Compared to stress testing, patients who undergo CT angiography more likely to undergo subsequent invasive, more costly cardiac procedures

In an analysis of Medicare data of nearly 300,000 patients who underwent outpatient evaluation for coronary artery disease by either computed tomography (CT) angiography or stress testing, those who underwent CT angiography were more likely to have subsequent cardiac testing procedures that were more costly and invasive, such as cardiac catheterization, according to a new study.