Staphylococcus spp., Enterobacteriaceae and Pseudomonadaceae oral isolates from Brazilian HIV-positive patients. Correlation with CD4 cell counts and viral load

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dc.contributor.authorBack Brito, Graziella Nuernberg [UNESP]
dc.contributor.authorRibeiro El Ackhar, Vivian Narana [UNESP]
dc.contributor.authorRodrigues Querido, Silvia Maria [UNESP]
dc.contributor.authorFerreira dos Santos, Silvana Sole
dc.contributor.authorCardoso Jorge, Antonio Olavo [UNESP]
dc.contributor.authorde Macedo Reis, Alexandre de Souza
dc.contributor.authorKoga-Ito, Cristiane Yumi [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniv Taubate
dc.date.accessioned2014-05-20T14:04:47Z
dc.date.available2014-05-20T14:04:47Z
dc.date.issued2011-10-01
dc.description.abstractThe aim was to evaluate the presence of Staphylococcus spp., Enterobacteriaceae and Pseudomonadaceae in the oral cavities of HIV-positive patients. Forty-five individuals diagnosed as HIV-positive by ELISA and Western-blot, and under anti-retroviral therapy for at least 1 year, were included in the study. The control group constituted 45 systemically healthy individuals matched to the HIV patients to gender, age and oral conditions. Oral rinses were collected and isolates were identified by API system. Counts of microorganisms from HIV and control groups were compared statistically by a Mann-Whitney test (alpha = 5%). The percentages of individuals positive for staphylococci were similar between the groups (p = 0.764), whereas for Gram-negative rods, a higher percentage was observed amongst HIV-positive (p = 0.001).There was no difference in Staphylococcus counts between HIV and control groups (p = 0.1008). Counts were lower in the oral cavities of patients with low viral load (p = 0.021), and no difference was observed in relation to CD4 counts (p = 0.929). Staphylococcus aureus was the most frequently isolated species in HIV group, and Staphylococcus epidermidis was the prevalent species in the control group. Significantly higher numbers of enteric bacteria and pseudomonas were detected in the oral cavities of the HIV group than in the control (p = 0.0001). Enterobacter cloacae was the most frequently isolated species in both groups. Counts of enteric bacteria and pseudomonas were significantly lower in patients with low CD4 counts (p = 0.011); however, there was no difference relating to viral load. It may be concluded that HIV group showed greater species diversity and a higher prevalence of Enterobacteriaceae/Pseudomonadaceae. (C) 2011 Elsevier Ltd. All rights reserved.en
dc.description.affiliationUniv Estadual Paulista UNESP, Sao Jose Campos Dent Sch, Dept Oral Biosci & Diag, Microbiol Lab, BR-12245000 Sao Jose Dos Campos, SP, Brazil
dc.description.affiliationUniv Taubate, Day Hosp, Taubate, Brazil
dc.description.affiliationUnespUniv Estadual Paulista UNESP, Sao Jose Campos Dent Sch, Dept Oral Biosci & Diag, Microbiol Lab, BR-12245000 Sao Jose Dos Campos, SP, Brazil
dc.format.extent1041-1046
dc.identifierhttp://dx.doi.org/10.1016/j.archoralbio.2011.02.016
dc.identifier.citationArchives of Oral Biology. Oxford: Pergamon-Elsevier B.V. Ltd, v. 56, n. 10, p. 1041-1046, 2011.
dc.identifier.doi10.1016/j.archoralbio.2011.02.016
dc.identifier.fileWOS000296112200015.pdf
dc.identifier.issn0003-9969
dc.identifier.lattes0053567153623569
dc.identifier.lattes6543563161403421
dc.identifier.orcid0000-0002-2416-2173
dc.identifier.urihttp://hdl.handle.net/11449/22716
dc.identifier.wosWOS:000296112200015
dc.language.isoeng
dc.publisherPergamon-Elsevier B.V. Ltd
dc.relation.ispartofArchives of Oral Biology
dc.relation.ispartofjcr2.050
dc.relation.ispartofsjr0,752
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectHIVen
dc.subjectAcquired immunodeficiency syndromeen
dc.subjectSalivaen
dc.subjectBacteriaen
dc.titleStaphylococcus spp., Enterobacteriaceae and Pseudomonadaceae oral isolates from Brazilian HIV-positive patients. Correlation with CD4 cell counts and viral loaden
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderPergamon-Elsevier B.V. Ltd
unesp.author.lattes0053567153623569[5]
unesp.author.lattes6543563161403421[7]
unesp.author.orcid0000-0002-1747-6158[5]
unesp.author.orcid0000-0002-2416-2173[7]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Ciência e Tecnologia, São José dos Campospt

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