Korean Circ J.  2003 May;33(5):401-408. 10.4070/kcj.2003.33.5.401.

Correlation between Intima-Media Thickness in Carotid Artery and the Extent of Coronary Atherosclerosis

Affiliations
  • 1Division of Cardiology, Department of Internal Medicine, College of Medicine, Konyang University, Daejeon, Korea. jhbae@kyuh.co.kr
  • 2Division of Cardiology, Department of Internal Medicine, College of Medicine, Chungnam University, Daejeon, Korea.

Abstract

BACKGROUND AND OBJECTIVES
We performed this study to elucidate whether there were significant correlations 1) between intima-media thickness (IMT) of carotid artery and the extent of coronary atherosclerosis and 2) between carotid IMT and risk factors of atherosclerosis in patients with coronary atherosclerosis.
SUBJECTS AND METHODS
All study subjects (n=326, 200 males, 59+/-10 years) had chest pain and underwent coronary angiography. IMT was measured in the far wall of the internal and common carotid arteries and the carotid bulb using high-resolution ultrasound with a 3-11 MHz linear probe. We also evaluated the presence of plaque in the carotid artery. The extent of coronary atherosclerosis was divided into 4 groups (0, 1, 2, and 3) according to the number of coronary arteries narrowed more than 50% of the diameter.
RESULTS
In patients with one or more diseased coronary vessels, IMT of the common carotid artery was thicker (0.81+/-0.15 mm vs. 0.91+/-0.28 mm, p<0.05) and plaques were more frequently found (16% vs. 40%, p<0.05). There was also a significant correlation between the extent of coronary artery atherosclerosis and IMT of the common carotid artery (r=0.217, p<0.001) and the internal carotid artery (r=0.177, p<0.01). Multiple regression analysis revealed hypertension and smoking, among the atherosclerosis risk factors, as independent factors in the IMT of the common carotid artery and carotid bulb.
CONCLUSION
We concluded that there was a significant correlation between the extent of coronary artery disease and IMT of the carotid artery;and that hypertension and smoking, of all atherosclerosis risk factors, were independent factors in the IMT of the carotid artery.

Keyword

Carotid arteries; Coronary atherosclerosis

MeSH Terms

Atherosclerosis
Carotid Arteries*
Carotid Artery, Common
Carotid Artery, Internal
Chest Pain
Coronary Angiography
Coronary Artery Disease*
Coronary Vessels
Humans
Hypertension
Male
Risk Factors
Smoke
Smoking
Ultrasonography
Smoke
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