Objective To evaluate the safety and efficacy of radiofrequency catheter ablation guided by 3-dimensional electroanatomic mapping system (CARTO)in treatment of patients with atrial fibrillation (AF).

探讨在三维电解剖标测系统（CARTO）指导下经导管射频消融治疗心房颤动（房颤）的安全性和有效性。

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Conclusion: Circumferential pulmonary vein linear ablation guided by 3d mapping system (CARTO system) was safe and effective for paroxysmal atrial fibrillation therapy.

结论：三维标测系统指引导管环肺静脉线性消融治疗阵发性心房颤动疗效高，安全性好。

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Objective: TO investigate the safety and efficacy of circumferential pulmonary vein linear ablation guided by 3d mapping system (CARTO) in patients with atrial fibrillation.

目的：评价三维标测系统(CARTO)指导下心房颤动导管射频消融治疗的疗效和安全性。

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