Mechanisms of gastric emptying disturbances in chronic and acute inflammation of the distal gastrointestinal tract

Keller, Jutta and Beglinger, Christoph and Holst, Jens Juul and Andresen, Viola and Layer, Peter. (2009) Mechanisms of gastric emptying disturbances in chronic and acute inflammation of the distal gastrointestinal tract. American journal of physiology. Gastrointestinal and Liver Physiology, Vol. 297 , G861-G868.

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Official URL: http://edoc.unibas.ch/dok/A6006938

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It is unclear why patients with inflammation of the distal bowel complain of symptoms referable to the upper gastrointestinal tract, specifically to gastric emptying (GE) disturbances. Thus we aimed to determine occurrence and putative pathomechanisms of gastric motor disorders in such patients. Thirteen healthy subjects (CON), 13 patients with Crohn's disease (CD), 10 with ulcerative colitis (UC), and 7 with diverticulitis (DIV) underwent a standardized (13)C-octanoic acid gastric emptying breath test. Plasma glucose, CCK, peptide YY, and glucagon-like peptide-1 (GLP-1) were measured periodically and correlated with GE parameters. Results were given in means +/- SD. Compared with CON, GE half time (T) was prolonged by 50% in CD (115 +/- 55 vs. 182 +/- 95 min, P = 0.037). Six CD, 2 DIV, and 2 UC patients had pathological T (<200 min). Postprandial plasma glucose was increased in all patients but was highest in DIV and correlated with T (r = 0.90, P = 0.006). In CD, mean postprandial CCK levels were increased threefold compared with CON (6.5 +/- 6.7 vs. 2.1 +/- 0.6 pmol/l, P = 0.027) and were correlated with T (r = 0.60, P = 0.041). Compared with CON, GLP-1 levels were increased in UC (25.1 +/- 5.2 vs. 33.5 +/- 13.0 pmol/l, P = 0.046) but markedly decreased in DIV (9.6 +/- 5.2 pmol/l, P > 0.0001). We concluded that a subset of patients with CD, UC, or DIV has delayed GE. GE disturbances are most pronounced in CD and might partly be caused by excessive CCK release. In DIV there might be a pathophysiological link between decreased GLP-1 release, postprandial hyperglycemia, and delayed GE. These explorative data encourage further studies in larger patient groups.
Faculties and Departments:03 Faculty of Medicine > Departement Biomedizin > Former Units at DBM > Gastroenterology (Beglinger)
UniBasel Contributors:Beglinger, Christoph
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Physiological Society
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:08 May 2015 08:45
Deposited On:04 Jan 2013 08:36

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