Pulmonary,Mediastinal, and Cardiac Presentations of Histoplasmosis |
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Authors: | Richard L Prager D Patrick Burney George Waterhouse Harvey W Bender |
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Institution: | From the Section of Surgical Sciences, Department of Cardiac and Thoracic Surgery, Vanderbilt University Medical Center, Nashville, TN |
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Abstract: | Sixty-one patients with histoplasmosis were identified. They ranged from 14 months to 67 years old. There were 56 male and 5 female patients. Disease presentations were categorized into pulmonary (47), mediastinal (11), pericardial (2), and cardiac (1). Twenty of the patients with pulmonary involvement had histoplasmomas treated by wedge resection (18) or lobectomy (2). Twenty-two of the 27 cavitary lesions were treated by lobectomy and 4 by segmental resection, and 1 required pneumonectomy. The patients with mediastinal granulomas or fibrosis underwent exploration for diagnosis and curative or palliative procedures. Two patients with pericardial histoplasmosis required pericardial windows to relieve acute tamponade. One patient with disseminated histoplasmosis required aortic valve replacement for histoplasmosis valvulitis with severe regurgitation. The 1 operative death was a patient requiring pneumonectomy for mediastinal histoplasmosis.Indications for operative intervention in pulmonary histoplasmosis included resection of a new or enlarging pulmonary nodule to provide a definite pathological diagnosis and resection of persistent thick-walled pulmonary cavities. Mediastinal granuloma with or without fibrosis required exploration for diagnosis, palliation, or cure. Fungal endocarditis necessitated treatment with amphotericin B and valve replacement to stabilize the patient's hemodynamic status and prevent embolization of large fungal vegetations. Pericardial effusion, a rare manifestation of histoplasmosis, was seen as acute tamponade requiring emergency intervention. |
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Keywords: | Address reprint requests to Dr Prager Department of Cardiac and Thoracic Surgery Vanderbilt University Medical Center Nashville TN 37232 |
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