冷盐水灌注导管消融心外膜旁路的疗效分析

Effective analysis on cool-tipped catheter ablation of epicardial accessory pathway

目的探讨冷盐水灌注消融导管(I-ABL)对常规射频消融失败的心外膜旁路消融治疗的疗效及安全性。方法选择常规射频消融失败的心外膜旁路患者30例,其中左侧旁路25例,右侧旁路5例,均使用I-ABL,经心内膜(心室侧或心房侧)或冠状静脉窦内进行消融治疗。结果 30例患者经I-ABL消融治疗后均获得满意疗效,术中、术后未出现相关并发症。结论 IABL对于常规射频消融失败的心外膜旁路的消融治疗是有效及安全的,可能对提高心外膜旁路消融的成功率有一定帮助。

Objective To investigate the efficacy and safety of cool-tipped saline-irrigated catheter ablation of epicardial accesso-ry pathway in the patients after failure of conventional radiofrequency ablation .Methods 30 patients with epicardial accessory path-way after failuer of conventional radiofrequency ablation were included in this study ,among them ,25 cases of the left accessory pathway and 5 cases of the right accessory prathway used the cool-tipped catheter for conducting ablation through the endocardium （ventricular side or atrial side） or coronary sinus .Results All patients achieved success ,no intraoperative and postoperative related complications occurred .Conclusion The cool-tipped saline-irrigated catheter ablation of epicardial accessory pathway is effective and safe in the patients after failure of conventional radiofrequency ablation ,which may improve the success rate of epicardial acces-sory pathway ablation .