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Serum pepsinogen and Helicobacter pylori infection--a Japanese population study.

Abstract
The decreased ratio of serum pepsinogen (PG) I and II has good correlation with the presence of atrophic gastritis. A total of 1,540 residents aged 30-89 years were enrolled into this study to investigate which serum PG level of residents with Helicobacter pylori infection would represent an adjunct to the diagnosis and progression of atrophic gastritis. All participants received esophagogastroduodenoscopy. Serum antibody to H. pylori (anti-H. pylori) was measured by an enzyme-linked immunosorbent assay (ELISA). Serological atrophic gastritis was defined as serum PG I isozyme level ≤70 ng/ml and a PG I/II ratio of ≤3.0. Of the 1,540 participants, 923 (59.9%) were positive for anti-H. pylori. Serological atrophic gastritis was found significantly more often in anti-H. pylori-positive participants (40.8%) than in anti-H. pylori-negative participants (7.9%) (p ≤ 0.0001). The endoscopic findings of anti-H. pylori-positive participants with serological atrophic gastritis were significantly more frequent by 4.06 times for atrophic gastritis (p ≤ 0.0001) than anti-H. pylori-negative participants without serological atrophic gastritis. Eight anti-H. pylori-positive participants were diagnosed with gastric cancer, but no cancer was found in anti-H. pylori-negative participants without serological atrophic gastritis. Serum PG testing is clinically useful for the prediction of gastric lesions in H. pylori-infected persons.
AuthorsK Toyoda, N Furusyo, T Ihara, H Ikezaki, Y Urita, J Hayashi
JournalEuropean journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology (Eur J Clin Microbiol Infect Dis) Vol. 31 Issue 9 Pg. 2117-24 (Sep 2012) ISSN: 1435-4373 [Electronic] Germany
PMID22354521 (Publication Type: Evaluation Studies, Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Antibodies, Bacterial
  • Pepsinogen A
Topics
  • Adult
  • Aged
  • Aged, 80 and over
  • Antibodies, Bacterial (blood)
  • Asian Continental Ancestry Group
  • Endoscopy, Digestive System
  • Enzyme-Linked Immunosorbent Assay
  • Female
  • Gastritis, Atrophic (diagnosis, pathology)
  • Helicobacter Infections (diagnosis, pathology)
  • Helicobacter pylori (immunology)
  • Humans
  • Japan
  • Male
  • Middle Aged
  • Pepsinogen A (blood)
  • Serum (chemistry)

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