Abstract:
BACKGROUND:Proton pump inhibitor (PPI) therapy is known to suppress gastric acid secretion. Thus PPI therapy may decrease gastric volume and gastric contents available for gastro-oesophageal reflux by decreasing acid secretion. AIM:To determine the effect of PPI therapy on the gastric volume after a standard meal. METHODS:A total of nine healthy subjects were studied using magnetic resonance imaging, before and after a standard liquid meal mixed with a paramagnetic contrast to help demarcate the gastric region. Images were acquired for a total of 90 min after the meal. Studies were conducted before and following esomeprazole twice daily for 7 days. Images were analysed to determine the gastric liquid volume. RESULTS:Gastric volume, 15 min after the meal peaked to 611 +/- 37 mL on the control day and 539 +/- 30 mL following the PPI administration (P < 0.001). Average gastric volume remained significantly lower (56 +/- 9 mL, P < 0.05) on the PPI therapy from 5 to 75 min after the meal. CONCLUSIONS:Proton pump inhibitor therapy causes a significant reduction in the gastric contents volume during first 75 min after the meal. In addition to increasing the gastric pH, PPI therapy may decrease the frequency of gastro-oesophageal reflux by decreasing the volume of gastric contents.
journal_name
Aliment Pharmacol Therjournal_title
Alimentary pharmacology & therapeuticsauthors
Babaei A,Bhargava V,Aalam S,Scadeng M,Mittal RKdoi
10.1111/j.1365-2036.2009.03947.xsubject
Has Abstractpub_date
2009-04-15 00:00:00pages
863-70issue
8eissn
0269-2813issn
1365-2036pii
APT3947journal_volume
29pub_type
杂志文章abstract:BACKGROUND:Direct antiviral therapies for chronic hepatitis C virus (HCV) infection have expanded treatment options for neglected patient populations, including elderly patients who are ineligible/intolerant to receive interferon (IFN)-based therapy. AIM:To investigate the efficacy, tolerability and potential for drug...
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