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目的:分析长导引鞘在慢径路消融治疗房室结折返性心动过速(AVNRT)中的价值。方法:应用长导引鞘作支撑行慢径消融术治疗48例AVNRT患者,与文献报道的普通AVNRT消融术的平均放电次数、平均功率、并发症及复发率进行比较。结果:48例AVNRT患者全部消融成功,术中平均放电次数为(2.6±0.4)次,平均功率为(16±9)W,48例均无并发症出现,无1例复发。结论:使用长导引鞘辅助消融,加强导管的稳定性及贴靠的紧密程度,提高消融成功率,节省费用,降低放电功率,减少并发症和复发率,是治疗AVNRT的安全有效的方法。
Objective: To analyze the value of long guide sheath in the treatment of atrioventricular nodal reentrant tachycardia (AVNRT) with slow pathway ablation. Methods: A total of 48 patients with AVNRT underwent long-path ablation with slow guide catheter ablation. The average number of discharges, average power, complications and recurrence rate of AVNRT ablation were compared. Results: All 48 patients with AVNRT were successfully ablated. The mean number of intraoperative radiotherapy was (2.6 ± 0.4) times and average power was (16 ± 9) W. No complications were found in 48 cases, and no recurrence was found in 1 case. Conclusion: The use of a long guide sheath to aid ablation, to enhance the stability of the catheter and the close contact degree, improve the success rate of ablation, save costs, reduce the discharge power, reduce complications and recurrence rate, is a safe and effective method of treatment of AVNRT.