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Diagnostic evaluation demonstrates improved vessel depiction and sharpness in healthy volunteers, indicating a rapid breath-hold protocol for coronary imaging.
A volume-targeted contrast agent-enhanced breath-hold coronary magnetic resonance angiographic technique was optimized and evaluated in 16 volunteers. Substantial increases in coronary signal-to-noise ratio, contrast-to-noise ratio, lengths of depiction, and vessel sharpness were observed on enhanced images. The imaging approach with two 20-mL injections of contrast agent covers the left and right coronary arteries in two breath holds and is a promising method for coronary imaging.
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Li et al. (2001) studied this question.
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