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目的探讨儿童不同类型心动过速的临床特点及其射频消融效果。方法对2000年12月~2004年12月在我院住院并接受经导管射频消融术(RFCA)治疗的65例儿童快速心律失常的临床特征及RFCA治疗结果进行回顾性分析。结果65例患者心动过速患儿中房室折返性心动过速(AVRT)28例,房室结折返性心动过速(AVNRT)25例,房性心动过速4例(其中1例合并心房扑动),特发性室性心动过速8例。RFCA治疗总成功率为92.3%(60/65),其中左侧房室旁道及AVNRT患者成功率最高,分别为100%与96%。2例患者于术后出现迟发性房室传导阻滞,经用激素治疗后完全恢复正常;无血管损伤及心包填塞等并发症发生。随访6~48个月,3例复发(占4.6%),均再次手术获得成功。结论AVRT和AVNRT是儿童心动过速中最常见的类型,用RFCA治疗儿童快速性心律失常安全、有效。
Objective To investigate the clinical features and radiofrequency ablation of different types of tachycardia in children. Methods The clinical features of 65 children with tachyarrhythmia admitted to our hospital from December 2000 to December 2004 underwent RFCA were retrospectively analyzed. Results A total of 28 patients with atrioventricular reentrant tachycardia (AVRT), 25 AVNRT and 4 atrial tachycardia were included in 65 patients with tachycardia Flutter), idiopathic ventricular tachycardia in 8 cases. The success rate of RFCA treatment was 92.3% (60/65). The success rate of the left atrioventricular accessory pathway and AVNRT was 100% and 96% respectively. Delayed atrioventricular block was found in 2 patients after operation and completely returned to normal after treatment with hormone. No complications such as vascular injury and pericardial tamponade occurred. All cases were followed up for 6 ~ 48 months and 3 cases were recurrences (4.6%). All were successful again. Conclusions AVRT and AVNRT are the most common types of tachycardia in children. It is safe and effective to treat tachyarrhythmia in children with RFCA.