Cryptosporidium SP in HIV-infected individuals attending a Brazilian university hospital
Langoni, G. [UNESP]
Souza, Lenice do Rosario de [UNESP]
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The aim of the current work was to evaluate the occurrence of Cryptosporidium sp in AIDS patients in a region of São Paulo State, Brazil. Patients were divided into groups according to CD4+ T lymphocyte count and use of potent antiretroviral treatment. Two hundred and ten fecal samples from 105 patients were fixed in 10% formalin and subjected to centrifuge formol-ether sedimentation. Slides were stained with auramine and confirmed by modified Ziehl-Neelsen. Cryptosporidiosis occurrence was 10.5% with no relationship among gender, age or the presence of diarrhea. The number of oocysts in all samples was small, independent of CD4+ T lymphocyte count, HIV plasma viral load, and presence of diarrhea. These results may be due to the reduced prevalence of opportunistic infections in AIDS individuals after the advent of highly active antiretroviral therapy.
CD4-positive T-lymphocytes, Cryptosporidium, Diarrhea, HAART, HIV, Viral load, Human immunodeficiency virus
Journal of Venomous Animals and Toxins Including Tropical Diseases, v. 13, n. 4, p. 737-747, 2007.