The prevalence of helicobacter pylori infection in Taiwan- an updated survey from 2019 to 2020 PP-0359 (#287-640)

The prevalence of helicobacter pylori infection in Taiwan- an updated survey from 2019 to 2020 PP-0359 (#287-640)

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Mei-Jyh Chen1,2, Tzu-Chan Hong1,2, Ming-Shiang Wu.1,2, Jyh-Ming Liou1,3

1Division of Gastroenterology and Hepatology, Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan.
2Department of Internal Medicine, National Taiwan University College of Medicine, Taipei, Taiwan.
3Department of Internal Medicine, National Taiwan University Cancer Center, Taipei, Taiwan

Background/Aims: Helicobacter pylori (H. pylori) infection is an important predisposing factor for gastric cancer and peptic ulcer. After improved public sanitation and national policy of H. pylori eradication, some relevant studies showed the prevalence of H. pylori in Taiwan seemed decreasing. However, the updated nationwide prevalence of H. pylori infection in Taiwan is lacking. Therefore, we aimed to assess the updated prevalence of H. pylori infection in Taiwan and explore possible risk factors for H. pylori infection.

Methods: We recruited healthy volunteers from all of Taiwan who never received H. pylori eradication. The eligible adult participants received 13C-UBT (urea breath test), H. pylori stool antigen (HpSA) and serology H. pylori antibody (HpAb) for screening of H. pylori infection to find the prevalence of H. pylori infection in Taiwan. We also recruited children and adolescent who received 13C-UBT and HpSA for screening of H. pylori infection

Results: Between Jan 1, 2019 and Dec 20, 2019, a total of 1388 asymptomatic subjects were enrolled for the prevalence study, of which 291 were adolescents/children, and 1388 were adults. Using the diagnostic tool with 13C-UBT, we found that 25.4% (334/1317) of participants were H. pylori-positive subjects, including 29.5% (304/1031) for adults and 10.5% (30/286) for adolescents/children. The age-standardized prevalence of H. pylori infection was 30.7% in asymptomatic adults after adjustment of the population structure in Taiwan. The prevalence rates of H. pylori infection were 26.1%, 23.5%, 23.5% and 44.1% in Northern, Central, Southern and Eastern Taiwan, respectively. In multi-variate logistic regression analysis, male sex, elder age, live in the Eastern Taiwan, and more siblings were significantly associated with increased risk of H. pylori infection.

Conclusion: This present study showed that the prevalence of H. pylori infection has decreased in Taiwan. The prevalence rates of H. pylori infection were different in different districts of Taiwan. It is advisable to develop screening and treatment protocol in various regions according to local conditions.

Keywords: H. pylori , prevalence , Taiwan

 
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