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Background: The NIH Consensus Conference in 1994 (1) concluded that all patients with peptic ulcer disease should be tested and treated for Helicobacter pylori and that further evaluation was needed for patients in remission., Materials and Methods: We evaluated in a double blind randomization 30 patients whose duodenal ulcers had been healed with H2-receptor antagonists and who remained in remission on maintenance therapy. After ulcer healing and the presence of H. pylori had been confirmed, these patients were randomized to receive eradication therapy or placebo and were followed for a mean period of 23 months., Results: Almost all patients receiving placebo had ulcer recurrence, whereas the patients treated with antibiotics demonstrate a low recurrence rate., Conclusion: These data suggest, for the first time to our knowledge, the importance of treating with antibiotics duodenal ulcer patients whose disease is in remission.

Forty-nine haemodialyzed patients have been submitted consecutively, under informed consent, to endoscopy with multiple antral gastric mucosa biopsies for Helicobacter pylori (HP) identification, performed by urease, microscopic and cultural tests, as well as histologic examination. Patients have been considered HP negative when negative for all tests; positivity for HP has been correlated with gastritis histologically evaluated according to Whitehead; at endoscopy, blood samples for HP specific IgG, IgA, IgM have been collected; patient's life style concerning smoke, alcohol and drugs as FANS has been investigated as well. HP prevalence in our haemodialyzed patients is 38.8 per cent, similar to general population submitted to endoscopy; a statistically significant correlation between HP and gastritis and specific IgG, but no correlation between HP and age, dialysis duration, IgA, IgM, smoking, alcohol or drugs consumption has been found.