Key result
Left atrial catheter ablation (LACA) was more effective than segmental ostial catheter ablation (SOCA) for achieving freedom from symptomatic PAF at 6 months (88% vs 67%, P=0.02).
Why the study?
Does left atrial catheter ablation (LACA) improve freedom from symptomatic atrial fibrillation compared to segmental ostial catheter ablation (SOCA) in patients with paroxysmal atrial fibrillation?
Cohort (n=80)
Does left atrial catheter ablation (LACA) improve freedom from symptomatic atrial fibrillation compared to segmental ostial catheter ablation (SOCA) in patients with paroxysmal atrial fibrillation?
Absolute Event Rate: 88% vs 67%
p-value: p=0.02
Left atrial catheter ablation encircling the pulmonary veins is significantly more effective than segmental ostial ablation for preventing symptomatic recurrence in patients with paroxysmal atrial fibrillation.
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LACA may improve 6-month PAF control versus SOCA in this cohort; leaves open durability, safety, and need for randomized confirmation.
Oral et al. (2003) conducted a cohort in Symptomatic paroxysmal atrial fibrillation (n=80). Left atrial catheter ablation (LACA) vs. Segmental ostial catheter ablation (SOCA) was evaluated on Freedom from symptomatic PAF when not taking antiarrhythmic drug therapy (p=0.02). Left atrial catheter ablation (LACA) was more effective than segmental ostial catheter ablation (SOCA) for achieving freedom from symptomatic PAF at 6 months (88% vs 67%, P=0.02).
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