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异搏定敏感的先天性左室心动过速消融后肢导联心电图形态的改变及其与复发的关系

The morphology changes in limb leads after ablation of verapamil-sensitive idiopathic left ventricular tachycardia and their correlation with recurrence
Yao S.-Y., Chu J.-M., Fang P.-H., Zhang K.-J., Ma J., Zhang S.   |   2009/5/29 18:39:58 
Journal of Cardiovascular Electrophysiology, 2008   |   Volume 19, Issue 3  |   打印| 推荐给好友
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The Morphology Changes in Limb Leads. Objectives: This study was designed to explore the morphology changes in limb leads of ECGs after successful ablation of verapamil sensitive idiopathic left ventricular tachycardia (ILVT) and their correlation with tachycardia recurrence. Methods: Between January 2001 and December 2006, 116 patients who underwent successful ablation of ILVT were included in the study. Twelve-lead surface ECG recordings during sinus rhythm were obtained in all patients before and after ablation to compare morphology changes in limb leads. Results: The ECG morphology changes after ablation were divided into two categories: one with new or deepening Q wave in inferior leads and/or disappearance of Q wave in leads I and aVL, and the other without change. The changes in any Lead II, III, or aVF after ablation occurred significantly more in patients without recurrence of ventricular tachycardia (VT) (P < 0.0001, 0.002, and 0.0001, respectively). The patients with recurrence of VT tended to have no ECG changes, compared with those without recurrence of VT (P = 0.009). The sensitivity of leads II, III, and aVF changes in predicting nonrecurrence VT were 66.7%, 78.7%, and 79.6%, specificity were 100%, 75%, and 87.5%, and nonrecurrence predictive value of 100%, 97.7%, and 98.9%, respectively. When inferior leads changes were combined, they could predict all nonrecurrence patients with 100% specificity. Conclusions: Successful radiofrequency ablation of ILVT could result in morphology changes in limb leads of ECG, especially in inferior leads. The combined changes in inferior leads can be used as an effective endpoint in ablation of this ILVT. © 2008 by Futura Publishing Company, Inc.
Correspondence Address: Zhang, S.; Center of Arrhythmias, Fuwai Cardiovascular Hospital, Peking Union Medical College, BeiLiShi Road 167#, 100037, Beijing, China; email: zhangshuysy@yahoo.com 
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慢性心衰诊治：规范中求突破
黄峻
2012-2-1
南京医科大学第一附属医院
房颤治疗：手段渐趋丰富 新型治疗药物不断涌现 非药物治疗备受关注
马长生
2012-2-1
首都医科大学附属北京安贞医院
注重老年人群特征 优化管理

刘梅林
2012-2-1
北京大学第一医院老年内科

 
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