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Παρασκευή 27 Απριλίου 2018

Dynamics of intraoperative Klebsiella, Acinetobacter, Pseudomonas, and Enterobacter transmission

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Publication date: May 2018
Source:American Journal of Infection Control, Volume 46, Issue 5
Author(s): Brent Hadder, Hetal M. Patel, Randy W. Loftus
BackgroundOur primary objective was to examine anesthesia work area reservoir isolation of Klebsiella, Acinetobacter, Pseudomonas, and Enterobacter spp (KAPE) pathogens. This is a retrospective analysis of a randomized, prospective, and observational study involving 3 academic medical centers.MethodsPatients included adults undergoing general anesthesia. Gram-negative isolates (N = 2,682) were collected from anesthesia work area reservoirs in 274 randomly selected operating room case pairs. Nine hundred and forty-five isolates were included in this study. Chi square tests were used to examine the association of anesthesia work area reservoirs with KAPE genera isolation.ResultsAcinetobacter pathogens were more likely to be isolated from anesthesia provider hands (risk ratio [RR], 1.07; 95% confidence interval [CI], 1.04-1.10; corrected P = .004) and less likely to be isolated from patients (RR, 0.2; 95% CI, 0.08-0.50; corrected P < .0001). Enterobacter pathogens were more likely to be isolated from patients (RR, 3.34; 95% CI, 1.92-5.81; corrected P = 0.001) and less likely to be isolated from provider hands (RR, 0.89; 95% CI, 0.83-0.97; corrected P = .007).ConclusionsAnesthesia provider hands are important reservoirs for Acinetobacter spp, whereas patient skin surfaces are key reservoirs for Enterobacter spp. Future work should examine the impact of a multimodal program in controlling the intraoperative spread of Acinetobacter and Enterobacter pathogens.



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