Thromboembolic event rate in patients with persistent or paroxysmal atrial fibrillation post circumferential pulmonary vein isolation: a single center experience in China.

Background: Pulmonary-vein isolation (PVI) is currently used for the treatment of chronic and paroxysmal atrial fibrillation and a major risk of PVI is thromboembolism. The purpose of this study was to observe embolic event rate in patients with persistent or paroxysmal atrial fibrillation (AF) undergone PVI.

Methods: Circumferential PVI (CPVI) was performed in 64 consecutive patients with persistent AF (42 men, aged (60.