Is atherosclerosis an infectious disease?

S D Mawhorter1, M A Lauer

  • 1Department of Infectious Disease, Cleveland Clinic Foundation, OH 44195, USA. mawhors@ccf.org

Insights

Infections like Chlamydia pneumoniae may contribute to atherosclerotic coronary artery disease. However, antibiotic treatment for coronary events is not recommended until clinical trials conclude.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Pathogenesis of Atherosclerosis

Background:

  • Atherosclerotic coronary artery disease (CAD) is a complex condition with multiple contributing factors.
  • Emerging evidence suggests infectious agents may play a role in the development and progression of CAD.
  • Chlamydia pneumoniae, Helicobacter pylori, and cytomegalovirus are among the pathogens implicated.

Purpose of the Study:

  • To review the evidence linking specific infections to atherosclerotic coronary artery disease.
  • To discuss the implications of these findings for clinical practice and future research.

Main Methods:

  • Literature review of studies investigating the association between infections and CAD.
  • Analysis of data from clinical trials examining antibiotic interventions for CAD.

Main Results:

  • Chlamydia pneumoniae shows the most substantial evidence implicating infection in CAD.
  • Helicobacter pylori and cytomegalovirus are also considered potential contributing factors.
  • Clinical trials evaluating antibiotic efficacy in reducing coronary events are ongoing.

Conclusions:

  • While infections are implicated in CAD, definitive conclusions regarding antibiotic therapy are pending.
  • Current evidence does not support the routine use of antibiotics to prevent or treat coronary events.
  • Further research and clinical trial results are necessary to guide therapeutic strategies.

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