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Oral and endotracheal tubes colonization by periodontal bacteria: a case–control ICU study

Porto, A. ; Cortelli, S. ; Borges, A. ; Matos, F. ; Aquino, D. ; Miranda, T. ; Oliveira Costa, F. ; Aranha, A. ; Cortelli, J.

European Journal of Clinical Microbiology & Infectious Diseases, 2016, Vol.35(3), pp.343-351 [Periódico revisado por pares]

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  • Título:
    Oral and endotracheal tubes colonization by periodontal bacteria: a case–control ICU study
  • Autor: Porto, A. ; Cortelli, S. ; Borges, A. ; Matos, F. ; Aquino, D. ; Miranda, T. ; Oliveira Costa, F. ; Aranha, A. ; Cortelli, J.
  • Assuntos: Bacteria – Analysis
  • É parte de: European Journal of Clinical Microbiology & Infectious Diseases, 2016, Vol.35(3), pp.343-351
  • Descrição: Periodontal infection is a possible risk factor for respiratory disorders; however, no studies have assessed the colonization of periodontal pathogens in endotracheal tubes (ET). This case–control study analyzed whether periodontal pathogens are able to colonize ET of dentate and edentulous patients in intensive care units (ICU) and whether oral and ET periodontal pathogen profiles have any correlation between these patients. We selected 18 dentate and 18 edentulous patients from 78 eligible ICU patients. Oral clinical examination including probing depth, clinical attachment level, gingival index , and plaque index was performed by a single examiner, followed by oral and ET sampling and processing by quantitative polymerase chain reaction (total bacterial load, Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, and Tannerella forsythia ). Data were statistically analyzed by Mann–Whitney U, two-way analysis of variance ( p  < 0.05). Among dentate, there was no correlation between clinical parameters and ET bacterial levels. Both dentate and edentulous patients showed similar ET bacterial levels. Dentate patients showed no correlation between oral and ET bacterial levels, while edentulous patients showed positive correlations between oral and ET levels of A. actinomycetemcomitans, P. gingivalis, and T. forsythia . Periodontal pathogens can colonize ET and the oral cavity of ICU patients. Periodontal pathogen profiles tend to be similar between dentate and edentulous ICU patients. In ICU patients, oral cavity represents a source of ET contamination. Although accompanied by higher oral bacterial levels, teeth do not seem to influence ET bacterial profiles.
  • Idioma: Inglês

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