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学科主题临床医学
Electrophysiologic and electrocardiographic characteristics of focal atrial tachycardia arising from superior tricuspid annulus
Yin, J. X.1; Zhou, Y. F.2; Li, X. B.1; Zhang, P.1; Zhang, H. C.1; Zhang, T.1; Guo, J. H.1
刊名INTERNATIONAL JOURNAL OF CLINICAL PRACTICE
2008-07-01
DOI10.1111/j.1742-1241.2007.01600.x
62期:7页:1008-1012
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Medicine, General & Internal ; Pharmacology & Pharmacy
研究领域[WOS]General & Internal Medicine ; Pharmacology & Pharmacy
关键词[WOS]RADIOFREQUENCY ABLATION ; CATHETER ABLATION ; FIBRILLATION ; ARRHYTHMIAS ; MECHANISMS ; ADENOSINE ; FLUTTER
英文摘要

Objectives: This study describes the electrophysiologic and electrocardiographic characteristics of focal atrial tachycardia (AT) arising from superior tricuspid annulus in six (1.9%) patients of a consecutive series of 320 patients. Methods: Six patients (mean age 42 +/- 22 years) with a mean cycle length of 326 ms of a consecutive series of 320 patients undergoing radiofrequency ablation for focal AT were mapped. Results: During electrophysiologic study, tachycardia could be induced in five patients with programmed atrial extrastimuli while a spontaneous onset and offset with ′warm-up and cool-down′ phenomenon was seen in the other patient. During tachycardia, P-wave morphology in Lead I, II, III and aVF was upright in all the six patients. The precordial leads were dominantly negative or isoelectric in V(1)-V(2) and positive in V(5)-V(6) with a transition at V(3) or V(4). Moreover, the tachycardia was sensitive to intravenous administration of adenosine triphosphate in five of six patients. Conclusions: Radiofrequency ablation was performed successfully in all patients (mean 4.5 +/- 1.2 applications). No recurrence of AT was observed after a mean follow-up of 8 +/- 6 months. Thus, AT arising from superior tricuspid annulus is rare. Radiofrequency ablation of this kind of AT is safe and effective.

语种英语
WOS记录号WOS:000256492900010
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/51716
专题北京大学第二临床医学院
作者单位1.Peking Univ, Dept Cardiac Electrophysiol, Peoples Hosp, Beijing 100871, Peoples R China
2.China Japan Friendship Hosp, Dept Cardiol, Beijing, Peoples R China
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GB/T 7714
Yin, J. X.,Zhou, Y. F.,Li, X. B.,et al. Electrophysiologic and electrocardiographic characteristics of focal atrial tachycardia arising from superior tricuspid annulus[J]. INTERNATIONAL JOURNAL OF CLINICAL PRACTICE,2008,62(7):1008-1012.
APA Yin, J. X..,Zhou, Y. F..,Li, X. B..,Zhang, P..,Zhang, H. C..,...&Guo, J. H..(2008).Electrophysiologic and electrocardiographic characteristics of focal atrial tachycardia arising from superior tricuspid annulus.INTERNATIONAL JOURNAL OF CLINICAL PRACTICE,62(7),1008-1012.
MLA Yin, J. X.,et al."Electrophysiologic and electrocardiographic characteristics of focal atrial tachycardia arising from superior tricuspid annulus".INTERNATIONAL JOURNAL OF CLINICAL PRACTICE 62.7(2008):1008-1012.
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