- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00205192
Optimizing Cardiac Resynchronization
Cardiac resynchronization therapy shows great promise as a method to improve ventricular function in heart failure due to dilated cardiomyopathy. It is applied to patients with class III and IV symptomatic heart failure on optimal therapy. Typical entry criteria in the trials testing resynchronization have used the electrocardiogram and a prolonged electrocardiogram (ECG) QRS interval as criteria for dyssynchrony. This is recognized to be quite limited as a tool for identifying patients. Several new echocardiographic methods for identifying dyssynchrony have been proposed. The purpose of this study is to systematically examine these multiple echocardiographic measurement techniques in three conditions:
- in the patient's native rhythm simulated by changing the pacing system to atrial pacing only;
- in conventional dual chamber pacing (DDD mode); and
- during biventricular pacing. All patients entered into this study will already have had a biventricular pacemaker placed.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Wisconsin
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Madison, Wisconsin, United States, 53792
- University Of Wisconsin
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- All patients who have previously had a resynchronization pacemaker system placed at the University of Wisconsin Hospital or at the Middleton Veterans Hospital are potentially eligible for this study.
- The study is only open to patients as enumerated above, and also patients who have good imaging windows.
Study Plan
How is the study designed?
Design Details
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Peter S Rahko, MD, University of Wisconsin, Madison
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- H-2004-0335
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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