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Coronary calcification is more predictive of carotid intimal medial thickness in black compared to white middle aged

Aiman El-Saed1, Akira Sekikawa, Daniel Edmundowicz

  • 1Department of Epidemiology, Graduate School of Public Health, Pittsburgh, USA. amest30@pitt.edu

Atherosclerosis
|March 14, 2007
PubMed

Insights

Coronary artery calcification (CAC) was more predictive of carotid artery thickness in black men than white men, independent of risk factors. This study highlights race-specific differences in cardiovascular disease markers.

Area of Science:

  • Cardiovascular disease research
  • Vascular biology
  • Racial disparities in health

Background:

  • Limited race-specific data exists on the association between coronary artery calcification (CAC) and carotid intimal medial thickness (IMT).
  • Understanding these associations is crucial for identifying cardiovascular disease (CVD) risk in diverse populations.

Purpose of the Study:

  • To compare black-white specific associations between CAC and carotid IMT in middle-aged men.
  • To investigate if CAC is a stronger predictor of carotid atherosclerosis in one race compared to another.

Main Methods:

  • A population-based study of 379 men (84 black, 295 white) aged 40-49 years.
  • Coronary artery calcification (CAC) assessed using electron-beam tomography (Agatston score).
  • Carotid intimal medial thickness (IMT) evaluated via ultrasonography.

Main Results:

  • Black men had similar CAC prevalence but higher carotid IMT compared to white men.
  • CAC showed significant positive correlations with total carotid IMT in both racial groups.
  • The association between CAC and carotid IMT was significantly stronger in black men than in white men, even after adjusting for traditional coronary risk factors.

Conclusions:

  • Coronary artery calcification (CAC) is positively correlated with carotid intima-media thickness (IMT) in middle-aged black and white men.
  • CAC is a more potent predictor of carotid atherosclerosis in black men compared to white men, independent of established coronary risk factors.
Abstract

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