• Deborah J Jones and Cindy L Munro.
• University of Texas Health Science Center at Houston School of Nursing, 6901 Bertner Avenue, #660, Houston, TX 77030, USA. deborah.j.jones@uth.tmc.edu <deborah.j.jones@uth.tmc.edu>
• Intensive Crit Care Nurs. 2008 Jun 1; 24 (3): 152-61.

RationaleBacteraemia, defined as the presence of viable bacteria in the circulating blood can result in bloodstream infection, which is one of the most frequent and challenging hospital-acquired infections. Bacteraemia occurs in healthy populations with manipulation of the oral mucosa, including toothbrushing. Oral care is commonly administered to mechanically ventilated patients, it is important to determine whether this practice contributes to the incidence of bacteraemia. This paper reviews the literature on the link between the manipulation of the oral cavity and the development of bacteraemia in mechanically ventilated adults.MethodsSearches were conducted using Medline, CINAHL, and the Cochrane Library databases. Article inclusion criteria were (1) a focus on mechanical ventilation and critical illness, (2) human subjects, (3) adult subjects, and (4) publication in English (or available English translation).ResultsNine articles met inclusion criteria and were critiqued. All relied upon clinical data as outcome measures; many were retrospective. The three organisms most often associated with nosocomial bloodstream infections were Staphylococcus aureus, coagulase negative staphylococci, and Enterococcus species. Establishing the origin of bacteraemia was problematic in most studies.ConclusionsAdditional research is needed to understand the relationship of oral care practices to bacteraemia in mechanically ventilated adults.

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