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Relationship between Helicobacter pylori infection and gastric acid secretion in young healthy subjects. 1994

K Haruma, and H Kawaguchi, and M Yoshihara, and S Okamoto, and K Sumii, and S Kishimoto, and G Kajiyama
First Department of Internal Medicine, Hiroshima University School of Medicine, Japan.

We studied the relationship between Helicobacter pylori (H. pylori) infection and gastric acid secretion, along with fasting serum gastrin levels, in 55 asymptomatic healthy volunteers under 30 years old (29 H. pylori-positive, 26 H. pylori-negative). Mean scores of antral gastritis were significantly higher in H. pylori-positive subjects than in H. pylori-negative subjects. There was no significant difference in both basal and maximal acid output between H. pylori-positive and H. pylori-negative subjects. Fasting serum gastrin levels were significantly higher in H. pylori-positive subjects than in H. pylori-negative subjects. Sex did not significantly affect gastritis scores, gastric acid secretion, or fasting serum gastrin levels, although maximal acid output was slightly higher in H. pylori-negative men than in H. pylori-positive men. Our results suggest that H. pylori infection has no direct effect on gastric acid secretion in young healthy subjects, although it induces hypergastrinemia.

UI MeSH Term Description Entries
D008297 Male Males
D005260 Female Females
D005744 Gastric Acid Hydrochloric acid present in GASTRIC JUICE. Hydrochloric Acid, Gastric,Acids, Gastric,Acids, Gastric Hydrochloric,Gastric Acids,Gastric Hydrochloric Acid,Gastric Hydrochloric Acids,Hydrochloric Acids, Gastric
D005755 Gastrins A family of gastrointestinal peptide hormones that excite the secretion of GASTRIC JUICE. They may also occur in the central nervous system where they are presumed to be neurotransmitters. Gastrin
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective
D012737 Sex Factors Maleness or femaleness as a constituent element or influence contributing to the production of a result. It may be applicable to the cause or effect of a circumstance. It is used with human or animal concepts but should be differentiated from SEX CHARACTERISTICS, anatomical or physiological manifestations of sex, and from SEX DISTRIBUTION, the number of males and females in given circumstances. Factor, Sex,Factors, Sex,Sex Factor
D016480 Helicobacter pylori A spiral bacterium active as a human gastric pathogen. It is a gram-negative, urease-positive, curved or slightly spiral organism initially isolated in 1982 from patients with lesions of gastritis or peptic ulcers in Western Australia. Helicobacter pylori was originally classified in the genus CAMPYLOBACTER, but RNA sequencing, cellular fatty acid profiles, growth patterns, and other taxonomic characteristics indicate that the micro-organism should be included in the genus HELICOBACTER. It has been officially transferred to Helicobacter gen. nov. (see Int J Syst Bacteriol 1989 Oct;39(4):297-405). Campylobacter pylori,Campylobacter pylori subsp. pylori,Campylobacter pyloridis,Helicobacter nemestrinae
D016481 Helicobacter Infections Infections with organisms of the genus HELICOBACTER, particularly, in humans, HELICOBACTER PYLORI. The clinical manifestations are focused in the stomach, usually the gastric mucosa and antrum, and the upper duodenum. This infection plays a major role in the pathogenesis of type B gastritis and peptic ulcer disease. Infections, Helicobacter,Helicobacter Infection,Infection, Helicobacter

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