ICD therapy in RVOT-VT and early stage ARVD/C patients

Yoshiyasu Aizawa, Seiji Takatsuki, Keiichi Fukuda

研究成果: Article

抄録

Implantable cardioverter-defibrillators (ICDs) improve the survival of patients with ischemic or non-ischemic cardiomyopathy and a reduced ejection fraction. However, the efficacy of ICD therapy in patients with right ventricular outflow tract ventricular tachycardia (RVOT-VT) and early stage arrhythmogenic right ventricular dysplasia / cardiomyopathy (ARVD/C) has not been well clarified. Although the prognosis of RVOT-VT is generally good, malignant forms of RVOT-VT resulting in polymorphic VT have been reported by several investigators. Radiofrequency catheter ablation is still effective in such patients, and thus an ICD implantation is usually not required. On the other hand, according to the current guidelines in patients with ARVD/C, an ICD implantation is recommended for secondary prevention when the patients develop sustained VT or VF. An ICD implantation may also be considered for primary prevention in high-risk patients: extensive disease, family history of sudden cardiac death, or undiagnosed syncope. Since an ICD implantation in the early stage of ARVD/C is controversial, physicians should well consider its risks and benefits. Early intervention with ICD therapy in ARVD/C patients may reduce the arrhythmic death rate but increases the device related complications especially in younger patients.

元の言語English
ジャーナルJournal of Atrial Fibrillation
7
発行部数2
出版物ステータスPublished - 2014 8 1

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Arrhythmogenic Right Ventricular Dysplasia
Implantable Defibrillators
Ventricular Tachycardia
Therapeutics
Catheter Ablation
Sudden Cardiac Death
Syncope
Patient Rights
Primary Prevention
Secondary Prevention
Cardiomyopathies
Research Personnel
Guidelines
Physicians
Equipment and Supplies
Survival
Mortality

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

これを引用

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abstract = "Implantable cardioverter-defibrillators (ICDs) improve the survival of patients with ischemic or non-ischemic cardiomyopathy and a reduced ejection fraction. However, the efficacy of ICD therapy in patients with right ventricular outflow tract ventricular tachycardia (RVOT-VT) and early stage arrhythmogenic right ventricular dysplasia / cardiomyopathy (ARVD/C) has not been well clarified. Although the prognosis of RVOT-VT is generally good, malignant forms of RVOT-VT resulting in polymorphic VT have been reported by several investigators. Radiofrequency catheter ablation is still effective in such patients, and thus an ICD implantation is usually not required. On the other hand, according to the current guidelines in patients with ARVD/C, an ICD implantation is recommended for secondary prevention when the patients develop sustained VT or VF. An ICD implantation may also be considered for primary prevention in high-risk patients: extensive disease, family history of sudden cardiac death, or undiagnosed syncope. Since an ICD implantation in the early stage of ARVD/C is controversial, physicians should well consider its risks and benefits. Early intervention with ICD therapy in ARVD/C patients may reduce the arrhythmic death rate but increases the device related complications especially in younger patients.",
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AU - Aizawa, Yoshiyasu

AU - Takatsuki, Seiji

AU - Fukuda, Keiichi

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N2 - Implantable cardioverter-defibrillators (ICDs) improve the survival of patients with ischemic or non-ischemic cardiomyopathy and a reduced ejection fraction. However, the efficacy of ICD therapy in patients with right ventricular outflow tract ventricular tachycardia (RVOT-VT) and early stage arrhythmogenic right ventricular dysplasia / cardiomyopathy (ARVD/C) has not been well clarified. Although the prognosis of RVOT-VT is generally good, malignant forms of RVOT-VT resulting in polymorphic VT have been reported by several investigators. Radiofrequency catheter ablation is still effective in such patients, and thus an ICD implantation is usually not required. On the other hand, according to the current guidelines in patients with ARVD/C, an ICD implantation is recommended for secondary prevention when the patients develop sustained VT or VF. An ICD implantation may also be considered for primary prevention in high-risk patients: extensive disease, family history of sudden cardiac death, or undiagnosed syncope. Since an ICD implantation in the early stage of ARVD/C is controversial, physicians should well consider its risks and benefits. Early intervention with ICD therapy in ARVD/C patients may reduce the arrhythmic death rate but increases the device related complications especially in younger patients.

AB - Implantable cardioverter-defibrillators (ICDs) improve the survival of patients with ischemic or non-ischemic cardiomyopathy and a reduced ejection fraction. However, the efficacy of ICD therapy in patients with right ventricular outflow tract ventricular tachycardia (RVOT-VT) and early stage arrhythmogenic right ventricular dysplasia / cardiomyopathy (ARVD/C) has not been well clarified. Although the prognosis of RVOT-VT is generally good, malignant forms of RVOT-VT resulting in polymorphic VT have been reported by several investigators. Radiofrequency catheter ablation is still effective in such patients, and thus an ICD implantation is usually not required. On the other hand, according to the current guidelines in patients with ARVD/C, an ICD implantation is recommended for secondary prevention when the patients develop sustained VT or VF. An ICD implantation may also be considered for primary prevention in high-risk patients: extensive disease, family history of sudden cardiac death, or undiagnosed syncope. Since an ICD implantation in the early stage of ARVD/C is controversial, physicians should well consider its risks and benefits. Early intervention with ICD therapy in ARVD/C patients may reduce the arrhythmic death rate but increases the device related complications especially in younger patients.

KW - Arrhythmogenic Right Ventricular Cardiomyopathy

KW - Implantable Cardioverter-Defibrillator

KW - Ventricular Tachycardia

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