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Etomidate causes laboratory abnormalities, specifically, suppression of cortisol production. Prior authors have attempted to demonstrate corresponding patient harm (NEJM JW Emerg Med Jan 16 2014). A new meta-analysis of two randomized, controlled trials and 16 observational studies involving 5552 patients helps us to draw conclusions from the totality of the evidence.
Pooled analysis revealed that single-dose etomidate increased risk for laboratory evidence of adrenal insufficiency (relative risk, 1.4), but did not significantly increase risk for mortality.