Effect of cardiac re synchronization therapy on left ventricle function in patients with heart failure
Not Applicable
- Conditions
- heart failure.Congestive heart failure
- Registration Number
- IRCT2017053034232N1
- Lead Sponsor
- Vice Chancellor for Research, Guilan University of Medical Sciences
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete
- Sex
- All
- Target Recruitment
- 20
Inclusion Criteria
Patients with heart failure and LVEF less than 35 %; Wide QRS (more than 120 ms) with LBBB pattern; no response to medical therapy; Patient without COPD; Patients without severe MR.
Exclusion criteria: Surgical lead placement; Congenital heart diseases;Valvular heart disease; Hypertrophic Cardiomyopathy; Atrial fibrilation
Exclusion Criteria
Not provided
Study & Design
- Study Type
- interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method eft ventricle function with strain method. Timepoint: before and 1 hour after CRT turn off. Method of measurement: echocardiography with X-strain software.
- Secondary Outcome Measures
Name Time Method All kinds of heart block and cardiac arrhythmias. Timepoint: before and 1 hour after CRT turn off. Method of measurement: with ECG.;Percentage of LVEF. Timepoint: before and 1 hour after CRT turn off. Method of measurement: with electrocardiography.;QRS duration. Timepoint: before and 1 hour after CRT turn off. Method of measurement: with ECG.;Peak systolic strain. Timepoint: before and 1 hour after CRT turn off. Method of measurement: with electrocardiography.