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Coronary artery calcium testing: dos and don'ts

Tamar S Polonsky1, Donald M Lloyd-Jones

  • 1Section of Cardiology, Department of Medicine, University of Chicago Medical Center, 5841 South Maryland Avenue, MC 6080, Chicago, IL 60637, USA. tpolonsky@medicine.bsd.uchicago.edu

Cardiology Clinics
|February 7, 2012
PubMed

Insights

Coronary heart disease (CHD) risk assessment often misses individuals. Coronary artery calcium (CAC) scoring enhances risk prediction beyond traditional factors, with guidelines to optimize its use.

Area of Science:

  • Cardiology
  • Preventive Medicine
  • Medical Imaging

Background:

  • Traditional risk factors are the cornerstone of coronary heart disease (CHD) screening.
  • A significant number of adults experiencing CHD events are not identified as high-risk by conventional metrics.
  • Observational studies suggest coronary artery calcium (CAC) scoring offers improved risk prediction.

Purpose of the Study:

  • To evaluate the added value of coronary artery calcium (CAC) scoring in refining coronary heart disease (CHD) risk prediction.
  • To provide practical guidance on the optimal application of CAC testing.
  • To minimize potential harms associated with CAC testing.

Main Methods:

  • Analysis of observational data on the predictive performance of CAC scores.
  • Review of existing clinical practice guidelines for CHD risk assessment.
  • Development of a list of best practices ('dos and don'ts') for CAC testing.

Main Results:

  • Coronary artery calcium (CAC) scoring demonstrates improved risk prediction for coronary heart disease (CHD), independent of traditional risk factors.
  • The study identifies key principles to enhance the utility of CAC testing.
  • Recommendations are provided to ensure safe and effective implementation of CAC screening.

Conclusions:

  • Coronary artery calcium (CAC) scoring is a valuable tool for enhancing coronary heart disease (CHD) risk stratification.
  • Adherence to established principles can maximize the benefits of CAC testing.
  • Optimized CAC testing can improve patient outcomes by identifying at-risk individuals missed by traditional methods.

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