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December 1913

THE EXAMINATION FOR DIAGNOSTIC PURPOSES OF THE ENZYME ACTIVITY OF DUODENAL CONTENTS

Author Affiliations

NEW YORK

From the Medical Service and the Laboratory of Pathological Chemistry, New York Post-Graduate Medical School and Hospital.

Arch Intern Med (Chic). 1913;XII(6):628-636. doi:10.1001/archinte.1913.00070060020003
Abstract

Since the introduction of the duodenal tube by Einhorn1 and by Gross,2 this method of reaching the duodenum has been employed for a variety of purposes. It has been used to maintain nutrition in diseases of the stomach and other conditions,3 to treat a variety of constitutional diseases by irrigation4 and to secure fluid for a study of the bacterial flora of the upper intestine, and likewise the activity of the pancreatic enzymes and the detection of bile. Despite the many possibilities which have been opened by this method of entrance into the intestines, it would appear to have received attention only in a few circles. As a method of ascertaining the activity of the pancreas for diagnostic purposes, it is obviously more logical than the various indirect methods entailing an examination of the feces or urine.

The results which have thus far been obtained in

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