Noninvasive detection of atherosclerosis

Article Abstract:

Many noninvasive diagnostic methods are being developed to detect coronary artery disease in its early stages. Research has shown that coronary artery disease begins in early adult life and even in childhood. Angiography is one means of detecting coronary artery disease, but it involves injecting a dye into the patient's bloodstream. Two 1998 studies evaluated a noninvasive imaging technique called electron beam CT. This technique not only images the coronary plaques but can measure how much calcium is in them. Both studies found this technique was very effective in detecting patients with severe coronary artery disease.

Coronary arteries

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Value of electron-beam computed tomography for the noninvasive detection of high-grade coronary-artery stenoses and occlusions

Article Abstract:

Electron-beam CT imaging may be able to noninvasively detect severe coronary artery disease. Usually, most patients must have angiography, during which a dye is injected into the patient's bloodstream. Researchers used electron-bream CT scans to detect coronary artery disease in 125 patients. Because of problems with image quality, only 78 patients had adequate scans. However, the technique accurately detected 92% of the arteries with severe blockage and also detected 94% of the patients who did not have severe coronary artery disease.

Innovations, CT imaging, CAT scans

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Noninvasive coronary angiography -- an acceptable alternative?

Article Abstract:

Magnetic resonance coronary angiography can be used to rule out coronary artery disease in people who have a low risk of the disease. It is a non-invasive technique but is not yet good enough to replace X-ray angiography in patients with a high risk of coronary artery disease.

Magnetic resonance imaging

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