RELATED FACTORS FOR COLONIZATION BY Candida SPECIES IN THE ORAL CAVITY OF HIV-INFECTED INDIVIDUALS

Revista do Instituto de Medicina Tropical de São Paulo

Ralciane De Paula Menezes¹  Aércio Sebastião Borges¹  Lúcio Borges De Araujo¹  Reginaldo Dos Santos Pedroso¹  Denise Von Dolinger De Brito RÖder¹ 

关键词: Candida;    HIV;    Candidiasis;    Oral;    Colonization;   

DOI  :  10.1590/S0036-46652015000500008

来源: SciELO

【 摘 要 】

The colonization of the oral cavity is a prerequisite to the development of oropharyngeal candidiasis.Aims: The aims of this study were: to evaluate colonization and quantify Candida spp. in the oral cavity; to determine the predisposing factors for colonization; and to correlate the levels of CD4+ cells and viral load with the yeast count of colony forming units per milliliter (CFU/mL) in HIV-positive individuals treated at a University Hospital. Saliva samples were collected from 147 HIV patients and were plated on Sabouraud Dextrose Agar (SDA) and chromogenic agar, and incubated at 30 ºC for 72 h. Colonies with similar morphology in both media were counted and the result expressed in CFU/mL.Results: Of the 147 HIV patients, 89 had positive cultures for Candida spp., with a total of 111 isolates, of which C. albicans was the most frequent species (67.6%), and the mean of colonies counted was 8.8 × 10³ CFU/mL. The main predisposing factors for oral colonization by Candida spp. were the use of antibiotics and oral prostheses. The use of reverse transcriptase inhibitors appears to have a greater protective effect for colonization. A low CD4+ T lymphocyte count is associated with a higher density of yeast in the saliva of HIV patients.

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