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Carotid artery inti...
Carotid artery intima-media thickness, but not coronary artery calcium, predicts coronary vascular resistance in patients evaluated for coronary artery disease
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Danad, Ibrahim (author)
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Raijmakers, Pieter G. (author)
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Kamali, Parisa (author)
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Harms, Hendrik J. (author)
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de Haan, Stefan (author)
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- Lubberink, Mark (author)
- Uppsala universitet,Enheten för nuklearmedicin och PET
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van Kuijk, Cornelis (author)
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Hoekstra, Otto S. (author)
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Lammertsma, Adriaan A. (author)
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Smulders, Yvo M. (author)
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Heymans, Martijn W. (author)
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Tulevski, Igor I. (author)
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van Rossum, Albert C. (author)
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Knaapen, Paul (author)
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(creator_code:org_t)
- 2012-02-28
- 2012
- English.
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In: European Heart Journal: Cardiovascular Imaging. - : Oxford University Press (OUP). - 2047-2404 .- 2047-2412. ; 13:4, s. 317-323
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https://academic.oup...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- 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 and results obstructive CAD was excluded. All patients underwent C-IMT measurements, CAC scoring, and vasodilator stress O-15-water positron emission tomography (PET)/CT, during which the coronary flow reserve (CFR) and minimal CVR were analysed. Minimal CVR increased significantly with increasing tertiles of C-IMT (22 +/- 6, 27 +/- 11, and 28 +/- 9 mmHg mL(-1) min(-1) g(-1), P < 0.01), whereas the CFR was comparable across all C-IMT groups (P = 0.50). Minimal CVR increased significantly with an increase in CAC score (23 +/- 9, 27 +/- 8, 32 +/- 10, and 32 +/- 7 mmHg mL(-1) min(-1) g(-1). P < 0.01), whereas the CFR did not show a significant decrease with higher CAC scores (P = 0.18). Multivariable regression analysis revealed that C-IMT (P = 0.03), but not CAC, was independently associated with minimal CVR. Conclusion C-IMT, but not CAC score, independently predicts minimal CVR in patients with multiple cardiovascular risk factors and suspected of CAD.
Keyword
- C-IMT
- CAC score
- Coronary vascular resistance
- Coronary flow reserve
- O-15-water PET/CT
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Danad, Ibrahim
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Raijmakers, Piet ...
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Kamali, Parisa
-
Harms, Hendrik J ...
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de Haan, Stefan
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Lubberink, Mark
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show more...
-
van Kuijk, Corne ...
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Hoekstra, Otto S ...
-
Lammertsma, Adri ...
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Smulders, Yvo M.
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Heymans, Martijn ...
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Tulevski, Igor I ...
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van Rossum, Albe ...
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Knaapen, Paul
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show less...
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European Heart J ...
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Uppsala University