2016
DOI: 10.17987/icfj.v7i0.302
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Sudden Cardiac Death in Chagas Disease

Abstract: <p>Chagas’ disease remains a major epidemiologic problem in endemic countries. The most dramatic course of the disease is represented by sudden cardiac death. Some of these deaths could be preventable, if efforts are directed towards identifying high-risk patients. Implantable cardioverter-defibrillators are an effective treatment for the prevention of sudden cardiac arrhythmic death, however; its costs are the major limitation for their widespread use in the endemic region.</p><p>This review… Show more

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Cited by 7 publications
(7 citation statements)
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References 45 publications
(57 reference statements)
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“…7 Chronically infected individuals with an unaltered electrocardiogram (ECG) are considered in the indeterminate phase of CD (stage A) while disease progression leads to ECG abnormalities (stage B), including arrhythmias or conduction disorders (B1) and decreased left ventricular (LV) ejection fraction (B2), and also signs of heart failure (stage C and D). 7 Sudden cardiac death due to CD cardiomyopathy reaches annual mortality rates between 0.2 and 19.2%, 8 highlighting the urgency of managing this silent disease in public policies.…”
Section: Introductionmentioning
confidence: 99%
“…7 Chronically infected individuals with an unaltered electrocardiogram (ECG) are considered in the indeterminate phase of CD (stage A) while disease progression leads to ECG abnormalities (stage B), including arrhythmias or conduction disorders (B1) and decreased left ventricular (LV) ejection fraction (B2), and also signs of heart failure (stage C and D). 7 Sudden cardiac death due to CD cardiomyopathy reaches annual mortality rates between 0.2 and 19.2%, 8 highlighting the urgency of managing this silent disease in public policies.…”
Section: Introductionmentioning
confidence: 99%
“…En la CCh, la inflamación producida por la agresión parasitaria al miocardio genera fibrosis y alteración de la propagación eléctrica intercelular, presentando en la etapa crónica disautonomía, denervación y marcada reinervación simpática. Esta disfunción autonómica estaría implicada en la aparición de complejos ventriculares prematuros frecuentes y formación de circuitos reentrantes que, junto con la presencia de aneurismas apicales del ventrículo izquierdo, frecuentes en los pacientes con CCh, constituyen un sustrato altamente favorable para la génesis de arritmias ventriculares graves 5 . En los pacientes con CCh, las taquiarritmias ventriculares tienen longitudes de ciclos más prolongadas que en los pacientes con CI, por lo cual presentan mejor tolerancia a dichas arritmias 18 .…”
Section: Discussionunclassified
“…Durante décadas fue una enfermedad desatendida circunscrita a zonas rurales de Latinoamérica 2 ; sin embargo, en los últimos años, los movimientos migratorios y la transmisión no vectorial han hecho que sea diagnosticada en zonas no endémicas, lo que preocupa cada vez más a la comunidad internacional 3,4 . Se estima que del 20% al 30% de las personas con serología positiva desarrollarán compromiso miocárdico 1 , siendo la muerte súbita la principal causa de decesos en esta población 5 . La evidencia para el uso de un desfibrilador automático implantable (DAI) tanto en prevención secundaria como en prevención primaria de la muerte súbita es amplia.…”
Section: Introductionunclassified
“…10 They describe how sudden death is a dramatic and not uncommon presentation of the disease and how some of these deaths could be preventable, with accurate identification of highrisk patients. ICD's because of cost, remain limited in the resource poor countries of the endemic region.…”
Section: Highlightsmentioning
confidence: 99%