Abstract
Twenty-six patients were treated for duodenal or recurrent ulcer with selective gastric vagotomy plus precise antrectomy--that is, complete removal of the entire antrum. Sixteen had a gastroduodenal anastomosis and 10 a gastrojejunal anastomosis. Fasting and protein meal-stimulated serum gastrin concentration was measured in 10 patients before antrectomy and in all after the operation. Fasting serum gastrin concentration was reduced and food-stimulated gastrin response abolished irrespective of the type of the anastomosis. It is concluded that a postprandial gastrin rise means retained antral tissue in the gastric remnant and that neither protein nor mechanical stimulation of the passage of food through the duodenum stimulates the duodenal G-cells to gastrin release.
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