Why the study?
Does segmental ostial pulmonary vein isolation prevent recurrence in patients with permanent and persistent atrial fibrillation?
Does segmental ostial pulmonary vein isolation prevent recurrence in patients with permanent and persistent atrial fibrillation?
Segmental ostial pulmonary vein isolation is associated with common recurrence in persistent and permanent atrial fibrillation, suggesting alternative techniques are needed.
May not suffice for durable sinus rhythm in persistent AF; leaves open efficacy of adjunctive ablation strategies.
Persistent and permanent atrial fibrillation can be successfully treated using segmental isolation. However, recurrence is common even when all four veins are isolated using an open irrigated tip catheter, and multiple procedures are performed. Alternative techniques are required in this population.
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Lim et al. (2006) studied this question.
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