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The effect of ivabradine on hemodynamics in patients with chronic heart failure

Not Applicable
Completed
Conditions
Chronic heart failure
Circulatory System
Ischaemic cardiomyopathy
Registration Number
ISRCTN87590288
Lead Sponsor
Faculty Hospital Olomouc (Czech Republic)
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Completed
Sex
All
Target Recruitment
50
Inclusion Criteria

1. Aged more than 18 years
2. CHF
3. Left ventricular ejection fraction (LVEF) = 40%
4. Sinus rhythm
5. Patients four weeks stabile on maximal tolerated standard CHF pharmacotherapy without acute decompensations
6. Heart rate after 5 minutes resting more than or 70 beats per min measured by ECG
7. Patients indicated to Cardiac Resynchronization Therapy (CRT) will be enrolled after 6 months after implantation
8. Patients who give written informed consent

Exclusion Criteria

1. Permanent atrial fibrillation with the rate control strategy
2. Sick sinus syndrome
3. Sinoatrial block or AV block of III degree without pacemaker
4. Patients with pacemaker/implantable cardioverter defibrillator (ICD) without CRT with more than 40% paced contractions daily
5. Patients less than two months after myocardial infarction (MI)
6. Ivabradine intolerance
7. Severe liver insufficiency
8. Combination with strong CYP3A4 inhibitors such as azol antimycotics (ketokonazol, itrakonazol), makrolid antibiotics (klarithromycin, erythromycin per os, josamycin, telithromycin), inhibitors of HIV proteases (nelfinavir, ritonavir) and nefazodon
9. Other illness which limits patients prognosis of less than two years
10. Women in fertile age without effective contraception
11. Breastfeeding women

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
<br> 1. Improvement of quality of life<br> 2. Peak oxygen consumption<br> 3. New York Heart Association (NYHA) class improvement<br> 4. Improvement in hemodynamics (measured in non-invasive way with echocardiography and MRI) in patients with CHF after recieving medication of ivabradine in addittion to standard optimized HF pharmacotherapy<br>
Secondary Outcome Measures
NameTimeMethod
umber of patients with good response to ivabradine therapy
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