Inflammatory cardiomyopathy of possibly overlapping aetiology: a case posing treatment dilemma and potential

Shun Nakagama1, Katherine Candray2,3, Tasuku Yamamoto1

  • 1Department of Cardiovascular Medicine, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan.

ESC Heart Failure
|December 29, 2021
PubMed

Insights

A patient with Chagas disease and sarcoidosis presented with atrioventricular block. The study explores the rare coexistence of these conditions and their potential impact on cardiac manifestations.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Pulmonology

Background:

  • A 52-year-old Brazilian immigrant with a history of chronic kidney disease and uveitis presented with symptomatic atrioventricular block.
  • Her endemic origin for Trypanosoma cruzi infection prompted suspicion for Chagas disease, confirmed serologically.

Observation:

  • Further investigation revealed a pulmonary nodular lesion, biopsied as a sarcoid epithelioid granuloma.
  • Renal and ocular involvement suggested systemic sarcoidosis extension.
  • Cardiac imaging did not reveal myocardial inflammation.

Findings:

  • The case presents a rare instance of coexisting Chagas disease and sarcoidosis.
  • Histologically proven sarcoidosis raises the possibility of cardiac involvement from both conditions.
  • The patient experienced symptomatic atrioventricular block.

Implications:

  • This case highlights a diagnostic and treatment challenge in a globalized world.
  • It raises intriguing questions about the potential association between Chagas disease and cardiac sarcoidosis.
  • Further research is warranted to understand the interplay between these two distinct pathologies.

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