Aims: To determine the prevalence of cryptococcal infection among HIV hospitalized patients, to evaluate clinical characteristics and outcomes in Latvia. Study Design:  Cross-sectional study. Place and Duration of Study: Riga Eastern Clinical University Hospital, Latvian Center of Infectology, between January 2014 and February 2017. Methodology: We conducted the study reporting demographics, epidemiological (age, sex, clinical aspects, paraclinical results (cryptococcal antigen in cerebrospinal fluid, serum, urine, cryptococcal DNA, HIV RNA and lymphocyte T CD4+ count), treatment and outcome aspects. We analyze 69 patients (71% men, 29% women) with HIV infection and cryptococcosis. Results: 69 cases of cryptococcosis were confirmed for 699 HIV infected hospitalized patients tested, giving a prevalence of 9.9%. 38% (n=26/69) of patients were with clinical signs of infection with the central nervous system involvement, 19% (13/69) patients had pulmonary involvement. Other 43% (n=30/69) of patients had disseminated non-CNS disease (elevated serum cryptococcal Ag or DNA). Most patients had advanced HIV disease (Median lymphocyte T CD4+ count=48, 5 cells/uL, (1-1041), the average was 112, 9 cells/ uL (SD 184.98). 87% (n=59/68) of patients had lymphocyte T CD4+cell count < 200 cells/μL Only 25% (n=14) of the patients known to have HIV infection (n=56/69) were receiving antiretroviral therapy at the time of presentation. Overall mortality rate was 59% (n=41/69). Conclusion: Prevalence of cryptococcal antigenemia was 9.9%, indicating that the prevalence  of cryptococcal infection among HIV patients in Latvia may be high enough to consider targeted screening.HIV positive patients have high mortality (35%) following cryptococcal infection which persists beyond their initial hospitalization. Follow-up studies of late mortality would be beneficial.

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