intermediate coronary lesions
Conditions
Sponsors
Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: General inclusion criteria (1) Stable angina pectoris, unstable angina pectoris, or after the acute phase of myocardial infarction (2) Age >18 years (3) Written informed consent Coronary angiographic inclusion criteria (1) Intermediated coronary lesions (diameter stenosis of 30%-80% by visual estimation)
Exclusion criteria
Exclusion criteria: General inclusion criteria (1) Ineligible for diagnostic IVUS or FFR examination (2) Prior coronary artery bypass grafting of the interrogated vessels (3) Myocardial infarction within 72 h of coronary angiography (4) Severe heart failure (5) A serum creatinine level >150 umol/l, or a glomerular filtration rate <45 ml/kg/1.73 m2 (6) Allergy to the contrast agent or adenosine (7) Life expectancy < 2 years Coronary angiographic inclusion criteria (1) The luminal reduction was caused by myocardial bridge (2) Ostial lesions less than 3 mm from the aorta (3) Main vessels with stenotic side branches downstream the interrogated lesion (4) Poor angiographic image quality precluding contour detection and (5) Severe vessel overlap or tortuosity at the stenotic segments
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Sensitivity;Specificity;Diagnostic accuracy; | — |
Secondary
| Measure | Time frame |
|---|---|
| ROC curve;AUC; | — |
Countries
China
Contacts
Public ContactJie Qian
Fuwai Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College
Outcome results
None listed