Prognostic Values of Coronary Microvascular Dysfunction in Patients With Dilated Cardiomyopathy
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- Who runs it
- Second Affiliated Hospital, Zhejiang University, School of Medicine
- Trial code
- NCT07293338
- Record updated
- 19 December 2025
- Original description
The goal of this observational study is to learn about the long-term prognostic of coronary microvascular dysfuction in Patients with Dilated Cardiomyopathy.Read full original descriptionShow less
The goal of this observational study is to learn about the long-term prognostic of coronary microvascular dysfuction in Patients with Dilated Cardiomyopathy.
The main question it aims to answer is: Does the coronary microvascular dysfunction impact the outcomes in Patients with Dilated Cardiomyopathy.
Inclusion: Dilated cardiomyopathy comfirmed by echocardiography: LVDd > 55 mm in men or > 50 mm in women; Clinically evident congestive heart failure: Compatible symptoms and signs, and BNP ≥ 35 pg/mL or NT-proBNP ≥ 125 pg/mL, and LV systolic dysfunction defined by LVEF < 45 %; Coronary angiography showing stenosis ≤ 50 % in all major epicardial vessels.
Exclusion: Patients with coronary artery disease, hypertensive heart disease, rheumatic valvular heart disease, myocarditis, and other secondary cardiomyopathies; poor angiographic image quality.