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目的:探讨阵发性室上性心动过速(PSVT)患者的电生理机制、射频消融术(RFCA)治疗的有效性与安全性。方法:对102例PSVT患者均先行心内电生理检查,明确PSVT类型及消融的靶点,并实施RFCA术。结果:102例患者中,房室结折返性心动过速45例,占44.1%;房室折返性心动过速57例,占55.9%。发生永久性度房室传导阻滞1例,无1例因并发症死亡。结论:RFCA是根治PSVT的一种安全有效的方法,但术者的熟练程度、消融靶点的位置、患者的配合等是减少术后并发症的主要因素。
Objective: To investigate the electrophysiological mechanism of patients with paroxysmal supraventricular tachycardia (PSVT) and the efficacy and safety of radiofrequency catheter ablation (RFCA). Methods: 102 patients with PSVT underwent electrophysiological examination before the first, clear PSVT type and ablation target, and the implementation of RFCA surgery. Results: Of the 102 patients, atrioventricular nodal reentrant tachycardia was found in 45 cases (44.1%) and atrioventricular reentrant tachycardia was 57 (55.9%). A case of permanent atrioventricular block occurred, none of them died of complications. Conclusion: RFCA is a safe and effective method to cure PSVT. However, the proficiency of the surgeon, the location of the ablation target and the cooperation of the patient are the main factors to reduce postoperative complications.