Clinical Course of Arrhythmogenic Right Ventricular Cardiomyopathy in the Era of Implantable Cardioverter-Defibrillators and Radiofrequency Catheter Ablation

This study investigated the clinical course of arrhythmogenic right ventricular cardiomyopathy (ARVC) patients and in particular evaluated the contribution of radiofrequency catheter ablation (RFCA) and an implantable cardioverter-defibrillator (ICD) to the treatment of ARVC. ARVC is a myocardial di...

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Veröffentlicht in:International Heart Journal 2010, Vol.51(1), pp.34-40
Hauptverfasser: Komura, Masatoshi, Suzuki, Jun-ichi, Adachi, Susumu, Takahashi, Atsushi, Otomo, Kenichiro, Nitta, Junichi, Nishizaki, Mitsuhiro, Obayashi, Tohru, Nogami, Akihiko, Satoh, Yasuhiro, Okishige, Kaoru, Hachiya, Hitoshi, Hirao, Kenzo, Isobe, Mitsuaki
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container_end_page 40
container_issue 1
container_start_page 34
container_title International Heart Journal
container_volume 51
creator Komura, Masatoshi
Suzuki, Jun-ichi
Adachi, Susumu
Takahashi, Atsushi
Otomo, Kenichiro
Nitta, Junichi
Nishizaki, Mitsuhiro
Obayashi, Tohru
Nogami, Akihiko
Satoh, Yasuhiro
Okishige, Kaoru
Hachiya, Hitoshi
Hirao, Kenzo
Isobe, Mitsuaki
description This study investigated the clinical course of arrhythmogenic right ventricular cardiomyopathy (ARVC) patients and in particular evaluated the contribution of radiofrequency catheter ablation (RFCA) and an implantable cardioverter-defibrillator (ICD) to the treatment of ARVC. ARVC is a myocardial disorder and a cause of sudden cardiac death due to ventricular tachycardia (VT). Little is known about its prognosis in Japanese ARVC patients. Thirty-five ARVC patients were studied. Mean age of patients whose onset of ARVC was congestive heart failure (CHF) (66.0 ± 4.0 years) was significantly higher than those whose onset was VT (44.5 ± 14.8 years, P < 0.05). ARVC patients with CHF onset showed significantly higher death rates compared to those with VT onset. ICD treatment significantly reduced episodes of hospitalization due to VT (0.1 ± 0.4 episodes) in comparison to treatment by RFCA (1.7 ± 2.2 episodes, P < 0.03). RFCA treatment did not reduce recurrence of VT in the follow-up period. ICD therapy showed comparable mortality to RFCA treatment. The prognosis of ARVC with CHF onset is poor. ICD therapy significantly reduced hospitalization due to VT compared with RFCA treatment. ICD implantation in combination with medication may be a better treatment for ARVC.
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Heart J.</addtitle><date>2010</date><risdate>2010</risdate><volume>51</volume><issue>1</issue><spage>34</spage><epage>40</epage><pages>34-40</pages><issn>1349-2365</issn><eissn>1349-3299</eissn><abstract>This study investigated the clinical course of arrhythmogenic right ventricular cardiomyopathy (ARVC) patients and in particular evaluated the contribution of radiofrequency catheter ablation (RFCA) and an implantable cardioverter-defibrillator (ICD) to the treatment of ARVC. ARVC is a myocardial disorder and a cause of sudden cardiac death due to ventricular tachycardia (VT). Little is known about its prognosis in Japanese ARVC patients. Thirty-five ARVC patients were studied. Mean age of patients whose onset of ARVC was congestive heart failure (CHF) (66.0 ± 4.0 years) was significantly higher than those whose onset was VT (44.5 ± 14.8 years, P &lt; 0.05). ARVC patients with CHF onset showed significantly higher death rates compared to those with VT onset. ICD treatment significantly reduced episodes of hospitalization due to VT (0.1 ± 0.4 episodes) in comparison to treatment by RFCA (1.7 ± 2.2 episodes, P &lt; 0.03). RFCA treatment did not reduce recurrence of VT in the follow-up period. ICD therapy showed comparable mortality to RFCA treatment. The prognosis of ARVC with CHF onset is poor. ICD therapy significantly reduced hospitalization due to VT compared with RFCA treatment. ICD implantation in combination with medication may be a better treatment for ARVC.</abstract><cop>Japan</cop><pub>International Heart Journal Association</pub><pmid>20145349</pmid><doi>10.1536/ihj.51.34</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record>
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subjects Adolescent
Adult
Aged
Anti-Arrhythmia Agents - therapeutic use
Arrhythmogenic right ventricular cardiomyopathy
Arrhythmogenic Right Ventricular Dysplasia - complications
Arrhythmogenic Right Ventricular Dysplasia - drug therapy
Arrhythmogenic Right Ventricular Dysplasia - surgery
Catheter Ablation
Defibrillators, Implantable
Female
Heart Failure - etiology
Humans
Implantable cardioverter-defibrillator
Male
Middle Aged
Retrospective Studies
Tachycardia, Ventricular - etiology
Tachycardia, Ventricular - therapy
Treatment Outcome
Ventricular tachycardia
Young Adult
title Clinical Course of Arrhythmogenic Right Ventricular Cardiomyopathy in the Era of Implantable Cardioverter-Defibrillators and Radiofrequency Catheter Ablation
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