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Published on: November 5, 2021
Chagas disease and stroke.
Francisco Javier Carod-Artal1, Joaquim Gascon
1Neurology Department, Virgen de la Luz Hospital, Cuenca, Spain. fjcarod-artal@hotmail.com
The Lancet. Neurology
|April 20, 2010
Summary
Chagas disease, caused by Trypanosoma cruzi infection, is increasingly linked to ischaemic stroke. Screening stroke patients from endemic areas for T. cruzi is crucial for early diagnosis and prevention.
Area of Science:
- Neurology
- Infectious Diseases
- Cardiology
Background:
- Chagas disease is a neglected tropical infection with emerging global health concerns.
- Epidemiological studies increasingly link Trypanosoma cruzi infection to ischaemic stroke.
- An aging T. cruzi-infected population in Latin America anticipates a rise in stroke prevalence.
Purpose of the Study:
- To highlight the association between Chagas disease and ischaemic stroke.
- To emphasize the importance of screening for T. cruzi in stroke patients from endemic regions.
- To discuss stroke characteristics and secondary prevention in Chagas disease.
Main Methods:
- Review of epidemiological studies and clinical data on Chagas disease and stroke.
- Analysis of stroke syndromes and risk factors in patients with T. cruzi infection.
- Evaluation of current secondary prevention strategies for cardioembolic stroke in Chagas disease.
Main Results:
- Stroke can be the initial manifestation of Chagas disease, even in asymptomatic individuals.
- Common cardiac complications like heart failure and arrhythmias contribute to stroke risk.
- Partial anterior circulation infarction is the most frequent stroke type in Chagas disease patients.
- Stroke recurrence is estimated at 20%, necessitating secondary prevention.
Conclusions:
- Screening for Trypanosoma cruzi infection is recommended for stroke patients from endemic areas.
- Chronic anticoagulation is a key secondary prevention measure for cardioembolic chagasic stroke.
- Further research is needed to understand the impact of Chagasic stroke on vascular dementia.
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