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HAROLD F. WELCH, MD; EDWARD ATTARIAN, MD

AMA Arch Surg. 1964;89(1):203-208.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Normally, there is little reflux of pancreatic juice into the stomach. If reflux does occur, pancreatic amylase along with the swallowed salivary amylase is quickly inactivated by the normal acidity of the stomach. Consequently, digestion of starch, dependent on amylase activity, does not occur in the stomach. Only peptic digestion of protein goes on in this acid media. In the achlorhydric stomach, amylase activity may be significantly greater, especially when the pyloric sphincter mechanism has been destroyed or bypassed. In this situation, pancreatic or salivary amylase may act prematurely with rapid breakdown of the large starch molecule into many smaller carbohydrate molecules and consequent rise in osmolarity. Moore¹ has stressed the importance of the stomach as an "osmotic shield" in the prevention of dumping. In the partially resected stomach this shield is lost, for its important function as a food reservoir is vitally impaired and the "installment emptying" characteristic . . . [Full Text PDF of this Article]

Author Affiliations
ALBANY, NY

Department of Surgery and Medicine, Albany Medical College and Veterans Administration Hospital.

Footnotes
Read before the 21st Annual Meeting of the Central Surgical Association, Rochester, Minn, Feb 27-29, 1964.

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