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Effect of Delayed Response on the Result and Complication of Radiofrequency Ablation
Author(s): 
Pages: 7-9
Year: Issue:  1
Journal: CHINESE JOURNAL OF MISDIAGNOSTICS

Keyword:  导管消融术预激综合征心动过速房室结折返性电生理学;
Abstract: 目的:探讨射频消融延迟效应对手术效果及并发症的影响.方法:回顾分析1998~2002年住院的室上速4例,年龄15~45岁,男女各2例,其中房室结折返性心动过速(AVNRT)2例,右侧显性预激(B-WPW)2例,射频消融均未成功,在消融过程中2例B-WPW出现短暂旁路前传消失,2例AVNRT出现短暂快速交界性心律及一过性Ⅲ度房室传导阻滞.结果:2例B-WPW术后1个月复查心电图预激消失,2例AVNRT分别于术后 3d和1周出现持续Ⅲ度房室传导阻滞和Ⅱ度Ⅰ型房室传导阻滞,经激素治疗后房室传导均恢复正常.所有患者术后均未再发作室上速.结论:射频消融术后组织及电学损伤范围可进一步加大从而产生延迟现象,它可对患者有益也可产生不利影响,因此射频消融时要密切注意可能产生延迟反应的电生理现象.
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