Hepatitis C virus infection in a patient with dermatomyositis and left ventricular dysfunction

K Nakamura1, A Matsumori, K F Kusano

  • 1Department of Cardiovascular Medicine, Okayama University Medical School, Japan. ichibun@cc.okayama-u.ac.jp

Insights

Hepatitis C virus (HCV) infection can trigger autoimmune diseases like dermatomyositis. This case highlights HCV contributing to heart failure in a dermatomyositis patient, detected via endomyocardial biopsy.

Area of Science:

  • Cardiology
  • Virology
  • Immunology

Background:

  • Hepatitis C virus (HCV) infection is a known risk factor for various autoimmune conditions.
  • Dermatomyositis is an idiopathic inflammatory myopathy often associated with systemic manifestations.

Observation:

  • A patient presented with heart failure symptoms indicative of left ventricular dysfunction.
  • Dermatomyositis was diagnosed as the underlying condition.
  • Hepatitis C virus (HCV) was detected in an endomyocardial biopsy sample.

Findings:

  • The presence of HCV in cardiac tissue suggests a potential role in the observed cardiac pathology.
  • HCV infection may be implicated in the development or exacerbation of left ventricular dysfunction in this dermatomyositis patient.

Implications:

  • This case underscores the importance of screening for HCV in autoimmune diseases presenting with cardiac involvement.
  • Further research is warranted to elucidate the mechanisms by which HCV contributes to cardiac dysfunction in autoimmune settings.
  • Considering HCV as a potential trigger for cardiac complications in dermatomyositis could lead to improved diagnostic and therapeutic strategies.

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