Abstract
The latest accessible data indicate, that Helicobacter pylori (H.p.) infection, particularly by cagA-positive strains, protects against the development of gastroesophageal reflux disease (GERD) and its complications. Various epidemiological, pathophysiological and clinical studies demonstrate this protective effect, which is dependent on the extent of H.p. induced gastritis. Severe corpus gastritis may cause a profound reduction of acid secretion. In regard to acute or chronic PPI therapy of GERD the biological antisecretory effect of H.p. is of minor benefit. Development of atrophic gastritis in patients with GERD treated chronically with PPI is still uncertain. On account of the protective effect of H.p. against GERD, it is prudent to reserve H.p. eradication for the well-established indications.
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