Efficacy of coronary computed tomography angiography and its fractional flow reserve in predicting myocardial ischemia in patients with obstructive coronary artery disease with positron emission tomography myocardial perfusion imaging as a reference standard

以正电子发射断层扫描心肌灌注显像为参考标准，评估冠状动脉计算机断层扫描血管造影及其血流储备分数在预测阻塞性冠状动脉疾病患者心肌缺血方面的疗效