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背景1～3年内,15%～30%阵发性心房颤动(AF)自然发展为慢性AF。药物治疗无效的阵发性AF接受肺静脉分离治疗日益增多,远期疗效的报道不多。方法及结果2003～2004年下半年,161例症状性阵发性AF、左室功能正常的病人接受环肺静脉(PV)分离(三维图谱以double Lasso方法),左右两侧用射频连续环切病变,操作终点为用双Lasso导管置于同侧PVs,至少30 min不见PV电位。随
Background 1 to 3 years, 15% to 30% of paroxysmal atrial fibrillation (AF) naturally develop chronic AF. Paroxysmal AF ineffective drug treatment of pulmonary vein isolation and treatment of increasing, long-term efficacy of the report few. Methods and Results From the second half of 2003 to the end of 2004, 161 patients with symptomatic paroxysmal AF and normal left ventricular function underwent isolated pulmonary veins (PVP) (double Lasso method) , The end of the operation with dual Lasso catheter placed in the PVs on the same side, at least 30 min no PV potential. With