Circadian pattern of ventricular tachycardia episodes in patients with chagas heart disease



Document title: Circadian pattern of ventricular tachycardia episodes in patients with chagas heart disease
Journal: Arquivos brasileiros de cardiologia
Database: PERIÓDICA
System number: 000289147
ISSN: 0066-782X
Authors: 1
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Institutions: 1Hospital General de Agudos "Dr. Cosme Argerich", División de Cardiología, Buenos Aires. Argentina
Year:
Season: Feb
Volumen: 88
Number: 2
Pages: 240-242
Country: Brasil
Language: Portugués, inglés
Document type: Estadística o encuesta
Approach: Descriptivo
English abstract Chronic Chagas' cardiomyopathy (CCM) causes ventricular arrhythmias and sudden death, and constitutes the most frequent cause of death in many endemic areas1,2. The circadian variation in the incidence of ventricular arrhythmias and sudden death differs according to the substrate (e.g., morning and evening peaks in ischemic heart disease and non-Chagasic dilated cardiomyopathy). Third generation implantable cardioverter defibrillators (ICDs) have the ability to store the time and date of each ventricular tachycardia (VT) episode, enabling the patterns of ventricular tachyarrhythmia occurrence to be analyzed. The aim of our study was to evaluate the circadian variation of spontaneous VT in recipients of an ICD with CCM
Portuguese abstract Cardiomiopatia chagásica crônica (CCC) causa arritmias ventriculares e morte súbita, sendo a mais freqüente causa de óbito em muitas áreas endêmicas1,2. A variação circadiana na incidência de arritmias ventriculares e morte súbita difere de acordo com o substrato (p. ex: picos matinais e noturnos na cardiopatia isquêmica e na cardiomiopatia dilatada não-chagásica). Cardioversores-desfibriladores implantáveis de terceira geração (CDI) conseguem registrar o dia e a hora de cada episódio de taquicardia ventricular (TV), permitindo uma análise dos padrões de ocorrência de taquiarritmias. O objetivo deste estudo foi avaliar a variação circadiana da TV espontânea em portadores de CCC tratados com CDI
Disciplines: Medicina
Keyword: Neurología,
Sistema cardiovascular,
Taquicardia ventricular,
Miocardiopatía,
Enfermedad de Chagas,
Variación circadiana
Keyword: Medicine,
Cardiovascular system,
Neurology,
Ventricular tachycardia,
Cardiomyopathies,
Chagas disease,
Circadian variation
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