Mycobacterial and nonbacterial pulmonary complications in hospitalized patients with human immunodeficiency virus infection: A prospective, cohort study

Background A prospective observational study was done to describe nonbacterial pulmonary complications in hospitalized patients with human immunodeficiency virus (HIV) infection. Methods The study included 1,225 consecutive hospital admissions of 599 HIV-infected patients treated from April 1995 through March 1998. Data included demographics, risk factors for HIV infection, Acute Physiology and Chronic Health Evaluation (APACHE) II score, pulmonary complications, CD4+ lymphocyte count, hospital stay and case-fatality rate. Results Patient age (mean ± SD) was 38.2 ± 8.9 years, 62% were men, and 84% were African American. The median APACHE II score was 14, and median CD4+ lymphocyte count was 60/μL. Pulmonary complications were Pneumocystis carinii pneumonia (85) in 78 patients, Mycobacterium avium complex (51) in 38, Mycobacterium tuberculosis (40) in 35, Mycobacterium gordonae (11) in 11, Mycobacterium kansasii (10) in 9, Cytomegalovirus (10) in 10, Nocardia asteroides (3) in 3, fungus ball (2) in 2, respiratory syncytial virus (1), herpes simplex virus (1), Histoplasma capsulatum (1), lymphoma (3) in 3, bronchogenic carcinoma (2) in 2, and Kaposi sarcoma (1). The case-fatality rate of patients was 11% with Pneumocystis carinii pneumonia; 5%, Mycobacterium tuberculosis; 6%, Mycobacterium avium complex; and 7%, noninfectious pulmonary complications. Conclusion Most pulmonary complications in hospitalized patients with HIV are from Pneumocystis and mycobacterial infection.

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