• Joanne Guay and OchrochE AndrewEADepartment of Anesthesiology and Critical Care, University of Pennsylvania Health System, Philadelphia, PA 19104, USA..
• Department of Anesthesiology, University of Montreal, Montreal, QC, Canada H3C 3J7. Electronic address: joanneguay@bell.net.
• J Clin Anesth. 2014 Feb 1; 26 (1): 36-45.

Study ObjectiveTo evaluate the effect of steroid administration on myocardial infarction (MI), stroke, renal insufficiency, death, intensive care (ICU) length of stay (LOS) and hospital LOS of patients undergoing cardiopulmonary bypass (CPB).DesignMeta-analysis of parallel randomized controlled trials.SettingUniversity hospital.MeaurementsA search was conducted in PubMed, EMBASE, MEDLINE(R) and the Cochrane Central Register of Controlled Trials of studies on adults undergoing surgery with CPB who received steroid administration. Effect size (risk ratio or mean difference) for MI, stroke, renal insufficiency, death, ICU LOS, and hospital LOS were evaluated.Main Results48 RCTs published between 1977 and 2012 were retained for analysis. Steroids had no effect on the MI risk ratio (RR) 0.91 (95% confidence interval [CI] 0.63, 1.32); death at 30 days RR 0.84 (0.59, 1.20); stroke RR 0.92 (0.60, 1.42) or renal insufficiency RR 0.83 (0.52, 1.32). Administration of steroids reduced ICU LOS (P = 0.00001; I(2) 87.5%) and hospital LOS (P = 0.03; I(2) 81.1%). Metaregressions showed that duration of steroid administration was correlated with the reduction in ICU LOS (P = 0.0004) and hospital LOS (P < 0.00001).ConclusionsIncreasing the duration of steroid administration may reduce ICU and hospital LOS greater than increasing the dose.Copyright © 2014 Elsevier Inc. All rights reserved.

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