Opposite effects of acute and chronic administration of alcohol on gastric emptying and small bowel transit in rat. 2001

F Izbéki, and T Wittmann, and S Csáti, and E Jeszenszky, and J Lonovics
University of Szeged, Faculty of Medicine, 1st Department of Internal Medicine, Szeged, Hungary.

The effects of acute and chronic administration of a large dose of alcohol on gastric emptying and small bowel transit were studied in rats. The development of tolerance to the acute effect of alcohol on gastrointestinal motility during chronic alcohol administration was also investigated. Gastric emptying and small intestinal transit were assessed by the Phenol Red recovery method. Acutely, ethanol was given in a dose of 2.5 g/kg body wt by gavage 30 min before the test meal. Chronically, ethanol was administered by two different methods: (1) a dose of 2.5 g/kg body wt was administered by gavage daily for 10 days; (2) animals received 15% ethanol in their drinking water for 30 days. A single large dose of alcohol inhibited gastric emptying and small bowel transit. Treatment with a large dose of alcohol for 10 days did not change the gastric emptying significantly, but inhibited the small intestinal transit. Alcohol consumption in drinking water for 30 days accelerated gastric emptying and small bowel transit. Tolerance to the acute inhibitory effect of a single large dose of alcohol on gastrointestinal motility did not develop during chronic alcohol treatment.

UI MeSH Term Description Entries
D007421 Intestine, Small The portion of the GASTROINTESTINAL TRACT between the PYLORUS of the STOMACH and the ILEOCECAL VALVE of the LARGE INTESTINE. It is divisible into three portions: the DUODENUM, the JEJUNUM, and the ILEUM. Small Intestine,Intestines, Small,Small Intestines
D008297 Male Males
D004361 Drug Tolerance Progressive diminution of the susceptibility of a human or animal to the effects of a drug, resulting from its continued administration. It should be differentiated from DRUG RESISTANCE wherein an organism, disease, or tissue fails to respond to the intended effectiveness of a chemical or drug. It should also be differentiated from MAXIMUM TOLERATED DOSE and NO-OBSERVED-ADVERSE-EFFECT LEVEL. Drug Tolerances,Tolerance, Drug,Tolerances, Drug
D005746 Gastric Emptying The evacuation of food from the stomach into the duodenum. Emptying, Gastric,Emptyings, Gastric,Gastric Emptyings
D000431 Ethanol A clear, colorless liquid rapidly absorbed from the gastrointestinal tract and distributed throughout the body. It has bactericidal activity and is used often as a topical disinfectant. It is widely used as a solvent and preservative in pharmaceutical preparations as well as serving as the primary ingredient in ALCOHOLIC BEVERAGES. Alcohol, Ethyl,Absolute Alcohol,Grain Alcohol,Alcohol, Absolute,Alcohol, Grain,Ethyl Alcohol
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor
D017208 Rats, Wistar A strain of albino rat developed at the Wistar Institute that has spread widely at other institutions. This has markedly diluted the original strain. Wistar Rat,Rat, Wistar,Wistar Rats
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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