J.Jpn. Surg. Soc.. 88(11): 1584-1590, 1987

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Original article

INFLUENCE OF UPPER ABDOMINAL AUTONOMIC DENERVATION ON PANCREATIC AND GUT HORMONE SECRETION

The influence of the upper abdominal autonomic denervation on the secretions of insulin (IRI), vasoactive intestinal polypeptide (VIP), secretin, pancreatic glucagon (IRG) and gut glucagon-like immunoreactivity (Gut GLI) was studied. Adult mongrel dogs, which were divided into control, truncal vagotomy and upper abdominal autonomic denervation groups, were investigated by intraduodenal glucose infusion test under general anesthesia.
The glucose level and the response of insulin, VIP, secretin, IRG and Gut GLI secretions in the truncal vagotomy group showed no significant difference compared with those in the control group. These findings suggested that the vagus nerve is not concerned largely in the glucose level and in response of insulin VIP, secretin, IRG, and Gut GLI induced by intraduodenal glucose loading. In the upper abdominal denervation group, severe diarrhea was manifested within 60 minutes after the intraduodenal glucose infusion test, and significantly increased responses were shown in secretions of insulin, VIP, secretin, IRG, and Gut GLI.
These findings suggested that upper abdominal autonomic denervation acted acceleratory on the secretions of insulin, VIP, secretin, IRG and Gut GLI by intraduodenal glucose infusion test. In addition, it was suggested that dissection of upper abdominal autonomic plexus caused diarrhea after the intraduodenal glucose infusion test.

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