AVJ Ablation Followed by Resynchronization Therapy in Patients With CHF and AF
| Status: | Terminated |
|---|---|
| Conditions: | Atrial Fibrillation, Cardiology |
| Therapuetic Areas: | Cardiology / Vascular Diseases |
| Healthy: | No |
| Age Range: | 18 - Any |
| Updated: | 2/6/2019 |
| Start Date: | June 2007 |
| End Date: | November 2010 |
AVERT-AF: Atrio-VEntricular Junction Ablation Followed by Resynchronization Therapy in Patients With Congestive Heart Failure and Atrial Fibrillation
The purpose of the study is to determine if the combination of AVJ ablation followed by BiV
pacing significantly improves functional status and exercise capacity compared to
pharmacologic rate control in patients with chronic AF and depressed ejection fraction,
regardless of rate or QRS duration.
pacing significantly improves functional status and exercise capacity compared to
pharmacologic rate control in patients with chronic AF and depressed ejection fraction,
regardless of rate or QRS duration.
- This is a prospective, randomized, double blinded, multicenter study
- Patients meeting all the enrollment criteria are screened at enrollment and randomized
to Group 1 (Pharmacological therapy + Single Chamber ICD) or Group 2 (AVJ Ablation +
CRT-D)
- Screened patients are implanted with a FDA approved SJM ICD/CRT-D with compatible lead
system
- Patients are followed at 1, 3, 6 and 12 months post implant
- Total # of centers - 20 centers
- Sample size - 180 patients
- Patients meeting all the enrollment criteria are screened at enrollment and randomized
to Group 1 (Pharmacological therapy + Single Chamber ICD) or Group 2 (AVJ Ablation +
CRT-D)
- Screened patients are implanted with a FDA approved SJM ICD/CRT-D with compatible lead
system
- Patients are followed at 1, 3, 6 and 12 months post implant
- Total # of centers - 20 centers
- Sample size - 180 patients
Inclusion Criteria:
- Symptomatic permanent AF
- Class I or II indication for ICD
- LVEF ≤ 35% within 6 months
- NYHA class II or III with a history of CHF
- Maximal tolerated drug therapy for CHF and rate control with a stable regimen for ≥ 30
days
- Ability to independently comprehend and complete a QoL questionnaire
- Ability to give informed consent for study participation and willingness and ability
to comply with prescribed follow-up tests and scheduled evaluations
Exclusion Criteria:
- Paroxysmal or persistent AF
- Class I indication for pacing (including AVJ ablation for poor rate control)
- Ability to walk ≥ 450 meters in 6 minutes
- Musculoskeletal disorders that prohibit the completion of a 450 meters walk
- NYHA class I or IV at the time of enrollment
- A contraindication to taking Coumadin therapy
- History of myocardial infarction, percutanous coronary intervention, or CABG in the
past 30 days
- History of mitral valve surgery
- Prior attempts for cardiac resynchronization therapy
- The presence of an existing coronary sinus lead or epicardial lead
- Life expectancy < 1year
- Age < 18 yrs
- Current participation in other clinical studies except registry trials
- Use of calcium channel blockers
- Pregnancy
- Inability to give informed consent
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