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Τετάρτη 16 Ιανουαρίου 2019

Long-Term Effects of Phased Implementation of Antimicrobial Stewardship in Academic ICUs: 2007–2015*

imageObjectives: Antimicrobial stewardship is advocated to reduce antimicrobial resistance in ICUs by reducing unnecessary antimicrobial consumption. Evidence has been limited to short, single-center studies. We evaluated whether antimicrobial stewardship in ICUs could reduce antimicrobial consumption and costs. Design: We conducted a phased, multisite cohort study of a quality improvement initiative. Setting: Antimicrobial stewardship was implemented in four academic ICUs in Toronto, Canada beginning in February 2009 and ending in July 2012. Patients: All patients admitted to each ICU from January 1, 2007, to December 31, 2015, were included. Interventions: Antimicrobial stewardship was delivered using in-person coaching by pharmacists and physicians three to five times weekly, and supplemented with unit-based performance reports. Total monthly antimicrobial consumption (measured by defined daily doses/100 patient-days) and costs (Canadian dollars/100 patient-days) before and after antimicrobial stewardship implementation were measured. Measurements and Main Results: A total of 239,123 patient-days (57,195 patients) were analyzed, with 148,832 patient-days following introduction of antimicrobial stewardship. Antibacterial use decreased from 120.90 to 110.50 defined daily dose/100 patient-days following introduction of antimicrobial stewardship (adjusted intervention effect –12.12 defined daily dose/100 patient-days; 95% CI, –16.75 to –7.49; p

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