Abstract
The purpose of this study was to evaluate the effect of coffee on solid phase gastric emptying in patients with non-ulcer dyspepsia (NUD). Twenty-one NUD patients with an endoscopic negative finding or superficial gastritis were included in this study. Radionuclide labeled solid meals were used to assess the gastric emptying times (GET) of the stomach. A control meal was composed of radionuclide solid meal and 500ml 5% of glucose water. The study meal was made from addition of 4g of instant coffee into the control meal. Of the 21 total cases, 1 demonstrated prolonged GET, 6 had shortened GET, and the other 14 showed no significant difference in GET. There were no statistically significant differences (p > 0.05) between the control and the study meal after coffee intake. Our data suggests that there may be some ingredient in coffee that promotes gastric motility, but this effect is counteracted by intestinal feedback, and the net effect is not significant.
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