Ejection fraction preserved heart failure
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients with chest distress, chest pain, panic and other symptoms of precordial discomfort after exercise; 2. Patients with coronary artery stenosis 50% indicated by color Doppler echocardiography; 4. Patients with clear mind who can complete cardiopulmonary exercise test; 5. Patients who voluntarily participated in the trial and signed the informed consent.
Exclusion criteria
Exclusion criteria: 1. Patients who have been diagnosed with coronary heart disease; 2. Patients with myocardial ischemia indicated by quiet or exercise ECG; 3. Patients with arrhythmias such as atrial fibrillation that seriously affect hemodynamics; 4. Patients with exercise intolerance due to lung disease or lower extremity disease; 5. Patients with heart failure caused by other causes, such as constrictive pericarditis, valvular heart disease, etc; 6. Patients who do not meet the inclusion criteria according to the researchers.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| NT-proBNP;H2FPEF SCORE;Peak oxygen uptake;anaerobic threshold; | — |
Countries
China
Contacts
Nanjing First Hospital (Nanjing Hospital Affiliated to Nanjing Medical University)