coronary heart disease
Conditions
Interventions
Gold Standard:Before CCTA examination, patients taking blocker 25mg or 50mg. Select three phase injection method, place the area of interest on the descending aorta. The CT value of the descending aor
Index test:Iopamiro 
370 
or 
Ultravist 
Ioversolum 
350 
Sponsors
Fuwai Hospital
Eligibility
Sex/Gender
All
Age
30 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1.Outpatient suspected with coronary heart disease 2.30-80 years old
Exclusion criteria
Exclusion criteria: 1.history of allergy to iodinated contrast medium; 2.severe hepatic or renal insufficiency (eGFR<30ml/min/1.73m2); 3.NYHA classification grading of cardiac function IV or left ventricular ejection fraction below 30%; 4. prior percutaneous coronary intervention, coronary artery bypass grafting or pacemaker implantation; 5. combination with other cardiovascular disease (e.g. Cardiomyopathy, congenital heart disease and valvular heart disease etc.); 6. pulmonary hypertension; 7. arrhythmia or above 90 beats per minute after taking ß-blockers e.g. metoprolol.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| attenuation;standard deviation; | — |
Countries
China
Contacts
Public ContactYin Weihua
Department of Radiology, Fuwai Hospital
Outcome results
None listed