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Noninvasive Imaging of Coronary Arteries: Current and Future Role of Multi–Detector Row CT¹

¹ From the Departments of Radiology (P.S., S.S.H., A.E.S., S.A.K., R.D.W.), Cardiovascular Medicine (P.S., S.E.N., E.M.T., R.D.W.), and Thoracic and Cardiovascular Surgery (R.D.W.), Cleveland Clinic Foundation, Desk Hb 6, 9500 Euclid Ave, Cleveland, OH 44195. Received December 30, 2002; revision requested April 11, 2003; revision received April 17; accepted May 1. Supported by an unrestricted training grant from Berlex Laboratories, Pine Brook, NJ. P.S. supported by a postdoctoral fellowship award from the Ohio Valley Regional Affiliate of the American Heart Association. Address correspondence to R.D.W. (e-mail: whiter1@ccf.org) or P.S. (e-mail: schoenp1@ccf.org).

While invasive imaging techniques, especially selective conventional coronary angiography, will remain vital to planning and guiding catheter-based and surgical treatment of significantly stenotic coronary lesions, the comprehensive and serial assessment of asymptomatic or minimally symptomatic stages of coronary artery disease (CAD) for preventive purposes will eventually need to rely on noninvasive imaging techniques. Cardiovascular imaging with tomographic modalities, including computed tomography (CT) and magnetic resonance imaging, has great potential for providing valuable information. This review article will describe the current and future role of cardiac CT, and in particular that of multi–detector row CT, for imaging of atherosclerotic and other pathologic changes of the coronary arteries. It will describe how tomographic coronary imaging may eventually supplement traditional angiographic techniques in understanding the patterns of atherosclerotic CAD development.

© RSNA, 2004

Index terms: Computed tomography (CT), angiography, 54.12111, 54.12112, 54.12115, 54.12116 • Computed tomography (CT), multi–detector row, 54.12111, 54.12115, 54.12117, 54.12118, 54.12119 • Coronary vessels, bypass graft, 54.4544 • Coronary vessels, calcification, 54.812 • Coronary vessels, CT, 54.12111, 54.12115, 54.12116, 54.12117, 54.12118, 54.12119 • Coronary vessels, stenosis or obstruction, 54.4558, 54.76 • Review

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