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Abstract
Cryptococcosis continues to have a high mortality rate in human immunodeficiency virus (HIV)-positive patients despite advances made in antifungal treatment, intracranial pressure management, and antiretroviral therapy. This retrospective chart review was conducted at the University of Maryland Medical Center and Baltimore VA Medical Center from 1993 to 2004. We reviewed all inpatient cases of cryptococcal infections to assess predictors of inpatient mortality among HIV-positive patients. Data collected included patient demographics, presenting symptoms and CD4 counts, lumbar puncture (LP) results including opening pressure (OP), cryptococcal antigen (CAg) levels, sites of infection, and drug therapy. Multivariate and survival analyses were performed. We identified 202 patients with primary cryptococcosis. The main sites of infection included blood (72%), central nervous system (85%), and lower respiratory tract (34%). Overall 30-day mortality was 14%. Predictors of mortality included syncope (P = 0.039; OR, 4.5), concomitant pneumonia (P = 0.001; OR, 3.5), respiratory failure (P < 0.001; OR, 10.5), and admission into the intensive care unit (P < 0.001; OR, 8). Amphotericin dose, OP ≥ 250 mm H2O, and number of LPs were not found to be predictive of mortality. Mortality attributable to cryptococcosis remains high. Our study findings suggest that syncope, respiratory failure, pneumonia, and admission to the intensive care unit are independently associated with an increased risk of death within 30 days after cryptococcosis diagnosis.