Atrial Fibrillation Clinical Trial
Official title:
Outcomes of Early Referral to Radiofrequency Ablation in Symptomatic Atrial Fibrillation
Atrial fibrillation (AF) is the most common arrhythmia among adults with increasing risk of stroke, heart failure and mortality. The EAST-AFNET 4 trial showed that rhythm control treatment (Antiarrhythmic drugs AAD or catheter ablation) was associated with a lower risk of adverse cardiovascular outcomes than usual care among patients who had recently (within one year) been diagnosed with atrial fibrillation. In phase II/III GLORIA AF registry, Early AF ablation within 3 months from initial diagnosis in a contemporary cohort of patients who were predominantly treated with non-vitamin K antagonist oral anticoagulants was associated with a survival advantage compared to medical therapy alone. Moreover, early AF ablation appeared to provide the greatest benefit compared to other treatments. The ATTEST trial was a multicenter, randomized, prospective study in patients with paroxysmal atrial fibrillation (AF) designed to assess whether radiofrequency (RF) ablation is more effective in delaying the progression to persistent AF than AADs. Patients >_65 years were significantly more likely to progress to persistent AF/AT than patients were <65 years, suggesting that early RF ablation may be an effective treatment strategy for delaying AF progression. So, we hypothesize that early AF ablation within one year after first AF diagnosis may associate with improved procedures outcomes in symptomatic AF patients.
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