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March 1980

Abnormal Gastrocolic Response in Patients With Intestinal Pseudo-obstruction

Author Affiliations

From the Gastrointestinal Section, Department of Medicine, University of Pennsylvania, Philadelphia.

Arch Intern Med. 1980;140(3):386-387. doi:10.1001/archinte.1980.00330150100023

• Gastrointestinal motility disturbances after endogenous stimuli have been demonstrated only in the esophagus and small intestine in patients with chronic idiopathic pseudo-obstruction. The 1,000-calorie meal stimulated a significant increase in spike and contractile activity in normal subjects. No increase in colonic spike or contractile activity occurred in patients with chronic idiopathic pseudo-obstruction even though colonic motility increased normally following the administration of neostigmine methylsulfate. These findings suggest that the normal response to eating is absent in patients with chronic idiopathic intestinal pseudo-obstruction even though their smooth muscle has been shown to be responsive to cholinergic stimulation. This loss of a gastrocolic response is further evidence for a disorder of the neurohumoral control mechanisms in patients with chronic idiopathic intestinal pseudo-obstruction.

(Arch Intern Med 140:386-387, 1980)