A year ago, research regarding 64-slice CT angiography focused on feasibility. Feasibility is no longer an issue. Rather, a wealth of evidence presented at the recent European Congress of Radiology attests to the fact that coronary CTA is a powerful and useful tool to evaluate patients suspected of coronary artery disease who are at intermediate risk. It is within this niche patient group-those who would otherwise undergo invasive catheter angiography-that coronary CTA is finding an affordable home. Researchers are also venturing outside this niche to determine where else cardiac CT might have value.
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