Αρχειοθήκη ιστολογίου

Πέμπτη 28 Δεκεμβρίου 2017

A Simulation Study to Evaluate Improvements in Anesthesia Work Environment Contamination After Implementation of an Infection Prevention Bundle

BACKGROUND: Microbiological contamination of the anesthesia work environment (AWE) is a potential source of health care–associated infections. Medication syringes, stopcocks, and many other areas are routinely contaminated during anesthetic care, and adherence to hand hygiene recommendations is poor. Using a simulation model, we investigated whether AWE contamination could be reduced by implementing an intervention bundle focused on infection prevention. METHODS: Twenty-five anesthesia providers were enrolled in this nonrandomized simulation scenario crossover design study. Subjects were asked to complete 2 general anesthesia scenarios in a mock operating room: a baseline scenario and an intervention scenario in which the bundle was implemented. The bundle included: double gloving before intubation, confining all airway equipment to 1 area, and performing hand hygiene before touching the anesthesia cart. Before each scenario, a manikin's oropharynx and face were marked with ultraviolet fluorescent tracers. After each scenario, the AWE was inspected with a ultraviolet light source to detect contaminant, and all sites were photographed. A blinded observer scored the images for the presence or absence of tracer at 20 sites. Videos of the scenarios were analyzed for duration and number of hand hygiene and glove removal events. Data were analyzed using a mixed effects model. Subjects completed a survey about their experience and the value of the scenarios. RESULTS: The intervention was associated with a decreased subject contamination score of 4.0 (95% confidence interval, 2.2–5.6; P

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