Effect of intravenous infusion of glyceryl trinitrate on gastric and small intestinal motor function in healthy humans

Jan Lysgård Madsen, Stefan Fuglsang, J Graff

1 Citationer (Scopus)

Abstrakt

BACKGROUND: Glyceryl trinitrate is a donor of nitric oxide that relaxes smooth muscle cells of the gastrointestinal tract. Little is known about the effect of glyceryl trinitrate on gastric emptying and no data exist on the possible effect of glyceryl trinitrate on small intestinal transit. AIM: To examine the effect of intravenous infusion of glyceryl trinitrate on gastric and small intestinal motor function after a meal in healthy humans. METHODS: Nine healthy volunteers participated in a placebo-controlled, double-blind, crossover study. Each volunteer was examined during intravenous infusion of glyceryl trinitrate 1 microg/kg x min or saline. A gamma camera technique was used to measure gastric emptying and small intestinal transit after a 1600-kJ mixed liquid and solid meal. Furthermore, duodenal motility was assessed by manometry. RESULTS: Glyceryl trinitrate did not change gastric mean emptying time, gastric half emptying time, gastric retention at 15 min or small intestinal mean transit time. Glyceryl trinitrate did not influence the frequency of duodenal contractions, the amplitude of duodenal contractions or the duodenal motility index. CONCLUSIONS: Intravenous infusion of glyceryl trinitrate 1 microg/kg x min does not induce major changes in gastric or small intestinal motor function after a 1600-kJ meal in healthy volunteers.
OriginalsprogEngelsk
TidsskriftAlimentary Pharmacology and Therapeutics
Vol/bind23
Udgave nummer8
Sider (fra-til)1251-7
ISSN0269-2813
StatusUdgivet - 2006

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