Spectral and Ultra High Resolution CT Systems for Non-Invasive Detection of Myocardial Ischemia: Stress CT Perfusion VS. FFR-CT

Exclusion Criteria

• •hemodynamically unstable conditions,
• •previous revascularization,
• •myocardial infarction,
• •obesity (BMI\>40 kg/m2),
• •renal insufficiency (GFR\<30 mL/min),
• •atrial fibrillation or other significant arrhythmias; and
• •other overt cardiovascular diseases affecting CTP performance (e.g., heart failure, severe valvular regurgitation),
• •pregnancy and breastfeeding,
• •contraindications to iodinated contrast agents or regadenoson.