A Randomized Comparison of the Efficacy of Antiarrhythmic Drug Therapy and Radiofrequency Catheter Ablation for the Maintenance of Sinus Rhythm In Patients With Paroxysmal Atrial Fibrillation
Overview
- Phase
- Phase 4
- Intervention
- Radiofrequency ablation, antiarrhythmic drugs
- Conditions
- Paroxysmal Atrial Fibrillation
- Sponsor
- Biosense Webster, Inc.
- Enrollment
- 112
- Locations
- 6
- Primary Endpoint
- Recurrence of Atrial Fibrillation
- Status
- Completed
- Last Updated
- last year
Overview
Brief Summary
The purpose of this study is to compare radiofrequency catheter ablation and antiarrhythmic drug treatment for the maintenance of sinus rhythm in paroxysmal atrial fibrillation patients.
Investigators
Eligibility Criteria
Inclusion Criteria
- •18 years of age or older
- •Paroxysmal atrial fibrillation for at least 6 months with at least 2 symptomatic episodes (patient history) during the previous month
- •Atrial fibrillation (patient history or echocardiogram documented) resistant to at least one antiarrhythmic drug of Class I or III
- •Documentation of at least one episode of atrial fibrillation on 12-lead echocardiogram or Holter Monitor
Exclusion Criteria
- •Contraindications to more than 2 antiarrhythmic drugs of different classes, or to oral anticoagulants
- •History of any previous ablation for atrial fibrillation
- •Intracardiac thrombus
- •Atrial fibrillation due to reversible cause
- •Pregnancy
- •Contraindication to stopping oral anticoagulation (for example as a result of a mechanical cardiac valve)
Arms & Interventions
Drug Treatment
Intervention: Radiofrequency ablation, antiarrhythmic drugs
Drug Treatment
Intervention: Amiodarone, flecainide, propafenone, quinidine, dofetilide, sotalol, cibenzoline, beta blocking and calcium channel blocking agents and antiarrhythmic drugs
ThermoCool Radiofrequency Catheter
Radiofrequency catheter used.
Intervention: Radiofrequency ablation, antiarrhythmic drugs
ThermoCool Radiofrequency Catheter
Radiofrequency catheter used.
Intervention: ThermoCool Radiofrequency Catheter
Outcomes
Primary Outcomes
Recurrence of Atrial Fibrillation
Time Frame: One year
To compare the incidence of recurrence of Atrial Fibrillation in the two groups over a follow-up period of one year.
Secondary Outcomes
- Efficacy of ablation and drug treatment(One year)