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. 1971 Aug;12(8):611-5.
doi: 10.1136/gut.12.8.611.

An evaluation of indium DTPA chelate in the measurement of gastric emptying by scintiscanning

R C Heading, P Tothill, A J Laidlaw, D J Shearman

An evaluation of indium DTPA chelate in the measurement of gastric emptying by scintiscanning

R C Heading et al. Gut. 1971 Aug.

Abstract

The sequential scintiscanning technique was used to determine gastric emptying rates in adult human subjects after ingestion of a meal of cornflakes and milk to which a gamma-emitting radioactive isotope had been added.Comparison of emptying rates using (113m)In DTPA chelate and (51)Cr sodium chromate showed that significantly slower rates were recorded with chromate, and studies in vitro demonstrated adsorption of chromate to the solid component of the meal. The results imply that the liquid phase of the gastric contents after a meal is discharged through the pylorus more rapidly than the solid phase. Scintiscanning with indium chelate provides a measurement of the emptying of the liquid phase of the gastric contents.

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