Hypergastrinaemia: a new mechanism. 1991

P H Deprez, and P Ghosh, and R A Goodlad, and S L Lacey, and S Millership, and R J Playford, and C Y Lee, and J Calam
Department of Medicine, Royal Postgraduate Medical School, Hammersmith Hospital, London, UK.

The mechanism by which lack of gastric acid causes hypergastrinaemia was investigated in seven patients with pernicious anaemia. Perfusion of gastric juice from the fasting patients (adjusted to pH 7.0) into the stomachs of conscious rats caused a significant rise in plasma gastrin (median 14 [range 2-20] pmol/l to 27 [12-65] pmol/l; p less than 0.01), whereas perfusion of bicarbonate buffer (18 [13-23] pmol/l to 20 [9-25] pmol/l) or gastric juice from a duodenal ulcer patient (also pH 7.0; 13 [3-30] pmol/l to 17 [9-27] pmol/l) had no significant effect. During gastric lavage at pH 7.0 the median plasma gastrin concentration of the pernicious anaemia patients fell from 320 (63-1760) pmol/l to 125 (46-760) pmol/l (p less than 0.03).

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
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
D005751 Gastric Lavage Medical procedure involving the emptying of contents in the stomach through the use of a tube inserted through the nose or mouth. It is performed to remove poisons or relieve pressure due to intestinal blockages or during surgery. Irrigation, Gastric,Lavage, Gastric,Gastric Irrigation,Gastric Irrigations,Gastric Lavages,Irrigations, Gastric,Lavages, 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
D006863 Hydrogen-Ion Concentration The normality of a solution with respect to HYDROGEN ions; H+. It is related to acidity measurements in most cases by pH pH,Concentration, Hydrogen-Ion,Concentrations, Hydrogen-Ion,Hydrogen Ion Concentration,Hydrogen-Ion Concentrations
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000752 Anemia, Pernicious A megaloblastic anemia occurring in children but more commonly in later life, characterized by histamine-fast achlorhydria, in which the laboratory and clinical manifestations are based on malabsorption of vitamin B 12 due to a failure of the gastric mucosa to secrete adequate and potent intrinsic factor. (Dorland, 27th ed) Addison's Anemia,Anemia, Addison's,Pernicious Anemia,Addison Anemia,Addisons Anemia,Anemia, Addison,Anemia, Addisons

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