Why the study?
Does circumferential ablation with PV-LA block compared to segmental ostial PV ablation reduce LA posterior wall ectopy initiating recurrent AF in patients with symptomatic AF?
Population
73 consecutive patients with symptomatic atrial fibrillation who underwent pulmonary vein isolation and had…
Comparison
Circumferential ablation with PV-left atrial block vs Segmental ostial PV ablation
Design
Cohort
Authors
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May warrant posterior wall mapping in recurrent AF after ostial isolation; leaves open whether ablation strategy modifies non-PV triggers.
Does circumferential ablation with PV-LA block compared to segmental ostial PV ablation reduce LA posterior wall ectopy initiating recurrent AF in patients with symptomatic AF?
Circumferential ablation with PV-LA block eliminates LA posterior wall ectopy as a trigger for recurrent AF compared to segmental ostial ablation.
Lo et al. (2007) studied this question.
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