Device-based QRS Evaluation
Completed
- Conditions
- Heart Failure
- Interventions
- Device: ECG+IEGM
- Registration Number
- NCT02814214
- Lead Sponsor
- Abbott Medical Devices
- Brief Summary
The purpose of this study is to collect simultaneous surface electrocardiogram (ECG) recordings and Cardiac Resynchronization Therapy (CRT) intracardiac electrogram (IEGM) recordings of variations in electrical synchrony.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 103
Inclusion Criteria
- Already implanted with SJM Quadripolar CRT Pacing System
- Ability to provide informed consent for study participation
- Willing to comply with the study evaluation requirements
- At least 18 years of age
Exclusion Criteria
- Resting ventricular rate >100 bpm
- Intrinsic PR interval > 300 ms
- Paroxysmal or persistent atrial tachycardia or atrial fibrillation documented
- Pregnant or plans to become pregnant during the study
Study & Design
- Study Type
- OBSERVATIONAL
- Study Design
- Not specified
- Arm && Interventions
Group Intervention Description ECG+IEGM ECG+IEGM Surface ECG and intracardiac electrogram recordings will be taken during the adjustment of programmable Cardiac Resynchronization Therapy settings
- Primary Outcome Measures
Name Time Method Characterize CRT IEGM-based estimations of QRS duration Acute (1 day)
- Secondary Outcome Measures
Name Time Method
Trial Locations
- Locations (1)
I.R.C.C.S. Policlinico San Donato
🇮🇹San Donato Milanese, MI, Italy