The mother as source of Helicobacter pylori infection

Maria Weyermann1, Guido Adler, Hermann Brenner

  • 1Department of Epidemiology, The German Centre for Research on Ageing, Heidelberg, Germany.

Insights

Infected mothers are the primary source of Helicobacter pylori (H. pylori) transmission to children. This finding highlights the importance of maternal H. pylori status in pediatric infection risk.

Area of Science:

  • Microbiology
  • Pediatrics
  • Epidemiology

Background:

  • Investigating intrafamilial transmission of Helicobacter pylori (H. pylori) infection.
  • Examining H. pylori occurrence based on parental infection status in a German birth cohort.

Purpose of the Study:

  • To determine the primary source of H. pylori infection in children within a family setting.
  • To quantify the association between parental H. pylori status and child infection.

Main Methods:

  • Longitudinal study of a community-based birth cohort in Germany.
  • H. pylori infection assessed using C-urea breath test and monoclonal antigen stool test.
  • Parental and child infection status determined at birth and age 3 years, respectively.

Main Results:

  • 2.4% of children (20 of 834) were infected with H. pylori by age 3.
  • Maternal H. pylori infection significantly increased the odds of child infection (OR=12.9).
  • Paternal infection showed a weaker, non-significant association with child infection (OR=1.4).

Conclusions:

  • Infected mothers represent the main source of H. pylori transmission to their children.
  • Maternal H. pylori status is a critical factor in pediatric H. pylori acquisition.
  • Further research into maternal-to-child H. pylori transmission pathways is warranted.
Abstract

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