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[Cardiac complications of American trypanosomiasis (Chagas disease). Various case reports and general observations]
M Liechti1, H R Baur, H P Gurtner
1Medizinische Universitätsklinik, Inselspital Bern.
Insights
Chagas' disease (American trypanosomiasis) can cause myocardial infarction in young women due to embolisms. This parasitic infection leads to serious cardiac issues, including sudden death, particularly in Latin America.
Area of Science:
- Infectious Diseases
- Cardiology
- Parasitology
Background:
- Chagas' disease, caused by *Trypanosoma cruzi*, is a significant public health concern in Latin America.
- Cardiac complications, including cardiomyopathy and sudden death, are well-documented late-stage manifestations.
- The disease affects an estimated 10-12 million people across endemic regions.
Observation:
- Reports three young female patients with Chagas' disease presenting with cardiac issues.
- One patient experienced acute anterior myocardial infarction despite minimal coronary artery lesions.
- Positive serologic tests and characteristic histologic lesions confirmed Chagas' disease in all cases.
Findings:
- Myocardial infarction in young individuals with Chagas' disease may be linked to embolic events.
- Embolic obstruction of coronary arteries is a plausible mechanism for myocardial infarction in this population.
- Chagas' cardiomyopathy is a leading cause of sudden death and is frequently associated with arterial embolism.
Implications:
- Highlights the potential for early cardiac events like myocardial infarction in young Chagas' disease patients.
- Underscores the importance of considering Chagas' disease in the differential diagnosis of unexplained myocardial infarction, especially in endemic areas.
- Emphasizes the need for further research into the pathogenesis and management of cardiovascular complications in Chagas' disease.
Abstract:
Three young female patients with heart problems and positive serologic tests or characteristic histologic lesions for Chagas' disease (American trypanosomiasis) are reported, one of them having presented with acute anterior myocardial infarction with only minor coronary lesions. The most prominent features of the disease are discussed with emphasis on late cardiac complications. Chagas' cardiomyopathy is the leading cause of sudden death in Latin America, where an estimated 10 to 12 million people are infected in endemic areas from southern Mexico to southern Argentina. It has also been termed "emboligenic cardiomyopathy" since arterial embolism is a very frequent complication. Embolic obstruction of a coronary artery may therefore well be the most probable cause of myocardial infarction in young people with Chagas' disease, although other mechanisms cannot be excluded.