Effect of pulmonary vein isolation on atrial fibrillation recurrence after accessory pathway ablation in patients with Wolff-Parkinson-White syndrome.

A recent study showed that adding PVI after successful ablation of paroxysmal supraventricular tachycardia (29 of the patients had APs) reduced the AF recurrence rate, but the difference did not reach statistical significance. 19 Kawabata et al 6 compared the efficacy of AP ablation alone and additional AF ablation on accompanying AF and found that adding PVI did not improve the freedom from residual AF compared with AP ablation alone in all patients with WPW syndrome and AF; however, adding PVI significantly reduced AF recurrence in a subgroup of patients with brain natriuretic peptide (BNP) concentrations >40 pg/mL.

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