TY - JOUR T1 - DEtecting obstructive coronary disease with ct angiography and noninvasive fractional flow reserve AU - Patel MR Y1 - 2012/09/26 N1 - 10.1001/2012.jama.11383 JO - JAMA SP - 1269 EP - 1270 VL - 308 IS - 12 N2 - Physicians commonly encounter patients reporting chest discomfort. In these cases, the physician needs to determine whether the patient has obstructive coronary artery disease (CAD), and if so, whether the patient is at increased risk of future cardiovascular events. The ultimate goal of this evaluation is to direct optimal medical therapy and potentially lead to ischemia-driven coronary revascularization. The fractional flow reserve (FFR) performed during invasive coronary angiography has been shown to provide lesion-specific data on ischemia, which, when used to direct revascularization, leads to improved clinical outcomes.1- 2 Fractional flow reserve is the ratio of the mean coronary artery pressure distal to an obstructive coronary lesion relative to the mean aortic pressure during maximal coronary blood flow and represents a physiologic measure of coronary stenosis. SN - 0098-7484 M3 - doi: 10.1001/2012.jama.11383 UR - http://dx.doi.org/10.1001/2012.jama.11383 ER -