Chronic coronary syndrome
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Able to understand the purpose of the study, voluntarily participate in the study and sign the informed consent; 2) Age =18 years old, gender unlimited; 3) Patients who have received coronary artery CTA examination and visually detected at least one major coronary artery with a diameter of > 2mm and at least one stenosis of 50%-90%, or have previously implanted stents and residual moderate or higher stenosis, and no left main artery lesions; 4) Patients with chronic coronary syndrome who plan to receive further treatment.
Exclusion criteria
Exclusion criteria: 1) Patients after coronary artery bypass grafting; 2) Coronary CTA examination or previous coronary angiography showed =50% of untreated left main lesions; 3) Arrhythmia; 4) Patients after permanent pacemaker or defibrillator implantation; 5) aortic insufficiency, aortic aneurysm, aortic dissection; 6) Coronary artery fistula or severe coronary aneurysm; 7) Symptomatic congestive heart failure or acute myocardial infarction; 8) valvular heart disease, congenital heart disease, cardiomyopathy; 9) Cerebral hemorrhage, bleeding disorder or definite bleeding tendency within 6 months; 10) Warfarin uses international standardized ratio >2.0; 11) Lower extremity infection, phlebitis, varicose veins, deep vein thrombosis; 12) Progressive malignant tumors or diseases with poor prognosis; 13) Uncontrolled hypertension, defined as SBP=180mmHg or DBP=110mmHg; 14) Pregnant women; 15) There are any other factors that the investigator considers inappropriate for inclusion in this study or for the completion of the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| CT Flow reserve fraction; | — |
Secondary
| Measure | Time frame |
|---|---|
| Differences in cardiovascular magnetic resonance imaging;Differences in cardiac ultrasound examination;Differences in cardiopulmonary exercise testing;Differences in continuous non-invasive blood pressure measurement systems; | — |
Countries
China
Contacts
The Eighth Affiliated Hospital, Sun Yat-sen University