Abstract

Background/aims: Interactions between Helicobacter pylori (Hp) and gastroesophageal reflux disease (GERD), which are common diseases worldwide, are confusing. In this study, the aim was to compare and evaluate the relationship between reflux esophagitis (RE) and Hp infection in adult patients with both the gastric localization of Hp and its histopathologic features.Materials and methods: 248 patients with RE were compared with 249 age and sex matched control groups. Biopsy specimens obtained from the gastric antrum and corpus were histologically evaluated.Findings: The incidence of Hp infection was significantly lower in patients with RE than in the control group (Ratio 1.53, 95% CI 1.07–2.20; p = .02, p < .05). Corpus Hp colonization and corpus gastritis scores were notably lower in the study group (p = .01, p < .05), whereas there was no significant difference in Hp colonization and antrum gastritis scores in the antrum. Corpus Hp colonization and gastritis scores were found to be negatively correlated with esophagitis development (r = −0.11; p = .01; (r = −0.14; p = .00 respectively, p < .05). There was no difference between the groups in terms of atrophy development (p > .05).Conclusion: This study showed that the presence of Hp infection in the corpus and corpus gastritis score was significantly lower in patients with erosive reflux esophagitis than in the control group. It also showed that Hp colonization and corpus gastritis scores were negatively correlated with esophagitis development. This inverse relationship was independent of atrophy.

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