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The effect of helicobacter pylori eradication on atrophic gastritis and intestinal metaplasia : a retrospective single center research

Journal Volume 83 - 2020
Issue Fasc.3 - Original articles
Author(s) N. Suna 1, D. Etik 1, S. Öcal 1, C. Gündüz 2, A. Açikgöz 2, I. Bildik 2, A. Gürsoy 2, I. Kasgöz 2, H. Tüleylioglu 2, A. Boyacioglu 1
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PAGES 381-384
(1) Department of Gastroenterology, Faculty of Medicine, Baskent University, Ankara, Turkey
(2) Department of Internal Medicine, Faculty of Medicine, Baskent University, Ankara, Turkey.

Background and study aims: Gastric cancer (GC) is one of the major causes of cancer-related deaths worldwide. Helicobacter pylori (Hp) plays an important role in gastric carcinogenesis by inducing precancerous changes such as atrophic gastritis (AG) and intestinal metaplasia (IM). In our study, we aim to compare the grade of AG and IM before and after Hp eradication in patients who underwent esophagogastroduodenoscopy (EGD) in our center.

Patients and methods: The data of 40.060 patients who underwent EGD for various reasons in our Endoscopy Unit between June 2011 and November 2017 were retrospectively evaluated. The grade of AG and IM before and after Hp eradication of patients meeting the study criteria were compared with each other. In addition, these findings were compared using OLGA and OLGIM staging systems.

Results: A total of 175 patients, 89 (50.9%) women and 86 (49.1%) men, were included in the study. The mean age was 55±12 years. The mean time between two EGD examinations was 38±14 months. Significant improvement was observed in the grade of AG on corpus and antrum after Hp eradication (P=0.000, P=0.008). In the corpus and antrum, the grade of IM was regressed but this was not significant (P=0.80 and P=0.370 respectively). There was a decrease in OLGA stages after Hp eradication (P=0.000). There was also a reduction in the OLGIM stages, but this was not significant(P=0.341)

Conclusion: Our study demonstrates that Hp eradication may reduce the risk of developing GC by providing an improvement in AG and IM which are precancerous changes in GC.

© Acta Gastro-Enterologica Belgica.
PMID 33094583