Computerized activation sequence mapping of the human atrial septum.

Computerized activation sequence mapping of the human atrial septum.
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人类房间隔的计算机化激活序列图。

DOI:
10.1016/0003-4975(90)90144-u
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发表时间:
1990
期刊:
The Annals of thoracic surgery
影响因子:
--
通讯作者:
Cox,JL
Cox,JL
中科院分区:
--
文献类型:
--
作者:
Chang,BC;Schuessler,RB;Stone,CM;Branham,BH;Canavan,TE;Boineau,JP;Cain,ME;Corr,PB;Cox,JL

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为了描述房间隔电激动的传播,术中使用156通道计算机标测系统记录了12例窦性心律患者(n = 10)、Wolff-Parkinson-白色综合征中与间隔通路相关的室上性心动过速(n = 3)、房室(AV)结折返性心动过速(n = 4)、心房扑动5例。心外膜和间隔的数据同时记录从156心房电极,数字化,分析,并显示为二维图上的心房的等值线图。在窦性心律时,激动波阵面沿着房间隔的大肌束传播最快。在与预白色综合征相关的室上性心动过速中,逆行心房激动的最早部位通常对应于间隔通路的心房插入位置。然而,在1例心外膜标测研究定位的后间隔旁路患者中,顺向性室上性心动过速期间的最早激动部位与心室起搏期间的最早激动部位不同。数据记录了在Wolff-Parkinson-白色综合征患者中分割旁路心室端(即,心内膜技术)而不是心房端(即,心外膜技术)的基本原理。在房室结折返性心动过速期间,听觉激动数据表明,位于解剖学房室结范围之外的心房组织是这种常见心律失常的必要环节。因此,这些房间隔标测图解释了为什么外科解剖或在房室结区域放置适当位置的小冷冻损伤可以消融房室结折返性心动过速而不改变正常房室结功能。房扑期间记录的标测图表明房间隔作为大折返回路的一个分支对心律失常的重要性,并暗示房扑可通过外科技术控制。这些研究证实了正常房间隔激动的细节,房间隔在各种不同房性心律失常中的重要性,以及最常见类型的室上性心律失常的外科消融的基础和潜力。
To delineate the propagation of electrical activation in the atrial septum, atrial epicardial and atrial septal maps were recorded intraoperatively using a 156-channel computerized mapping system in 12 patients during sinus rhythm (n = 10), supraventricular tachycardia associated with septal pathways in Wolff-Parkinson-White syndrome (n = 3), atrioventricular (AV) node reentrant tachycardia (n = 4), and atrial flutter (n = 5). The epicardial and septal data were recorded simultaneously from 156 atrial electrodes, digitized, analyzed, and displayed as isochronous maps on a two-dimensional diagram of the atria. During sinus rhythm, the activation wave fronts propagated most rapidly along the large muscle bundles of the atrial septum. During supraventricular tachycardia associated with Wolff-Parkinson-White syndrome, the earliest site of retrograde atrial activation usually corresponded to the position of atrial insertion of the septal pathways. However, the earliest site of activation during orthodromic supraventricular tachycardia was different from that during ventricular pacing in 1 patient with a posterior septal accessory pathway localized by the epicardial mapping study. The data document the rationale for dividing the ventricular end of the accessory pathways (ie, the endocardial technique) rather than the atrial end (ie, the epicardial technique) in patients with Wolff-Parkinson-White syndrome. During AV node reentrant tachycardia, aural activation data suggested that atrial tissue lying outside the confines of the anatomical AV node is a necessary link in this common arrhythmia. Thus, these atrial septal maps explain why surgical dissection, or properly positioned small cryolesions placed in the region of the AV node, can ablate AV node reentrant tachycardia without altering normal AV node function. The maps recorded during atrial flutter suggest the importance of the atrial septum as one limb of a macroreentrant circuit responsible for the arrhythmia, and imply that atrial flutter is arnenable to control by surgical techniques. These studies demonstrate the details of normal atrial septal activation, the importance of the atrial septum in a variety of different atrial arrhythmias, and the basis of and potential for surgical ablation of the most common types of supraventricular arrhythmias.
房室结折返性心动过速的冷冻手术治疗。
DOI: 10.1161/01.cir.76.6.1329
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DOI: 10.1111/j.1540-8159.1986.tb06632.x
发表时间: 1986
期刊: Pacing and Clinical Electrophysiology
影响因子: --
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DOI: 10.1152/ajplegacy.1971.220.1.1
发表时间: 1971
期刊: The American journal of physiology
影响因子: --
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DOI: 10.1016/s0002-9149(86)80016-9
发表时间: 1986
期刊: The American journal of cardiology
影响因子: --
作者:
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影响因子: --
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