| 环形标测电极指导下射频导管消融右心室流出道室性心动过速 |
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| 引用本文： | 邱春光,黄振文,卢文杰,陶海龙,韩战营,杨海波. 环形标测电极指导下射频导管消融右心室流出道室性心动过速[J]. 中国心脏起搏与心电生理杂志, 2005, 19(3): 191-193 |
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| 作者姓名： | 邱春光 黄振文 卢文杰 陶海龙 韩战营 杨海波 |
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| 作者单位： | 1. 华中科技大学同济医学院附属同济医院心血管内科,湖北,武汉,430030;郑州大学第一附属医院心内科
2. 郑州大学第一附属医院心内科 |
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| 摘 要： | 探讨环形电极对右室流出道室性心动过速(RVOTVT)的标测指导作用及射频消融方法。6例特发性RVOTVT患者,男4例、女2例,年龄35.0±6.3(18～42)岁。行常规电生理检查,应用环形电极标测右室流出道,以最早激动点结合窦性心律下起搏标测确定靶点。结果:4例起源于右室流出道间隔前部,1例起源于间隔后部,1例起源于游离壁,6例均成功进行了射频消融,成功率100%。平均手术时间78±22min。结论:环形标测电极可以指导快速寻找室性心动过速起源点,缩短标测及消融时间。
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| 关 键 词： | 电生理学 右室流出道 室性心律失常 导管消融,射频电流 环形标测电极 |
| 文章编号： | 1007-2659(2005)03-0191-03 |
| 修稿时间： | 2005-03-30 |
Radiofrequency Catheter Ablation of Idiopathic Right Ventricular Tract Tachycardia Guided by Ring Mapping Catheter |
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| QIU Chun-guang,HUANG Zhen-wen,LU Wun-jie,et al.. Radiofrequency Catheter Ablation of Idiopathic Right Ventricular Tract Tachycardia Guided by Ring Mapping Catheter[J]. Chinese Journal of Cardiac Pacing and Electrophysiology, 2005, 19(3): 191-193 |
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| Authors: | QIU Chun-guang HUANG Zhen-wen LU Wun-jie et al. |
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| Affiliation: | QIU Chun-guang,HUANG Zhen-wen,LU Wun-jie,et al. Department of Cardiology,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan 430030,China |
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| Abstract: | To evaluate the efficacy of ring mapping catheter (Lasso) guided radiofrequency catheter ablation of idiopathic right ventricular outflow tract tachycardia (RVOT-VT),six patients (male 4, female 2, 35.0±6.0 years old) with idiopathic RVOT-VT underwent conventional electrophysiological study and ring mapping catheter guided radiofrequency catheter ablation. RVOT was mapped by ring catheter. The earliest local activation site during ventricular tachycardia (VT) and ventricular premature contraction (VPC) was identified by ring catheter and then pace mapping was performed by ablation catheter during sinus rhythm to further determine the target for radiofrequency catheter ablation.Results: VTs originated from RVOT septum in five patients,including from free wall in one patient. All VTs and VPCs were ablated successfully (successful rate was 100%).Conclusion: Ring mapping catheter is helpful in identifying the origins of VTs or VPCs and can save mapping and ablation time. |
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| Keywords: | Electrophysiology Right ventricular outflow tract Ventricular arrhythmia Catheter ablation radiofrequency current Ring catheter |
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