PMID: 15385716Sep 24, 2004Paper

Gastric pH and Helicobacter pylori infection in patients with liver cirrhosis

The Korean Journal of Hepatology
Yeong Jin NamTae Hui Han

Abstract

Data from previous studies on gastric acid secretion and the prevalence of H. pylori in liver cirrhosis patients remain poorly defined. H. pylori is a potential source of NH3, but the possible role of H. pylori in hepatic encephalopathy is not clear. The purpose of this study was to compare gastric acid secretion, the impact of H. pylori infection, and the production of NH3 between cirrhotic patients and healthy, matched controls. Twenty-nine patients with liver cirrhosis (HBV, n=12; Alcohol, n=12; HCV, n=5) were matched with 33 healthy persons for age and sex. None of the patients or controls were being treated with antacids, H2-receptor blockers or proton pump inhibitors. The pH and NH3 concentration was measured in gastric juice obtained by endoscopy. H. pylori infection was diagnosed using the rapid urease test. The level of NH3 in venous blood was also measured. The average gastric pH was significantly higher in cirrhosis patients compared to controls (3.91 vs. 2.99, P<0.05). In addition, the prevalence of hypochlorhydria (defined as pH>4) was significantly greater in cirrhosis patients (45 vs. 21%, P<0.05). In contrast, the prevalence of H. pylori infection (62% vs. 58%) and gastric NH3 concentrations (3.4 vs. 3.3 mM/L) w...Continue Reading

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