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  • Title: Endemic fungal infections caused by Cryptococcus neoformans and Penicillium marneffei in patients infected with human immunodeficiency virus and treated with highly active anti-retroviral therapy.
    Author: Sun HY, Chen MY, Hsiao CF, Hsieh SM, Hung CC, Chang SC.
    Journal: Clin Microbiol Infect; 2006 Apr; 12(4):381-8. PubMed ID: 16524416.
    Abstract:
    This study compared the clinical presentations of 58 episodes of cryptococcosis in 50 patients and 26 episodes of penicillosis in 25 patients infected with human immunodeficiency virus (HIV) between June 1994 and June 2004, and assessed the safety of discontinuation of secondary prophylaxis for endemic fungal infections in those patients responding to highly active anti-retroviral therapy (HAART). Neurological symptoms were seen more commonly in patients with cryptococcosis, whereas respiratory symptoms, lymphadenopathy, hepatomegaly and/or splenomegaly, and non-thrush-related oral presentations were seen more commonly in patients with penicillosis. Patients with penicillosis were more likely to have abnormal chest radiography results and radiographic presentations of interstitial lesions, cavitations, fibrotic lesions and mass lesions. At the end of the study, maintenance antifungal therapy had been discontinued in 27 patients with cryptococcosis and in 18 patients with penicillosis in whom the median CD4 count had increased to 186 cells/microL (range, 9-523 cells/microL) and 95 cells/microL (range, 15-359 cells/microL), respectively, after HAART. Only one episode of penicillosis recurred (a relapse rate of 1.72/100 person-years; 95% CI, 1.44-2.10/100 person-years) after a median follow-up duration of 35.3 months (range, 2.6-91.6 months). No relapses occurred in patients with cryptococcosis after a median follow-up duration of 22.3 months (range, 1-83.4 months). These findings suggest that there are differences in the clinical presentations between endemic cryptococcosis and penicillosis in patients with HIV infection, and that it is safe to discontinue secondary antifungal prophylaxis for cryptococcosis and penicillosis in patients responding to HAART.
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