In patients with 50-90% stenosis of the coronary artery, the coronary roadmap (dynamic roadmap) is performed when the conventional fractional flow reserve (FFR) and instantaneous wave-free ratio (iFR) are performed. coronary roadmap system) to confirm the effectiveness of the function.
Patients aged 19 years or older
Patients with stable angina, including asymptomatic ischemic heart disease, who have 50-90% stenosis of the causative vessel by coronary angiography
Acute coronary syndrome patients with multivessel disease and 50-90% stenosis of non-caused vessels that did not cause acute coronary syndrome
Patients who voluntarily decided to participate in this study and gave written consent to the subject consent form
Patients with acute coronary syndrome and single vessel disease
Patients who have undergone previous coronary artery bypass grafting
Poor coronary blood flow (TIMI grade ≤ 2)
If life expectancy is less than one year
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Yonsei University
Lead sponsor
Philips Healthcare
Collaborator