Nov 1, 1977

Gastric secretion and emptying after ordinary meals in duodenal ulcer

J R MalageladaV L Go


We have studied the gastric response to an ordinary solid-liquid meal in 12 patients with active duodenal ulcer and 8 healthy volunteers. Our method employs gastric and duodenal markers to quantify acid, pepsin, and volume outputs in response to the meal, without manipulating intragastric pH. Intragastric volume, rate of gastric emptying, delivery of acid into the duodenum, and serum gastrin response were also measured simultaneously. On a separate day, peak acid output in response to betazole (1.5 mg per kg subcutaneously) was determined. Our results indicate an inappropriately prolonged gastric secretory response to meals in duodenal ulcer disease, without a concomitant increase in peak postprandial secretory rates or an increase in serum immunoreactive gastrin levels. Further, the stomach in duodenal ulcer disease did not "retain" the additional acid secreted in the later postprandial period, and abnormally high rates of acid delivery into the duodenum occurred. Our data are consistent with a dual defect in the duodenal mechanisms regulating both acid secretion and acid delivery into the duodenum.

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Mentioned in this Paper

Gastric Juice
Thyroid Hormone Plasma Membrane Transport Defect
Pepsin 3
Gastric Emptying
Entire Duodenum
Gastric Secretion Function
Duodenal Ulcer

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