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Tuberculous pericarditis.
1Department of Internal Medicine, University of Cincinnati (Ohio) College of Medicine 45267.
JAMA
|July 3, 1991
Summary
Tuberculosis causes a significant portion of pericarditis, especially in nonindustrialized nations. Diagnosis involves identifying the bacteria, with treatment including multi-drug therapy and potentially surgery for severe cases.
Area of Science:
- Cardiology
- Infectious Diseases
- Pulmonology
Background:
- Tuberculosis (TB) is a notable cause of pericarditis, particularly in nonindustrialized regions.
- It accounts for a significant percentage of acute pericarditis, cardiac tamponade, and constrictive pericarditis cases.
Purpose of the Study:
- To outline the diagnostic criteria for tuberculous pericarditis.
- To detail current treatment strategies for this condition.
- To identify indications for surgical intervention.
Main Methods:
- Diagnosis relies on demonstrating Mycobacterium tuberculosis in pericardial fluid or tissue.
- Histologic examination of the pericardium aids in diagnosis.
- Identifying TB elsewhere in patients with unexplained pericarditis is crucial.
Main Results:
- Standard treatment involves a 9-month triple-drug regimen (isoniazid, rifampin, streptomycin/ethambutol).
- Shortened 6-month therapy is possible with pyrazinamide and culture conversion.
- Corticosteroids may benefit persistent or recurrent effusions.
Conclusions:
- Tuberculous pericarditis requires prompt diagnosis and prolonged antimicrobial therapy.
- Surgical pericardiectomy is necessary for recurrent tamponade or persistent venous pressure elevation.
- A substantial proportion of patients may still require surgery despite optimal drug treatment.