Carotid artery intima-media thickness, but not coronary artery calcium, predicts vascular resistance in patients evaluated for coronary artery disease

I. Danad, P.G. Raijmakers, P. Kamali, H.J. Harms, S. de Haan, J.M. Lubberink, C. van Kuijk, O.S. Hoekstra, A.A. Lammertsma, Y.M. Smulders, M.W. Heijmans, I.I. Tulevski, A.C. van Rossum, P. Knaapen

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Abstract

Aims: There is growing evidence that coronary artery disease (CAD) affects not only the conduit epicardial coronary arteries, but also the microvascular coronary bed. Moreover, coronary microvascular dysfunction (CMVD) often precedes the stage of clinically overt epicardial CAD. Coronary artery calcium (CAC) and carotid intima-media thickness (C-IMT) measured with computed tomography (CT) and ultrasound, respectively, are among the available techniques to non-invasively assess atherosclerotic burden. An increased CAC score and C-IMT have also been associated with CMVD. It is therefore of interest to explore and compare the potential of CAC against C-IMT to predict minimal coronary vascular resistance (CVR). Methods and results: We evaluated 120 patients (mean age 56 ± 9 years, 58 men) without a documented history of CAD in whom obstructive CAD was excluded. All patients underwent C-IMT measurements, CAC scoring, and vasodilator stress
Original languageEnglish
Pages (from-to)317-323
JournalEuropean Heart Journal-Cardiovascular Imaging
Volume13
Issue number4
DOIs
Publication statusPublished - 2012

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