H. pylori infection was linked to abdominal aortic aneurysm
A pooled analysis found higher relative risk, but study differences and missing details limit its meaning for individual risk.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Across the included studies, H. pylori infection was associated with abdominal aortic aneurysm development. The pooled result indicates higher relative risk, but it does not establish that infection causes aneurysms. It also does not show whether treating the infection changes aneurysm risk, so it cannot support a prevention recommendation.
This abstract-based summary cannot assess participant characteristics, reference groups or follow-up periods because these are omitted. Substantial differences between studies also limit interpretation of the pooled estimate.
What researchers found
Abdominal aortic aneurysm development with H. pylori infection
On a risk ratio scale, one means no difference. This estimate indicates risk 1.54 times as high; the reference group and follow-up timeframe were unspecified. It does not give absolute risk.
How researchers approached the question
Researchers searched medical databases, assessed study quality and pooled risk ratios. Their approach summarized associations across existing studies, while the abstract leaves the designs and participant details of those studies unspecified.
How study differences affect interpretation
The authors reported consistent results in additional analyses despite substantial variation between studies. That consistency supports further investigation, but the abstract does not explain which population or methodological differences contributed to the variation.
The original publication
Association between helicobacter pylori infection and abdominal aortic aneurysm: a systematic review and meta-analysis.
Arain M, Karnatapu J, Moradi I et al.
BMC Cardiovasc Disord · 2025
- PubMed ID
- 41013266
- Record checked
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