De-Escalation of Antibiotics Does Not Increase Mortality in Critically Ill Surgical Patients
2016
Abstract Background: Overuse of broad-spectrum antibiotics results in microbial resistance and financially is a healthcare burden. Antibiotic de-escalation refers to starting treatment of a presumed infection with broad-spectrum antibiotics and narrowing drug spectrum based on culture sensitivities. A study was designed to evaluate antibiotic de-escalation at a tertiary care center. We hypothesized that antibiotic de-escalation would not be associated with increased patient mortality rates or worsening of the primary infection. Methods: All infections treated in a single, tertiary care Surgical ICU between August 2009 and December 2011 were reviewed. Antibiotic treatment was classified by skilled reviewers as being either de-escalated or not. Outcomes were evaluated. Univariate statistics were performed (Fisher exact test, Chi-square for categorical data; student t-test for continuous variables). Multivariable logistic regression was completed. Results: A total of 2,658 infections were identified. De-esca...
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