Association of Coronary Atherosclerosis Detected by Multislice Computed Tomography and Traditional Risk-Factor Assessment

Deepu Nair, Thomas P. Carrigan, Ronan J. Curtin, Zoran B. Popovic, Stacie Kuzmiak, Paul Schoenhagen, Scott D. Flamm, Milind Y. Desai

Research output: Contribution to journalArticlepeer-review

Abstract

Framingham risk score is an office-based tool used for long-term coronary heart disease risk stratification. Most acute coronary events occur in association with proximal nonobstructive atherosclerotic plaque. Multislice computed tomography detects both obstructive coronary artery disease (CAD) and proximal atherosclerotic plaque with high accuracy. The association of Framingham risk score with obstructive CAD and proximal atherosclerotic plaque was tested. Coronary multislice computed tomography was performed in 295 patients (61% men, mean age 54 ± 13 years) without documented CAD referred for evaluation of cardiac symptoms. Framingham risk score was computed and patients were stratified according to 10-year risk (n = 213 [72%] low, n = 74 [25%] intermediate, and n = 8 [3%] high). Obstructive CAD was defined as ≥50% stenosis in ≥1 epicardial coronary artery. Proximal atherosclerotic plaque was defined as calcified or noncalcified plaque in the left main or proximal left anterior descending artery. In the low- and intermediate-Framingham risk score groups, there was a high frequency of proximal atherosclerotic plaque (44% and 75%) and obstructive CAD (16% and 34%), although both findings were more prevalent in the high-Framingham risk score group (63% for atherosclerotic plaque, 88% for obstructive CAD), respectively. Proximal atherosclerotic plaque was noncalcified in approximately frac(1, 3) of patients. In women (n = 114) and younger (

Original languageEnglish (US)
Pages (from-to)316-320
Number of pages5
JournalThe American Journal of Cardiology
Volume102
Issue number3
DOIs
StatePublished - Aug 1 2008
Externally publishedYes

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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