The secretions on the proximal and distal sides of the pylorus have been studied in 125 patients entering Lakeside Hospital during the past year, complaining of various gastro-intestinal disturbances. The secretions were obtained on a fasting stomach in all cases and in many of the cases the secretory and motor function of the stomach was also determined.
The Einhorn and Rehfuss tubes were used. The Rehfuss tip, being oval, with slits on the side, and relatively large, when passing through the pylorus, became plugged by the walls of the pylorus and no secretion could be aspirated during this time. To remedy this a small opening was made in the end.
The tube was passed, as a rule, on a fifteen-hour fasting stomach. The tip was introduced into the mouth when the patient was lying down. The patient then swallowed and as soon as the tip passed into the esophagus he
ROBINSON AS. A CLINICAL STUDY OF THE SECRETIONS ON THE PROXIMAL AND DISTAL SIDES OF THE PYLORUS. Arch Intern Med (Chic). 1917;XIX(2):220–238. doi:10.1001/archinte.1917.00080210061003
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