• Surinder Janda, Aaron Young, J Mark Fitzgerald, Mahyar Etminan, and John Swiston.
• University of British Columbia, Vancouver, British Columbia, Canada. sjanda09@gmail.com
• J Crit Care. 2010 Dec 1;25(4):656.e7-22.

PurposeThe aim of this study was to systematically review the literature on the effect of statins on mortality in patients with infection and/or sepsis.Materials And MethodsMEDLINE, EMBASE, PapersFirst, and the Cochrane collaboration and the Cochrane Register of controlled trials were searched and were current as of December 2009. Randomized, double-blind or single-blind, placebo-controlled studies; observational cohort studies (retrospective and prospective); and case-controlled studies were included. Types of participants included adult and pediatric subjects with sepsis or various other types of infection. Exposure was defined as the use of a statin for any indication. The primary outcome chosen was mortality from any cause, and secondary outcomes included 30-day mortality, in-hospital mortality, mortality from pneumonia, mortality from bacteremia, mortality from sepsis, and mortality from mixed infection.ResultsA total of 20 studies were included in the analysis, 18 being cohort studies (12 retrospective, 6 prospective), 1 matched cohort study with 2 case-control studies, and 1 randomized control trial. Meta-analysis for various infection-related outcomes revealed the following pooled odds ratios all in favor of statin use vs non: 0.61 (95% confidence interval [CI], 0.48-0.73) for 30-day mortality (n = 7), 0.38 (95% CI, 0.13-0.64) for in-hospital mortality (n = 7), 0.63 (95% CI, 0.55-0.71) for pneumonia-related mortality (n = 7), 0.33 (95% CI, 0.09-0.75) for bacteremia-related mortality (n = 4), 0.40 (95% CI, 0.23-0.57) for sepsis-related mortality (n = 4), and 0.50 (95% CI, 0.18-0.83) for mixed infection-related mortality (n = 4).ConclusionsThis meta-analysis demonstrated a protective effect for statins in patients with sepsis and/or other infections compared to placebo for various infection-related outcomes. However, our results are limited by the cohort design of the selected studies and the degree of heterogeneity among them, and as a result, further randomized trials are needed to validate the use of statins for sepsis and/or other infections.Copyright © 2010 Elsevier Inc. All rights reserved.

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