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Efficacy of Different Ablation Strategies for Controlling Atrial Fibrillation — RASTA  

Atrial Fibrillation Clinical Trial

Official title:
Efficacy of Different Ablation Strategies in Achieving Long-Term Arrhythmia Control in Patients With Persistent or Permanent Atrial Fibrillation

Clinical Trial Summary

This study involves treatment for atrial fibrillation (AF)—the most common heart condition in the US—where the upper chambers of the heart beat very fast and in a disorganized manner. This can be felt as palpitations, tiredness, shortness of breath and passing out, plus can lead to stroke, damage to the heart muscle and a shorter life span. Study participants will receive a common treatment for atrial fibrillation called radiofrequency ablation (RFA), where small lesions or "burns" are made inside the heart to cut off the abnormal impulses that cause AF. The purpose of this study is to compare the effectiveness of three different common ablation strategies in patients with persistent or permanent AF. Subjects will be randomized (like drawing straws) to be treated with one of the three strategies to see if there is a difference in how well atrial fibrillation is controlled after treatment.

Clinical Trial Description

In most cases, AF originates where the pulmonary veins (PV) enter the left upper chamber of the heart, known as the left atrium (LA). Common to the procedure in each arm of the study is pulmonary vein isolation (PVI) or ablation of tissue around the pulmonary vein entrances. After PVI, the procedure continues with ablation in other areas of the LA where similar abnormal impulses are found. The three strategies for continuing with ablation after PVI are described in the "Arms" section below. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00379301
Study type Interventional
Source University of Pennsylvania
Contact
Status Completed
Phase N/A
Start date October 2006
Completion date October 2011
View Details
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