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Objective: The aim of this systematic review was to examine the most effective and feasible methods for environmental cleaning and decontamination to prevent Clostridioides difficile infection (CDI) in health care settings., Methods: A systematic search of the databases CINAHL and MEDLINE was conducted from 2008 to 2018 for English language articles with search terms including "Clostridium difficile," and related medical subject headings, in combination with terms like "disinfection," "decontamination," and "no-touch decontamination.", Results: Twelve studies and 2 systematic reviews were selected for inclusion in this review. The studies were primarily in hospitals (10/12) and used a before-after approach. The studied interventions included cleaning and decontamination with a chlorine-based agent (i.e., bleach; 2 studies), standard cleaning plus the use of hydrogen peroxide decontamination (3 studies), and standard bleach cleaning plus the use of ultraviolet light decontamination (6 studies), and there was 1 study about launderable bed covers. The interventions ranged in frequency, duration, and the area selected for cleaning and decontamination (e.g., all patient rooms versus only CDI patients' rooms). Studies showed significant reductions in CDI associated with use of bleach (versus quaternary ammonium compound) and hydrogen peroxide decontamination after standard bleach cleaning (versus bleach cleaning alone). Four of 6 studies found significant reductions in CDI after the implementation of ultraviolet light decontamination after standard bleach cleaning., Conclusions: The studied practices for environmental cleaning and decontamination were associated with significant decreases in facility-level CDI rates in most of the reviewed studies; however, study quality was low. Implementation challenges are worthy of further examination.

This article describes the results of the Interventions to Safeguard Safety breakout session of the 2011 Academic Emergency Medicine (AEM) consensus conference entitled "Interventions to Assure Quality in the Crowded Emergency Department." Using a multistep nominal group technique, experts in emergency department (ED) crowding, patient safety, and systems engineering defined knowledge gaps and priority research questions related to the maintenance of safety in the crowded ED. Consensus was reached for seven research priorities related to interventions to maintain safety in the setting of a crowded ED. Included among these are: 1) How do routine corrective processes and compensating mechanism change during crowding? 2) What metrics should be used to determine ED safety? 3) How can checklists ensure safer care and what factors contribute to their success or failure? 4) What constitutes safe staffing levels/ratios? 5) How can we align emergency medicine (EM)-specific patient safety issues with national patient safety issues? 6) How can we develop metrics and skills to recognize when an ED is getting close to catastrophic overload conditions? and 7) What can EM learn from experts and modeling from fields outside of medicine to develop innovative solutions? These priorities have the potential to inform future clinical and human factors research and extramural funding decisions related to this important topic., (© 2011 by the Society for Academic Emergency Medicine.)