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Giant cell myocarditis responding to immunosuppressive therapy.
A Frustaci1, C Chimenti, M Pieroni
1Departments of Cardiology, Catholic University, Rome, Italy.
Chest
|March 14, 2000
Summary
Giant cell myocarditis can be a treatable condition. This case study shows a patient with severe heart dysfunction rapidly recovered with steroids and azathioprine, indicating potential for immunosuppressive therapy.
Area of Science:
- Cardiology
- Immunology
- Pathology
Background:
- Giant cell myocarditis is a rare and often aggressive form of heart muscle inflammation.
- It frequently leads to severe heart failure and may necessitate heart transplantation.
Observation:
- A patient presented with cardiogenic shock due to giant cell myocarditis.
- Initial endomyocardial biopsy revealed significant inflammatory infiltrates, including giant cells.
Findings:
- The patient experienced a dramatic and rapid recovery following treatment with conventional doses of steroids and azathioprine.
- Follow-up biopsy showed complete resolution of inflammatory cells, and cardiac function normalized (ejection fraction improved from 10% to 55%).
Implications:
- This case suggests giant cell myocarditis may be a heterogeneous disease.
- Successful immunosuppressive therapy indicates a potentially curable subset of patients, challenging the notion of universally poor prognosis.