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目的 总结２２７ 例接受射频消融治疗的室上性心动过速病人临床资料。方法 综合分析比较不同类型室上性心动过速消融成功率、Ｘ光曝光时间、消融手术时间。结果 ２２７ 例患者共检测到双径及旁道２７１ 条，有效消融旁道及改良慢径共２５７ 条，总有效消融率９６．９％ ，１０３ 条左侧旁道全部消融成功，双径路及右侧旁道成功率分别为９８．０ ％ 和８７．６％ 。消融手术时间和Ｘ线曝光时间左侧旁道分别为３３．６±２３．４ 和１３．１±９ ．２ 。明显小于双径路和右侧旁道（Ｐ＜０．０１）。结论 射频消融治疗室上性心动过速成功率高，其中尤以左侧游离壁，左后间隔旁道消融最易获得成功。
Objective To summarize the clinical data of 227 patients with supraventricular tachycardia undergoing radiofrequency ablation. Methods A comprehensive analysis of different types of supraventricular tachycardia ablation success rate, X-ray exposure time, ablation time. Results A total of 271 pairs of pathways and bypass were detected in 227 patients. Totally 257 effective bypass and modified slow paths were detected. The total effective ablation rate was 96.9%. All 103 left ablations were successfully ablated. The success rate of side pathways were 98.0% and 87.6% respectively. The time of ablation and the time of X-ray exposure were 33.6 ± 23.4 and 13.1 ± 9, respectively. 2. Significantly less than the dual pathway and right bypass (P <0.01). Conclusion The success rate of radiofrequency ablation in the treatment of supraventricular tachycardia is high, especially in the left free wall, the left posterior septal ablation is the most successful.