Abstract Title:

Acute effects of fever, fasting and aspirin on infant rat gastric mucosa.

Abstract Source:

Taiwan Yi Xue Hui Za Zhi. 1989 Sep;88(9):869-73. PMID: 2621427

Abstract Author(s):

P H Chen, M H Chang, Y H Chuang, Y C Liu


Clinical experience shows that young children with gastrointestinal bleeding have frequently had some preceding febrile illness for which aspirin was administered. Febrile young children often have poor food or liquid intake, or have been in a fasting state because of diarrhea, vomiting or anorexia. The objective of this study was to determine the acute effects of fever, fasting and oral aspirin administration on the gastrointestinal mucosa. One hundred and sixty-eight infant rats, from 21 to 28 days of age and weighting from 70 to 120 g were studied. Random assignment was made to eight groups (Grs): Control (Gr I); aspirin administration only (Gr II); fasting only (Gr III); fever only (Gr IV); aspirin and fever (Gr V); fasting and fever (Gr VI); aspirin and fasting (Gr VII); and aspirin, fever and fasting (Gr VIII). Aspirin was given orally in a single daily dose of 200 mg/kg for two days. Fever was induced by an intraperitoneal injection of 0.6 ml salmonella vaccine. Fasting time lasted from 40 to 48 hours (8 hours prior to the beginning of the experiment to the end of study). The severity of the gastric bleeding was estimated by scoring the number of petechiae and the percentage of the hemorrhagic erosion area from grade 0 to 3. Results showed that rats in Grs VII and VIII had significantly more severe grades of petechiae and hemorrhage than the other groups. These were the groups where the risk factors of fasting and aspirin administration coexisted. In addition to fasting, Gr VIII had fever, but this group did not show more gastric mucosal damage than Gr VII showed.(ABSTRACT TRUNCATED AT 250 WORDS)

Study Type : Animal Study

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