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Genetic Mutation in Korean Patients of Sudden Cardiac Arrest as a Surrogating Marker of Idiopathic Ventricular Arrhythmia
Journal of Korean Medical Science ; : 1021-1026, 2013.
Artículo en Inglés | WPRIM | ID: wpr-196071
ABSTRACT
Mutation or common intronic variants in cardiac ion channel genes have been suggested to be associated with sudden cardiac death caused by idiopathic ventricular tachyarrhythmia. This study aimed to find mutations in cardiac ion channel genes of Korean sudden cardiac arrest patients with structurally normal heart and to verify association between common genetic variation in cardiac ion channel and sudden cardiac arrest by idiopathic ventricular tachyarrhythmia in Koreans. Study participants were Korean survivors of sudden cardiac arrest caused by idiopathic ventricular tachycardia or fibrillation. All coding exons of the SCN5A, KCNQ1, and KCNH2 genes were analyzed by Sanger sequencing. Fifteen survivors of sudden cardiac arrest were included. Three male patients had mutations in SCN5A gene and none in KCNQ1 and KCNH2 genes. Intronic variant (rs2283222) in KCNQ1 gene showed significant association with sudden cardiac arrest (OR 4.05). Four male sudden cardiac arrest survivors had intronic variant (rs11720524) in SCN5A gene. None of female survivors of sudden cardiac arrest had SCN5A gene mutations despite similar frequencies of intronic variants between males and females in 55 normal controls. Common intronic variant in KCNQ1 gene is associated with sudden cardiac arrest caused by idiopathic ventricular tachyarrhythmia in Koreans.
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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Arritmias Cardíacas / Variación Genética / Fibrilación Ventricular / Marcadores Genéticos / Muerte Súbita Cardíaca / Taquicardia Ventricular / Predisposición Genética a la Enfermedad / Canal de Potasio KCNQ1 / Canales de Potasio Éter-A-Go-Go / República de Corea Límite: Adolescente / Adulto / Anciano / Femenino / Humanos / Masculino País/Región como asunto: Asia Idioma: Inglés Revista: Journal of Korean Medical Science Año: 2013 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Arritmias Cardíacas / Variación Genética / Fibrilación Ventricular / Marcadores Genéticos / Muerte Súbita Cardíaca / Taquicardia Ventricular / Predisposición Genética a la Enfermedad / Canal de Potasio KCNQ1 / Canales de Potasio Éter-A-Go-Go / República de Corea Límite: Adolescente / Adulto / Anciano / Femenino / Humanos / Masculino País/Región como asunto: Asia Idioma: Inglés Revista: Journal of Korean Medical Science Año: 2013 Tipo del documento: Artículo