Chronic chagasic cardiopathy in Amazon region: an etiology to remember

João Marcos Bemfica Barbosa Ferreira1, Jorge Augusto de Oliveira Guerra, Belisa Maria Lopes Magalhães

  • 1Hospital Universitário Francisca Mendes, Manaus, AM, Brasil.

Insights

This study found chronic chagasic cardiopathy (CCC) in 8.1% of Amazonian patients with unexplained heart dysfunction. Early diagnosis is crucial for managing this Chagas disease complication.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Public Health

Background:

  • Chagas disease, caused by Trypanosoma cruzi, is endemic in Latin America.
  • Chronic Chagasic Cardiopathy (CCC) is a significant manifestation of Chagas disease.
  • Left ventricular systolic dysfunction of undefined etiology is a clinical challenge in endemic areas.

Purpose of the Study:

  • To determine the frequency of chronic chagasic cardiopathy (CCC) in autochthonous Amazonian patients presenting with left ventricular systolic dysfunction of unknown cause.
  • To investigate the prevalence of Chagas disease as an underlying etiology for heart failure in this specific population.

Main Methods:

  • Retrospective analysis of 37 autochthonous patients from the Amazon region.
  • Assessment of patients with left ventricular systolic dysfunction of undefined etiology.
  • Diagnosis of chronic chagasic cardiopathy (CCC) based on established clinical and diagnostic criteria.

Main Results:

  • Three cases of chronic chagasic cardiopathy (CCC) were diagnosed.
  • The frequency of CCC in the studied sample was 8.1%.
  • This indicates a notable prevalence of Chagas disease among patients with unexplained heart dysfunction in the Amazon.

Conclusions:

  • Chronic chagasic cardiopathy (CCC) is a relevant, yet potentially overlooked, cause of heart failure in the Amazon region.
  • The findings highlight the importance of considering Chagas disease in the differential diagnosis of patients with unexplained left ventricular systolic dysfunction in this area.
  • Further research is warranted to understand the full epidemiological impact of Chagas disease in the Amazon basin.

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