Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/63218
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Type: Journal article
Title: Gastrointestinal hormonal dysfunction in gastroparesis and functional dyspepsia
Author: Khoo, J.
Rayner, C.
Feinle-Bisset, C.
Jones, K.
Horowitz, M.
Citation: Neurogastroenterology and Motility, 2010; 22(12):1270-1278
Publisher: Blackwell Publishing Ltd
Issue Date: 2010
ISSN: 1350-1925
1365-2982
Statement of
Responsibility: 
J. Khoo, C. K. Rayner, C. Feinle-Bisset, K. L. Jones & M. Horowitz
Abstract: BACKGROUND: Numerous hormones secreted by the gut, during both the fasted state and in response to a meal, influence gastrointestinal motor and/or sensory function, and appear to contribute to the pathogenesis of delayed gastric emptying associated with gastroparesis, functional dyspepsia (FD) and feed intolerance in critical illness. Gut hormones are, accordingly, potential targets for the management of these patients. PURPOSE: This article will discuss the hypersensitivity to enteral fat and endogenous (nutrient-stimulated) and exogenous cholecystokinin (CCK) in patients with FD, and the elevation in both fasting and postprandial CCK levels evident in this group. It will review the use of pharmacological agonists of motilin and ghrelin, which accelerate gastric emptying, in the management of gastroparesis and FD. The frequent finding of markedly delayed gastric emptying in the critically ill will be examined; this is associated with elevated plasma CCK and peptide YY in both the fasted and postprandial states, which may account for the increase in small intestinal nutrient inhibitory feedback on gastric motility in this group. The concepts that the rate of gastric emptying is a major determinant of postprandial glycemic excursions in diabetes, and that modulation of gastric emptying may improve glycemic control, will be addressed; in type 1 and insulin-treated type 2 diabetic patients, co-ordination of insulin administration with nutrient delivery and absorption should be optimized, while type 2 patients who are not on insulin are likely to respond to dietary and/or pharmacological interventions which slow gastric emptying.
Keywords: diabetes; gastroparesis; glucagon-like peptide-1; cholecystokinin; peptide YY; ghrelin.
Rights: © 2010 Blackwell Publishing Ltd.
RMID: 0020102871
DOI: 10.1111/j.1365-2982.2010.01609.x
Appears in Collections:Medicine publications

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