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Review
. 2020 Sep:25 Suppl 1:e12734.
doi: 10.1111/hel.12734.

Review: Epidemiology of Helicobacter pylori

Linda Mezmale  1 , Luiz Gonzaga Coelho  2   3 , Dmitry Bordin  4   5   6 , Marcis Leja  1   7
Affiliations
Review

Review: Epidemiology of Helicobacter pylori

Linda Mezmale et al. Helicobacter. 2020 Sep.

Abstract

This review summarizes the recent knowledge on the epidemiology of Helicobacter pylori and the potential modes of transmission. In addition to English language publications, the authors have included original full-text publications from Russia and Latin America published in the original languages. High H pylori prevalence has been reported in Russia, Jordan, Iran, China, and Latin American countries as well as in Arctic populations in Canada. Indigenous inhabitants in the Arctic were found to be infected substantially more frequently than non-indigenous inhabitants. In Amsterdam, the Netherlands, the ethnic minority groups were at a significantly higher risk of being H pylori seropositive compared to the Dutch population. For the first time, data on the prevalence from Armenia have been published indicating 41.5% H pylori prevalence. Convincing evidence on the decline of H pylori prevalence in Southeast Hungary and Taiwan was published. A study from Chile suggested high infection rates in newborns during the first month after birth. Two meta-analyses covered the potential correlation between H pylori and periodontal diseases, therefore addressing the potential oro-oral transmission rates. Periodontal disease was found to be more prevalent in H pylori-infected subjects. Other studies addressed the potential role of drinking water and food products as well as socioeconomic factors in transmitting the infection. Several studies in Asia addressed annual reinfection rates of H pylori, ranging from 1.5% in China to 3.1% in Korea. Finally, a review was published on the current evidence and future perspective of analysing H pylori in ancient human remains by a metagenomic approach.

Keywords: H pylori; acquisition; ancient remains; epidemiology; prevalence; reinfection; risk factors; transmission.

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References

REFERENCES

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