Mitral isthmus pathology of re-entrant ventricular tachycardia in a patient with idiopathic dilated cardiomyopathy

Taka Aki Matsuyama; Takashi Kurita; Kazuhiro Suyama; Hideo Okamura; Takashi Noda; Kazuhiro Satomi; Wataru Shimizu; Naohiko Aihara; Yoshihiko Ikeda; Shin Inoue; Shiro Kamakura; Hatsue Ishibashi-Ueda

doi:10.1093/europace/eup067

Mitral isthmus pathology of re-entrant ventricular tachycardia in a patient with idiopathic dilated cardiomyopathy

Taka Aki Matsuyama, Takashi Kurita, Kazuhiro Suyama, Hideo Okamura, Takashi Noda, Kazuhiro Satomi, Wataru Shimizu, Naohiko Aihara, Yoshihiko Ikeda, Shin Inoue, Shiro Kamakura, Hatsue Ishibashi-Ueda

研究成果: Article › 査読

抄録

A 68-year-old woman with idiopathic dilated cardiomyopathy suffered from drug-resistant monomorphic ventricular tachycardia (VT). Electrophysiological study revealed a re-entrant VT circuit located just beneath the inferior mitral valve annulus. The VT was considered to be related to the mitral valve isthmus and was abolished by radiofrequency ablation. The patient died 2 years after the ablation due to worsening of heart failure and an autopsy was performed. Pathological examination revealed ablation scar tissue on the localized myocardial bundle running parallel to the mitral valve annulus. Therefore, this bundle appeared to comprise the slow conduction area of the re-entrant VT in this case.

本文言語	English
ページ（範囲）	827-830
ページ数	4
ジャーナル	Europace
巻	11
号	6
DOI	https://doi.org/10.1093/europace/eup067
出版ステータス	Published - 2009 6月
外部発表	はい

ASJC Scopus subject areas

循環器および心血管医学
生理学（医学）

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10.1093/europace/eup067

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abstract = "A 68-year-old woman with idiopathic dilated cardiomyopathy suffered from drug-resistant monomorphic ventricular tachycardia (VT). Electrophysiological study revealed a re-entrant VT circuit located just beneath the inferior mitral valve annulus. The VT was considered to be related to the mitral valve isthmus and was abolished by radiofrequency ablation. The patient died 2 years after the ablation due to worsening of heart failure and an autopsy was performed. Pathological examination revealed ablation scar tissue on the localized myocardial bundle running parallel to the mitral valve annulus. Therefore, this bundle appeared to comprise the slow conduction area of the re-entrant VT in this case.",

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AU - Matsuyama, Taka Aki

AU - Kurita, Takashi

AU - Suyama, Kazuhiro

AU - Okamura, Hideo

AU - Noda, Takashi

AU - Satomi, Kazuhiro

AU - Shimizu, Wataru

AU - Aihara, Naohiko

AU - Ikeda, Yoshihiko

AU - Inoue, Shin

AU - Kamakura, Shiro

AU - Ishibashi-Ueda, Hatsue

PY - 2009/6

Y1 - 2009/6

N2 - A 68-year-old woman with idiopathic dilated cardiomyopathy suffered from drug-resistant monomorphic ventricular tachycardia (VT). Electrophysiological study revealed a re-entrant VT circuit located just beneath the inferior mitral valve annulus. The VT was considered to be related to the mitral valve isthmus and was abolished by radiofrequency ablation. The patient died 2 years after the ablation due to worsening of heart failure and an autopsy was performed. Pathological examination revealed ablation scar tissue on the localized myocardial bundle running parallel to the mitral valve annulus. Therefore, this bundle appeared to comprise the slow conduction area of the re-entrant VT in this case.

AB - A 68-year-old woman with idiopathic dilated cardiomyopathy suffered from drug-resistant monomorphic ventricular tachycardia (VT). Electrophysiological study revealed a re-entrant VT circuit located just beneath the inferior mitral valve annulus. The VT was considered to be related to the mitral valve isthmus and was abolished by radiofrequency ablation. The patient died 2 years after the ablation due to worsening of heart failure and an autopsy was performed. Pathological examination revealed ablation scar tissue on the localized myocardial bundle running parallel to the mitral valve annulus. Therefore, this bundle appeared to comprise the slow conduction area of the re-entrant VT in this case.

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Mitral isthmus pathology of re-entrant ventricular tachycardia in a patient with idiopathic dilated cardiomyopathy

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