Heart failure of left ventricle ejection fraction>40%
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients aged 40-80 years; 2. Patients with hart failure of NYHA II-IV for more than 3 months; 3. Patients' left ventricle ejection fraction>40%; 4. Patients' NTproBNP>1500pg/ml5.Patients are receiving orthodox drug treatment for heart failure, in cluding single or alliance therapy by diuretic agent, ACEI, apresoline, prolonged action nitrate, ARB and cardiotonic glycoside, for more than 2 weeks when randomization; 6. Patients could be followed up in out-patient clinic; 7. Signed informed consent for the study.
Exclusion criteria
Exclusion criteria: 1. Women of childbearing potrntial without adequate birthcontrol; 2. Unstable angina pectoris or myocardial infarction during the last 28 days; 3. History of sinus bradycardia, heart rate<55 beats per minute; 4. Must be treated by beta-block agent or have the counterindication of beta-block agent 5. Heart failure caused by (1) obstructive hypertrophic cardiomyopathy (cardiomyopathy nonobstructive, include apical hypertrophic cardiomyopathy could be involved); (2) restrictive cardiomyopathy; (3) congenital cardiopathy; (4) Clinically overt primary valvular heart disease can not be retrieved; (5) heart valve prosthesis functional defect; (6) pericardial disease; (7) systemic disease (for example: systemic disease or amyloid degeneration); 6. Traumatic treatment as (1) accepted CABG or PCI during the last 3 months or will accept CABG or PCI in 3 months; (2) implanted ICD or will Implant ICD; (3) accepted heart transplant or will accept heart transplant; 7. History of high degree atrio-ventricular block(second degree A-V block, third A-V block or sick sinus syndrome), unless the patient has been implanted pacemaker; 8. Unstable decompensation heart failure by adequate treatment,or occured hypotension (Bp<90/60mmHg, concomitant the symptom of dizziness, cold clammy limbs, diaphoresis and so on) at the time of randomization; 9. Any other serious diseases such as: (1) HIV infection; (2) malignant tumor; (3) overt primary Liver disease or Kidney disease; (4) alcohol or drug abuse; (5) bad compliance; 10. Previous (30 preceding days) or current participation another clinical trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| deaths total rate;associate rate of hospitalization and death; | — |
Secondary
| Measure | Time frame |
|---|---|
| ejection fraction and heart function(classed by NY; | — |
Countries
China