Diagnostic Accuracy of CFD-Based Fractional Flow Reserve Derived From Coronary Angiography

Inclusion Criteria: * Age ≥18 years; * Stable or unstable angina, or myocardial infarction after the acute phase, indication for FFR in at least one vessel; * Able to provide informed consent. Exclusion Criteria: * Subjects judged unsuitable for diagnostic intervention or FFR; * Myocardial infarction within 6 days; * LVEF ≤50%; * eGFR \<60ml/min（1.73m²） * Severe coagulation dysfunction or bleeding disorders; * Allergic to iodine contrast agent or adenosine, or ineligible for adenosine; * Participated in other clinical trials within 1 months; * Other situations that were not suitable for inclusion, as judged by investigators.