Prevalence of Helicobacter pylori Infection Worldwide: A Systematic Review of Studies with National Coverage

• Type: Another Publication in an International Scientific Journal
• Date: 2014

Authors

peleteiro, b (Author) FMUP; Bastos, A (Author) Other; Ferro, A (Author) Other; Lunet N (Author) FMUP

Journal

The Journal is awaiting validation by the Administrative Services.

Title: DIGESTIVE DISEASES AND SCIENCES

Vol. 59

Pages: 1698-1709

ISSN: 0163-2116

Indexing

ISI Web of Knowledge - 229 Citations

Scopus - 258 Citations

Other information

Authenticus ID: P-009-RMD

DOI: 10.1007/s10620-014-3063-0

Abstract (EN): The systematic assessment of large population-based surveys addressing the prevalence of Helicobacter pylori infection may provide robust evidence for understanding the trends in the exposure to this major risk factor across settings with distinct patterns of gastric cancer variation. Our aim was to describe the prevalence of H. pylori infection in different countries and periods, through systematic review of the literature. We searched PubMed from inception up to September 2013 to identify original studies reporting on the prevalence of H. pylori, and only those evaluating samples with national coverage were included. We identified 37 eligible studies including data for 22 countries. The prevalences were higher in Central/South America and Asia, and at least two-fold higher in countries with high gastric cancer incidence. In most countries presenting data for different time periods, the prevalences were usually lower in the most recent surveys. However, there was little variation in settings where prevalences were already low. Among countries with high prevalence of H. pylori infection there is an ample scope for reducing its burden in the next decades, whereas further declines in settings with already low prevalences will require more intensive efforts.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 12