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Helicobacter pylori colonization in infants in a peri-urban community in Karachi, Pakistan

Shaikh Qamaruddin Nizami1, Zulfiqar Ahmed Bhutta, Lawrence Weaver

  • 1Department of Pediatrics, The Aga Khan University, Karachi, Pakistan. qamaruddin.nizami@aku.edu

Journal of Pediatric Gastroenterology and Nutrition
|August 2, 2005
PubMed

Insights

Helicobacter pylori infection is common in infants in Karachi, Pakistan. Early colonization occurs, with high prevalence observed in a peri-urban community study.

Area of Science:

  • Pediatric infectious diseases
  • Epidemiology
  • Microbiology

Background:

  • The prevalence and incidence of Helicobacter pylori (H. pylori) in children in Pakistan remain largely uncharacterized.
  • Understanding H. pylori epidemiology in early childhood is crucial for public health interventions.

Purpose of the Study:

  • To determine the prevalence and age of acquisition of H. pylori infection/colonization in infants.
  • To investigate H. pylori in a peri-urban community in Karachi, Pakistan.

Main Methods:

  • A field-based epidemiological study was conducted in a peri-urban community in Karachi.
  • Infants aged 1-3 months were recruited from a birth cohort.
  • The carbon-13 urea breath test (C-UBT) was administered at 1, 2, 3, 6, and 9 months of age.

Main Results:

  • 148 infants were recruited, with 319 C-UBT tests performed over 2 years.
  • A high prevalence of H. pylori was detected: 72% of all tests were positive.
  • Prevalence was notably high in younger infants: 80% at 1 month, 79% at 2 months, and 76% at 3 months.

Conclusions:

  • The study indicates early colonization and a high prevalence of H. pylori in infants in this Pakistani community.
  • Findings highlight the urgent need for strategies to address H. pylori infection in early childhood in the region.
Abstract

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