Coronary Microvascular Dysfunction in Angina Patients With Non-obstructive Coronary Artery Disease (ANOCA-CMD)
Trial Parameters
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Brief Summary
The goal of this observational study is to explore the incidence and effect on prognosis of coronary microvascular dysfunction in patients present of stable anginal symptoms, a clinical indication for invasive coronary angiography, and no hemodynamically significant epicardial coronary artery disease, defined as fractional flow reserve (FFR) \>0.80.
Eligibility Criteria
Inclusion Criteria: * presence of stable anginal symptoms, a clinical indication for invasive coronary angiography, and no hemodynamically significant epicardial coronary artery disease, defined as fractional flow reserve (FFR) \>0.80 Exclusion Criteria: 1. acute myocardial infarction 2. significant valvular heart disease 3. advanced chronic kidney disease 4. patients with significant epicardial coronary artery stenosis (\>70% in major vessels by diagnostic coronary angiography) needing percutaneous coronary intervention 5. patients unable to provide written informed consent