The Characteristic of Premature Ventricular Complex from Right Ventricular Outflow Tract Inducing Idiopathic Ventricular Fibrillation and Ventricular Tachycardia
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概要
- 論文の詳細を見る
<B>Background:</B> Although idiopathic ventricular tachycardia (VT) and premature ventricular complex (PVC) originating from the ventricular outflow tract (RVOT) are considered benign, sometimes ventricular fibrillation (VF) and polymorphic ventricular tachycardia (PVT) are initiating by PVC from the RVOT, resulting in sudden cardiac death. <B>Objectives:</B> The aim of this study was to assess the characteristics of initiated PVC from the RVOT about surface ECG in the patients who ware documented VT and/or PVT. <B>Method:</B> For 15 patients in whom radiofrequency catheter ablation (RFCA) was performed for idiopathic ventricular tachyarrthymia arising from the RVOT, we examined the surface ECG of PVC from the RVOT and the clinical characteristics of patients. <B>Results:</B> Among 15 patients, the episodes of VF were documented in 2 patients, VT and cardiac shock in 1 patient, 1 patient had prior episodes of syncope. These 4 patients were called "VF group" . All patients of VF group showed V1 positive QRS in 12-lead ECG of PVC from the RVOT, but only 2 patients of another patients showed V1 positive QRS. <B>Conclusion:</B> Our findings may predict the causing VF and/or PVT resulting in cardiac sudden death. To examine whether it is correct or not, we need more patients and electrophysiological investigations.
著者
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Miki Ken
Department Of Cardiology Okazaki City Hospital
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Hirai Toshihisa
Department Of Cardiology Nagoya University Graduate School Of Medicine
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Tanaka Toshikazu
Department Of Anatomy Faculty Of Medicine Kyoto University
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Kanemura Noriyoshi
Department Of Cardiology Nagoya Daini Red Cross Hospital
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Kawase Haruya
Department Of Cardiology Okazaki City Hospital
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Yasuda Nobuyuki
Department Of Cardiology Okazaki City Hospital
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MINAMI Kentaro
Department of Preventive Dentistry, Iwate Medical University School of Dentistry
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Suzuki Noriyuki
Department Of Applied Chemistry Faculty Of Engineering Kanagawa Institute Of Technology
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Kanemura Noriyoshi
Department of Cardiology, Okazaki Municipal Hospital
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Saka Yuuki
Department of Cardiology, Okazaki Municipal Hospital
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Ikai Yoshihiro
Department of Cardiology, Okazaki Municipal Hospital
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Negishi Yosuke
Department of Cardiology, Okazaki Municipal Hospital
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Minami Kentaro
Department of Cardiology, Okazaki Municipal Hospital
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Miki Ken
Department of Cardiology, Okazaki Municipal Hospital
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Suzuki Noriyuki
Department of Cardiology, Okazaki Municipal Hospital
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