Electrophysiological Characteristics of Atrial Tachycardia After Pulmonary Vein Isolation of Atrial Fibrillation

被引：13

作者：

Satomi, Kazuhiro ^{[1
]}

机构：

[1] Natl Cerebral & Cardiovasc Ctr, Dept Arrhythmia & Electrophysiol, Suita, Osaka 5658565, Japan

来源：

CIRCULATION JOURNAL | 2010年 / 74卷 / 06期

关键词：

Atrial fibrillation; Atrial tachycardia; Electro-anatomical mapping; Pulmonary vein; CATHETER ABLATION; MACROREENTRANT TACHYCARDIA; MITRAL ISTHMUS; PREVALENCE; RECURRENCE; MECHANISMS;

D O I：

10.1253/circj.CJ-10-0248

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Pulmonary vein (PV) isolation is a cornerstone of atrial fibrillation (AF) ablation. This technique is now widely spread all over the world. Numerous studies have demonstrated that complete PV isolation with circular lesions has a better outcome in patients with paroxysmal and persistent AF. In contrast, it may lead to iatrogenic left atrial tachycardia (AT) as an adverse effect of the ablation. Three mechanisms of AT can develop after AF ablation, including macro-reentrant AT, focal AT and PV tachycardia. AT after AF ablation is predominantly related to the arrhythmogenicity of the PVs, lesions created by the ablation procedure and damaged atrial tissue from the persistent tachyarrhythmias. The 3-dimensional maps play an important role in clarifying the mechanism of the tachycardia and the optimal ablation site for ATs. (Circ J 2010; 74: 1051-1058)

引用

页码：1051 / 1058

页数：8

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