Suppression of Storms of Ventricular Tachycardia by Epicardial Ablation of Isolated Delayed Potential in Noncompaction Cardiomyopathy

被引：4

作者：

Chinushi, Masaomi ^{[1
]}

Iijima, Kenichi ^{[1
]}

Furushima, Hiroshi ^{[1
]}

Izumi, Daisuke ^{[1
]}

Sato, Akinori ^{[1
]}

Yagihara, Nobue ^{[1
]}

Hasegawa, Kanae ^{[1
]}

Watanabe, Hiroshi ^{[1
]}

Soejima, Kyoko ^{[2
]}

Aizawa, Yoshifusa ^{[1
]}

机构：

[1] Niigata Univ, Sch Med, Sch Hlth Sci, Dept Internal Med 1, Niigata 9518518, Japan

[2] Kawasaki Municipal Hosp, Dept Cardiol, Kawasaki, Kanagawa, Japan

来源：

PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY | 2013年 / 36卷 / 04期

关键词：

ventricular noncompaction; ventricular tachycardia; electrical storm; epicardial catheter ablation; NON-COMPACTION; MYOCARDIUM;

D O I：

10.1111/j.1540-8159.2010.02999.x

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

A 65-year-old recipient of an implantable cardioverter defibrillator suffering from ventricular noncompaction developed storms of ventricular tachycardia (VT). Epicardial voltage mapping revealed the presence of a large low-voltage area in the left ventricular apical and inferoposterior wall, and isolated delayed potential was recorded over 1.5 cm in the posterior border between low and normal myocardial voltage. Pacemapping at the delayed potential recording site produced two different QRS depending on pacing output strength, and these two QRS morphologies were similar to clinically documented VTs. During one of the VTs, a mid-diastolic potential was recorded from the site with the delayed potential, and rapid pacing produced concealed entrainment. After epicardial radiofrequency ablation of the isolated delayed potential, VTs were noninducible and the VT storm was suppressed. (PACE 2013; 36:e115-e119)

引用

页码：e115 / e119

页数：5

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