" @default.
- W2108833897 modified "2023-09-27" @default.
- W2108833897 title "Variations in gastric emptying times of three stomach regions for simple and complex meals using scintigraphy" @default.
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- W2108833897 doi "https://doi.org/10.1109/tns.2002.803785" @default.
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