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Updated: Aug 9, 2026

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
Published on: August 18, 2015
[Chagas' disease and ischemic stroke]
1Servicio de Neurologia, Hospital Sarah, Brasilia DF, Brazil. FJCarod@aol.com
Insights
Chagas
Area of Science:
- Cardiology
- Infectious Diseases
- Neurology
Context:
- Chagas' disease (CD) is a significant public health concern in South America.
- Chronic cardiomyopathy is the most prevalent clinical manifestation of CD, affecting approximately 30% of patients.
- Chagasic cardiomyopathy presents with heart failure, arrhythmias, and thromboembolic events, typically 10-40 years post-infection.
Purpose:
- To review the relationship between Chagasic cardiomyopathy and ischemic stroke.
- To identify key predictors of ischemic stroke in patients with Chagas' disease.
- To emphasize the importance of considering Chagasic cardiomyopathy in stroke differential diagnoses.
Summary:
- Significant predictors for ischemic stroke in Chagasic patients include apical aneurysm (37% prevalence), cardiac insufficiency, and cardiac arrhythmia.
- In at least 40% of cases, Chagas' disease diagnosis is established only after a stroke event.
- Chagasic cardiomyopathy is a potential source of cardioembolic stroke and should be considered in stroke etiology evaluations.
Impact:
- Highlights the critical link between Chagas' disease and stroke, particularly cardioembolic events.
- Informs clinicians to include Chagasic cardiomyopathy in the differential diagnosis for stroke patients, especially in endemic regions.
- Underscores the need for early recognition and management of Chagas' disease to prevent stroke complications.
Abstract:
American trypanosomiasis, known as Chagas' disease (CD) is a major Public Health problem in South America. Chronic cardiomyopathy is the most common clinical form of CD. Chagasic cardiomyopathy affects about 30 % of CD patients, and its manifestations begin on average 10-40 years after the initial infection. Chagas' cardiomyopathy is characterized by congestive heart failure, sudden cardiac death, intraventricular conduction defects, arrhythmias and thromboembolism. The relationship between Chagas' cardiomyopathy and ischemic stroke was reviewed. Significant variables that predict ischemic stroke in chagasic patients have been identified: apical aneurysm, cardiac insufficiency and cardiac arrhythmia. Prevalence of apical aneurysm in CD stroke patients has been estimated in 37%. The diagnosis of CD may be established after stroke presentation in at least 40% of patients. Chagasic cardiomyopathy should be included in the differential diagnosis of the etiology of stroke, being a potential source of cardioembolic stroke.
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