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Hospital-wide Roll-out of Antimicrobial Stewardship: A Stepped-Wedge Randomized Trial.
Clin Infect Dis. 2014 Jun 13;
Authors: Palmay L, Elligsen M, Walker SA, Pinto R, Walker S, Einarson T, Simor A, Rachlis A, Mubareka S, Daneman N
Abstract
Our objective was to rigorously evaluate the impact of an antimicrobial stewardship audit-and-feedback intervention, via a stepped-wedge randomized controlled trial. An effective ICU audit-and-feedback program was rolled-out to 6 non-ICU services in a randomized sequence. The primary outcome was targeted antimicrobial utilization, using a negative binomial regression model to assess the impact of the intervention while accounting for secular and seasonal trends. The intervention was successfully transitioned, with high volumes of orders reviewed, suggestions made, and recommendations accepted. Among patients meeting stewardship review criteria, the intervention was associated with a large reduction in targeted antimicrobial utilization (-21%, p=0.004); however, there was no significant change in targeted antibiotic use among all admitted patients (-1.2%, p=0.9), and no reductions in overall costs and microbiologic outcomes. An ICU day 3 audit-and-feedback program can be successfully expanded hospital-wide, but broader benefits on non-ICU wards may require interventions earlier in the course of treatment.
PMID: 24928294 [PubMed - as supplied by publisher]