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Is Helicobacter pylori infection a risk factor for acute coronary syndromes?

Motonobu Miyazaki1, Akira Babazono, Ken Kadowaki

  • 1Department of Epidemiology and Preventive Medicine, School of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka City, Fukuoka 814-0180, Japan. motonobu@cis.fukuoka-u.ac.jp

The Journal of Infection
|May 24, 2005
PubMed

Insights

Helicobacter pylori infection is a significant risk factor for acute coronary syndromes (ACS). This study found a strong association between H. pylori seropositivity and ACS incidence in male patients.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Epidemiology

Background:

  • Acute coronary syndromes (ACS) represent a significant global health burden.
  • Identifying modifiable risk factors for ACS is crucial for prevention strategies.
  • The role of chronic infections, such as Helicobacter pylori, in cardiovascular disease is an area of ongoing research.

Purpose of the Study:

  • To investigate the association between Helicobacter pylori infection and the risk of developing acute coronary syndromes (ACS).
  • To determine if H. pylori seropositivity is an independent risk factor for first-onset ACS in male patients.

Main Methods:

  • A case-control study involving 33 male patients with incident ACS and 66 male controls.
  • H. pylori seropositivity was assessed using IgG-specific enzyme-linked immunosorbent assay (ELISA).
  • Antibodies specific to the H. pylori CagA antigen were also measured using ELISA.

Main Results:

  • A higher seropositive rate for H. pylori IgG antibodies was observed in ACS patients (87.9%) compared to controls (66.7%).
  • H. pylori seropositivity showed a statistically significant association with ACS, even after adjusting for age and other confounding factors (OR, 4.09).
  • While anti-CagA positive H. pylori showed a significant association initially, it was not significant after adjusting for all confounding factors.

Conclusions:

  • The study confirms a significant link between H. pylori infection and acute coronary syndromes.
  • H. pylori infection is suggested to be a potential risk factor for the development of ACS.
  • Further research may be warranted to explore the precise mechanisms linking H. pylori to cardiovascular events.
Abstract

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