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Imaging of coronary calcification by computed tomography
Brad H Thompson1, William Stanford
1Department of Radiology, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, Iowa 52246, USA. brad-thompson@uiowa.edu
Journal of Magnetic Resonance Imaging : JMRI
|June 2, 2004
Summary
Coronary calcium detected by computed tomography (CT) accurately reflects coronary artery disease (CAD) severity. This noninvasive method shows potential for screening coronary heart disease (CHD) risk.
Area of Science:
- Cardiovascular Imaging
- Diagnostic Radiology
- Preventive Cardiology
Background:
- Coronary calcium is a biomarker for arteriosclerosis and coronary artery disease (CAD).
- Higher coronary calcium burdens correlate with advanced disease, stenoses, and increased risk for coronary heart disease (CHD).
- Quantification of coronary calcium reflects disease severity and aids in CHD screening.
Purpose of the Study:
- To review evidence validating computed tomography (CT) for diagnosing CAD.
- To assess CT's efficacy as a screening tool for CHD.
Main Methods:
- Review of existing studies on CT for coronary calcification measurement.
- Correlation analysis between CT calcium measurements and histological plaque data.
- Evaluation of CT-derived calcium burdens for disease severity and CHD risk assessment.
Main Results:
- CT provides accurate, noninvasive measurements of coronary calcification.
- CT calcium measurements correlate well with histological plaque analyses.
- Calcium burdens measured by CT accurately reflect CAD severity and individual CHD risk.
Conclusions:
- CT is a validated tool for diagnosing CAD.
- CT-based coronary calcium quantification shows significant potential as a screening tool for CHD.
- Noninvasive CT assessment aids in evaluating arteriosclerosis and cardiovascular risk.