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  • Title: Comparison of clinical features and survival between cryptococcosis in human immunodeficiency virus (HIV)-positive and HIV-negative patients.
    Author: Jongwutiwes U, Sungkanuparph S, Kiertiburanakul S.
    Journal: Jpn J Infect Dis; 2008 Mar; 61(2):111-5. PubMed ID: 18362398.
    Abstract:
    Cryptococcosis is a life-threatening fungal infection among human immunodeficiency virus (HIV)-positive patients and also occurs frequently in HIV-negative patients. A retrospective cohort study was conducted among patients with cryptococcosis. Clinical manifestations, laboratory findings, treatment, and outcomes for 149 HIV-positive and 29 HIV-negative patients were compared. Neurological involvement occurred more frequently in HIV-positive patients (91.9 versus 20.7%, P<0.001), whereas pulmonary involvement was more frequently observed in HIV-negative patients (34.5 versus 2.7%, P<0.001). Ninety percent of HIV-positive patients and 74% of HIV-negative patients had positive serum cryptococcal antigen (P=0.119). HIV-positive patients were more likely to have a cerebrospinal fluid (CSF) preparation that is positive for India ink staining (81 versus 50%, P<0.001) and a CSF cryptococcal antigen titer of > or =1:1,024 (61.1 versus 16.7%, P=0.038). Most of the patients in both groups received amphotericin B as the primary therapy. Cryptococcosis-related mortality was high and did not differ between the two groups (22.2 versus 34.5%, P=0.162). Kaplan-Meier analysis revealed that HIV-positive patients had a higher relapse rate (P=0.011), especially among those lacking antiretroviral therapy. In conclusion, clinical presentation of cryptococcosis among HIV-negative patients varies and differs from that of HIV-positive patients. Awareness and prompt management are crucial for establishing a diagnosis and initiating proper treatment.
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