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KMID : 1030220120130040196
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Journal of Korean Diabetes
2012 Volume.13 No. 4 p.196 ~ p.200
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Coronary MDCT and MRI
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Jung Chan-Hee
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Abstract
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Newer accurate, noninvasive coronary artery disease (CAD) screening methods, such as multi-detector computed tomography (MDCT) and magnetic resonance imaging (MRI), both show promise and have increased in popularity, although neither technique is currently recommended for routine use in the diagnosis of CAD in asymptomatic diabetic patients. MDCT has images acquired at high temporal and spatial resolution and has enabled cardiovascular medicine to enter the CT imaging era. This test infers the presence of coronary atherosclerosis by measuring the amount of calcium in coronary arteries and by direct visualization of luminal stenoses. MDCT (especially with 64 slices or greater CT) has developed as an effective alternative to invasive coronary angiography for the detection of CAD. It can be used as a highly sensitive screening modality that achieves high diagnostic accuracy for the detection of significant CAD. Cardiac MRI makes possible the noninvasive visualization of the major epicardial coronary arteries without ionizing radiation or assessment of myocardial perfusion. Cardiac MRI techniques provide an alternative to radionuclide methods, which are still the diagnostic standard for the assessment of myocardial perfusion because they are well established, particularly for the assessment of cardiac function.
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KEYWORD
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Multidetector-row computed tomography, Magnetic resonance imaging, Coronary artery disease, Calcification
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