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[Left ventricular dysfunction in Churg-Strauss syndrome].

M Heger1, J Bergler-Klein, M Zehetgruber

  • 1Universitätsklinik für Innere Medizin II, Abteilung für Kardiologie, Wien, Austria. maria.heger@univie.ac.at

Zeitschrift Fur Kardiologie
|October 29, 2003
PubMed
Summary

Churg-Strauss syndrome, a rare condition causing hypereosinophilia and vasculitis in asthma patients, can lead to severe cardiomyopathy. Early diagnosis and treatment with corticosteroids and cyclophosphamide significantly improve patient outcomes.

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Area of Science:

  • Cardiology
  • Rheumatology
  • Pulmonology

Background:

  • Churg-Strauss syndrome (CSS), also known as eosinophilic granulomatosis with polyangiitis, is a rare systemic vasculitis associated with asthma and allergic rhinitis.
  • Cardiac manifestations in CSS are diverse, including pericarditis, myocarditis, endocarditis, and ischemic cardiomyopathy, with endomyocardial fibrosis being a rare finding.

Observation:

  • A 43-year-old male with asthma and allergies presented with dyspnea, fever, pulmonary infiltrates, and cardiomyopathy.
  • Laboratory results revealed marked hypereosinophilia. Bronchoscopic lavage and biopsy confirmed eosinophilic infiltrates and vasculitis, leading to a diagnosis of CSS.
  • Echocardiography demonstrated endomyocardial deposits, impaired left ventricular function, and a restrictive filling pattern, alongside a pericardial effusion.

Findings:

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  • The case highlights endomyocardial fibrosis as a rare cardiac manifestation of Churg-Strauss syndrome.
  • The patient exhibited typical features of CSS, including hypereosinophilia, pulmonary involvement, and cardiac dysfunction.
  • Diagnostic modalities like echocardiography were crucial in identifying cardiac involvement and guiding therapy.

Implications:

  • This case underscores the importance of recognizing cardiac involvement in Churg-Strauss syndrome for timely and effective management.
  • Prompt treatment with corticosteroids and cyclophosphamide led to significant clinical improvement, demonstrating the efficacy of immunosuppressive therapy.
  • Further research into the specific mechanisms of cardiac damage in CSS may lead to targeted therapeutic strategies.