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[Coronary artery calcium: pathogenesis and cardiovascular risk]

Paolo Raggi1

  • 1Mazankowski Alberta Heart Institute - University of Alberta, Edmonton, AB, Canada.

Giornale Italiano Di Cardiologia (2006)
|July 20, 2019
PubMed

Insights

Coronary artery calcium (CAC) is a key marker for preclinical atherosclerosis, significantly enhancing cardiovascular event prediction. Its absence indicates a very low long-term risk, even in high-risk individuals.

Area of Science:

  • Cardiovascular Medicine
  • Radiology
  • Preventive Cardiology

Background:

  • Atherosclerosis involves lipid infiltration, inflammation, and calcification in the subintimal space.
  • Coronary artery calcium (CAC) is a specific marker of subclinical atherosclerosis.
  • CAC accumulation indicates subintimal disease progression.

Purpose of the Study:

  • To review the epidemiology and clinical significance of CAC.
  • To discuss CAC's prognostic value across diverse populations.
  • To summarize current clinical practice recommendations for CAC assessment.

Main Methods:

  • Literature review of epidemiological studies on CAC.
  • Analysis of clinical significance and prognostic value of CAC.
  • Synthesis of current guidelines for CAC utilization.

Main Results:

  • CAC is a highly specific marker for preclinical atherosclerosis.
  • CAC enhances cardiovascular event prediction in general and high-risk populations.
  • Absence of CAC signifies a very low long-term cardiovascular event risk.

Conclusions:

  • CAC is a valuable non-invasive marker for cardiovascular risk stratification.
  • Prognostic significance of CAC varies by race, sex, and age.
  • Current recommendations support CAC use in clinical practice for risk assessment.

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