Abstract:
:In order to evaluate the mechanism behind the augmented postprandial gastric inhibitory polypeptide (GIP) release seen in patients with achlorhydria and hypergastrinemia, 8 healthy subjects were given a liquid test meal on three different days. On 1 day the meal was preceded by ranitidine (H2 receptor antagonist) to block the gastric H+ secretion. On another day the meal was also preceded by ranitidine, but on this occasion gastrin was infused intravenously during the first hour in order to induce hypergastrinemia. On a third day the meal was given along to serve as a control. Finally, 6 healthy fasting subjects were given a 1-hour intravenous infusion of gastrin after pretreatment with ranitidine. Plasma GIP responses after the meal on the days with ranitidine alone or together with the gastrin infusion did not differ significantly from that found on the control day. When gastrin was infused in the fasting state, no effect was seen on the basal GIP levels. Thus, neither exogenous gastrin nor achlorhydria seems to affect the plasma GIP release, and it appears more likely that a rapid gastric emptying rate can account for the augmented GIP response found in achlorhydric patients.
journal_name
Digestionjournal_title
Digestionauthors
Jorde R,Schulz TB,Burhol PG,Waldum HLdoi
10.1159/000198815subject
Has Abstractpub_date
1982-01-01 00:00:00pages
81-7issue
2eissn
0012-2823issn
1421-9867journal_volume
25pub_type
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