目的：观察冷盐水灌注导管射频消融治疗心律失常的疗效及安全性。

Objective: To evaluate the safety and efficacy of cooled radiofrequency (RF) ablation for arrhythmias by saline irrigation catheter.

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结论：冷盐水灌注导管对难治性右侧旁路是一种安全有效治疗方法。

Objective:To evaluate the usefulness and the safety of applying irrigated-tip catheters in treating patients with right accessory pathways(AP)resistant to conventional catheter abalation.

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结论：冷盐水灌注导管射频消融治疗心律失常的疗效和安全性高，尤其对位置较深的心律失常更有优势。

Conclusions: Cooled RF ablation by saline irrigation catheter had good efficacy and high safety in treating arrhythmias, especially for those located deep.

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