title: [Basal levels of blood pepsinogen I and Helicobacter pylori infection in patients with duodenal ulcer and normal endoscopy].
abstract: OBJECTIVE
  To study basal pepsinogen I levels in patients with duodenal ulcer and in subjects with normal endoscopy, depending on Helicobacter pylori status.
  
  
  METHODS
  One-hundred and one patients with duodenal ulcer and 74 controls with normal endoscopy were studied. Mean age and gender distribution were: 46 vs 42 years, and 74% vs 43% males, respectively. At endoscopy biopsies from the gastric antrum and body were obtained for histologic (H&E) and microbiologic (Gram and culture) study. Basal levels of serum pepsinogen I were measured (RIA).
  
  
  RESULTS
  Among the subjects with a normal endoscopy, those with H. pylori infection had higher pepsinogen I levels (m +/- SD) than non-infected patients (77 +/- 27 vs 62 +/- 28 ng/ml; p < 0.05). Basal levels in duodenal ulcer patients were 107 +/- 38 ng/ml, higher (p < 0.001) than in the group with normal endoscopy (both with and without H. pylori). In multivariate analysis pepsinogen I levels were correlated with H. pylori infection (regression coef.= 17; SE= 8.1), duodenal ulcer (regr. coef.= 22; SE= 5.8) and smoking habit (regr. coef.= 24; SE= 5.2).
  
  
  CONCLUSIONS
  Basal pepsinogen I levels were significantly higher in duodenal ulcer patients than in H. pylori infected subjects with normal endoscopy. The lowest levels corresponded to non-infected patients. Therefore, an additional factor other than H. pylori infection is likely involved in the hyperpepsinogenemia classically reported in duodenal ulcer patients.
authors.affiliation: Servicio de Gastroenterología, Hospital Ramón y Cajal, Madrid.
authors.forename: J P
authors.initials: JP
authors.lastname: Gisbert
authors.forename: D
authors.initials: D
authors.lastname: Boixeda
authors.forename: T
authors.initials: T
authors.lastname: Vila
authors.forename: L
authors.initials: L
authors.lastname: de Rafael
authors.forename: C
authors.initials: C
authors.lastname: Redondo
authors.forename: C
authors.initials: C
authors.lastname: Martín de Argila
authors.forename: C
authors.initials: C
authors.lastname: Arocena
mesh_terms: D000328:Adult; D000368:Aged; D003627:Data Interpretation, Statistical; D004381:Duodenal Ulcer / Q000097:blood* / Q000175:diagnosis; D004724:Endoscopy; D005260:Female; D005756:Gastritis / Q000097:blood / Q000175:diagnosis; D016481:Helicobacter Infections / Q000097:blood* / Q000175:diagnosis; D016480:Helicobacter pylori; D006801:Humans; D008297:Male; D008875:Middle Aged; D010435:Pepsinogens / Q000097:blood*
chemical_list: D010435:Pepsinogens