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Inflammation, infection and antimicrobial therapy in coronary heart disease--where do we currently stand?

J Ngeh1, S Gupta

  • 1Department of Medicine in Care of the Elderly, Newham General Hospital, Plaistow, London E13 8SL, United Kingdom.

Fundamental & Clinical Pharmacology
|July 27, 2001
PubMed

Insights

Chlamydia pneumoniae infection is linked to coronary heart disease (CHD), but its exact role alongside traditional risk factors requires further study. Antimicrobial therapy for CHD prevention is not yet justified.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Pathology

Background:

  • Traditional risk factors explain only 50% of coronary heart disease (CHD) cases.
  • The infectious hypothesis suggests microorganisms, like Chlamydia pneumoniae, may link inflammation and atherosclerosis.
  • Existing evidence indicates a positive association between C. pneumoniae infection and CHD.

Purpose of the Study:

  • To review the evidence linking Chlamydia pneumoniae infection to coronary heart disease (CHD).
  • To explore the potential role of C. pneumoniae as an etiological factor in atherosclerosis.
  • To discuss the interaction between C. pneumoniae, conventional risk factors, and genetic susceptibility in CHD.

Main Methods:

  • Review of seroepidemiology, pathology, animal models, molecular biology, and immunology data.
  • Analysis of human antibiotic intervention studies.
  • Synthesis of current evidence regarding the C. pneumoniae-CHD association.

Main Results:

  • Multiple lines of evidence suggest a positive association between C. pneumoniae infection and CHD.
  • C. pneumoniae may interact with traditional cardiovascular risk factors.
  • The precise causal link between C. pneumoniae and CHD remains undetermined.

Conclusions:

  • While C. pneumoniae is associated with CHD, its definitive causal role is not yet proven.
  • Further antibiotic intervention studies are needed to clarify the role of infection and inflammation in CHD.
  • Antimicrobial therapy is not currently recommended for CHD prevention or treatment based on existing evidence.

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