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Published on: May 23, 2025
Changes in the seroepidemiological pattern of Helicobacter pylori infection over the last 10 years
Ali Ozden1, Gülendam Bozdayi, Muhip Ozkan
1Department of Gastroenterology, School of Medicine, Ankara University, Ankara, Turkey.
Insights
Helicobacter pylori (H. pylori) infection seroprevalence decreased in Turkish children over ten years. This decline may reflect improved environmental conditions and socioeconomic development in Turkey.
Area of Science:
- Pediatric infectious diseases
- Epidemiology
- Microbiology
Background:
- Helicobacter pylori (H. pylori) is a significant global pathogen.
- Understanding trends in H. pylori seroprevalence is crucial for public health strategies.
Purpose of the Study:
- To assess the 10-year change in H. pylori seroepidemiology among Turkish children.
- To identify shifts in infection patterns over time.
Main Methods:
- Longitudinal study analyzing 403 serum samples from healthy children (aged 7-14) in Ankara.
- Samples collected in 1990 (n=219) and 2000 (n=184).
- Enzyme-linked immunosorbent assay (ELISA) used to detect H. pylori IgG antibodies.
Main Results:
- Overall H. pylori antibody prevalence decreased from 78.5% in 1990 to 66.3% in 2000 (p<0.01).
- The most susceptible age group shifted from 10-year-olds (89.5%) in 1990 to 8-year-olds (85.0%) in 2000.
- A statistically significant decline in H. pylori infection was observed over the decade.
Conclusions:
- The seroprevalence of H. pylori infection has notably decreased in Turkish children over a 10-year period.
- Improvements in environmental conditions and socioeconomic development are potential contributing factors to this decline.
- Continued surveillance is recommended to monitor H. pylori trends.
Background/Aims:
This study was undertaken to evaluate changes in the seroepidemiological pattern of Helicobacter pylori in a group of Turkish children over a span of 10 years.
Methods:
A total of 403 (219+184) serum samples were obtained from a primary school located in the urban part of Ankara in 1990 and 2000. All of the samples were from healthy students aged 7-14 (in 1990, n= 219, 109 females; and in 2000, n= 184, 90 females).
Results:
All serum samples were assayed for Helicobacter pylori IgG by means of enzyme-linked immunosorbent assay. The overall prevalence of Helicobacter pylori antibodies was 78.5% in 1990 and 66.3% in 2000. The prevalence of Helicobacter pylori was found to be decreasing over a time span of 10 years (p<0.01). While the most susceptible age group to Helicobacter pylori in 1990 was 10 years (89.5%), in 2000 the susceptible age group was 8 years (85.0%).
Conclusions:
Our data suggest that the seroprevalence of Helicobacter pylori infection seems to have decreased during the last 10 years in Turkey. This change may be attributable to the changes in environmental condition and socioeconomic development that have taken place in the country.
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