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与高压直流电击相比,射频流通过阻抗产热造成组织损伤,不伴有爆炸气体形成,不对儿童心脏造成气压伤,因此特别有希望用于儿童的旁道消蚀。本文报告作者使用射频导管消蚀术治疗儿童持续性、有症状的室上性快速心律失常的初步经验。治疗对象为17例儿童患者,年龄10个月至17岁,均因恶性或药物治疗无效的室上性快速心律失常而给予射频导管消蚀术治疗。其中1例为交界性异位性心动过速,4例为房室结折返性心动过速,12例为经旁道传导的心动过速。后12例的旁道部位如下:左外侧4例,后间隔3例,左后侧2例,右后外侧1例,右后间隔旁1例,右中间隔1例,右前1例。旁道消蚀:对左侧旁道者,由股动脉逆
Compared with high-voltage DC shock, radio frequency flow through the impedance heat caused tissue damage, not associated with the formation of explosive gases, does not cause pressure injury to the heart of children, it is particularly promising for bypassing children. This article reports the authors’ experience with radiofrequency catheter ablation in the treatment of persistent, symptomatic, supraventricular tachyarrhythmia in children. The treatment was performed on 17 pediatric patients, ages 10 months to 17 years, who were treated with radiofrequency catheter ablation for supraventricular tachyarrhythmias that were either malignant or drug-ineffective. One case of borderline ectopic tachycardia, 4 cases of atrioventricular nodal reentrant tachycardia, 12 cases of transcatheter tachycardia conduction. The posterior part of the latter 12 cases were as follows: 4 cases in the left lateral, 3 cases in the posterior, 2 in the left posterior, 1 in the right posterolateral, 1 in the right posterior, 1 in the right middle and 1 in the right. Abolition of the bypass: the left side of the bypass, by the femoral artery inverse