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Horst D. Becker, MD; John C. Evans, FRCS; David D. Reeder, MD; James C. Thompson, MD

AMA Arch Surg. 1974;108(2):205-207.

Abstract
In order to identify the mechanisms responsible for the inhibition of gastric secretion that follows acidification of the duodenum, we studied the effect that perfusion of the duodenum with hydrochloric acid has on the release of antral gastrin that has been stimulated by the local application of acetylcholine chloride. In five dogs, perfusion of the total duodenum significantly decreased peripheral serum gastrin levels. Acid perfusion of either the distal part of the duodenum or the duodenal bulb caused a prompt decrease in gastrin release from the antrum. The findings indicate that the inhibitory effect of duodenal acidification is explained, at least in part, by the inhibition of gastrin release from the antrum.

Author Affiliations
Galveston, Tex

From the Department of Surgery, University of Texas Medical Branch, Galveston. Dr. Becker is now with the Klinik und Poliklinik fur Allgemeinchirurgie, Gottingen, Germany; and Dr. Evans is with the Royal Infirmary, Bristol, England.

Footnotes
Accepted for publication Aug 28, 1973.

Reprint requests to the Department of Surgery, University of Texas Medical Branch, Galveston, TX 77550 (Dr. Thompson).

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