Randomized Controlled Trial- Ablation Strategy for Paroxysmal Atrial Fibrillation - Trigger and Substrate Guided Wide Area Radiofrequency Ablation Compared to Pulsed Field Ablation Pulmonary Vein Isolation

Atrial fibrillation (AF) is a common heart rhythm disorder affecting over a million people in North America and is associated with serious complications including stroke, heart failure, reduced quality of life, and premature death. Catheter ablation has been shown to be more effective than medications for controlling symptoms and reducing the risk of these complications; however, recurrence of AF after ablation remains a significant challenge, often due to incomplete or ineffective initial procedures. This clinical trial aims to determine whether a novel, patient-tailored ablation strategy can improve outcomes compared to the current standard-of-care approach. Participants will be randomly assigned to undergo either standard pulmonary vein isolation or a more individualized ablation procedure that identifies and targets patient-specific sources of AF. All participants will undergo the ablation procedure, receive continuous heart rhythm monitoring, and be followed over time to assess recurrence and safety outcomes.

This description comes directly from the study's public registry record.

Girish Nair, MD  ·  613-696-7272  ·  GNair@ottawaheart.ca

Sonya Jancar  ·  613-696-7000  ·  sjancar@ottawaheart.ca

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