title: Effect of Helicobacter pylori eradication on bulbitis and duodenal gastric metaplasia.
abstract: OBJECTIVE
  Duodenal gastric metaplasia seems to be linked to infection by Helicobacter pylori, to the extent of acid secretion and to bulbitis. An investigation was made of the relationship between bulbitis and duodenal gastric metaplasia, or whether bulbitis can arise along with duodenal gastric metaplasia after Helicobacter pylori eradication in an average of six years.
  
  
  METHODS
  We compared 22 patients with duodenal ulcers [male/female 16/6; (mean age+/-SD) 55+/-12 years] Helicobacter pylori-negative after eradication, with 23 Helicobacter pylori-positive patients free from active duodenal ulcers [male/female 17/6; (mean age+/-SD) 59+/-12 years].
  
  
  RESULTS
  The bulbitis score was found to be lower in the Helicobacter pylori-negative than in the Helicobacter pylori-positive group (p=0.02). The duodenal gastric metaplasia score in the Helicobacter pylori-negative was higher than in the Helicobacter pylori-positive group (p=0.001). We failed to find any relationship between the presence of bulbitis and duodenal gastric metaplasia. We found a non-significant inverse correlation between the presence of duodenal gastric metaplasia and chronic body gastritis (p=0.07).
  
  
  CONCLUSIONS
  Bulbitis and duodenal gastric metaplasia may depend on different causal factors not related to Helicobacter pylori infection. The extension of duodenal gastric metaplasia with time following recovery from peptic ulcer disease may represent a mucosal protection factor against acid.
authors.affiliation: Department of Gastroenterology Ospedale Nuovo, Rivoli, Italy.
authors.forename: Renzo
authors.initials: R
authors.lastname: Suriani
authors.forename: Ivo
authors.initials: I
authors.lastname: Venturini
authors.forename: Giovanni C
authors.initials: GC
authors.lastname: Actis
authors.forename: Giuseppe
authors.initials: G
authors.lastname: Rocca
authors.forename: Mario
authors.initials: M
authors.lastname: Rizzetto
authors.forename: Elena
authors.initials: E
authors.lastname: Cerutti
authors.forename: Dario
authors.initials: D
authors.lastname: Mazzucco
authors.forename: Enrico
authors.initials: E
authors.lastname: Cardesi
authors.forename: Maria Luisa
authors.initials: ML
authors.lastname: Zeneroli
mesh_terms: D000368:Aged; D002908:Chronic Disease; D004382:Duodenitis / Q000382:microbiology* / Q000473:pathology*; D004386:Duodenum / Q000473:pathology*; D004847:Epithelial Cells / Q000473:pathology; D005260:Female; D005753:Gastric Mucosa / Q000382:microbiology / Q000473:pathology*; D005756:Gastritis / Q000382:microbiology; D016481:Helicobacter Infections / Q000473:pathology*; D016480:Helicobacter pylori; D006801:Humans; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies