• Ignacio Morales-Cané, Valverde-LeónMaría Del RocíoMDUniversidad de Córdoba, Córdoba, Spain., and María Aurora Rodríguez-Borrego.
• Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain. Universidad de Córdoba, Córdoba, Spain.
• Rev Lat Am Enfermagem. 2016 Dec 8; 24: e2821.

Objectiveevaluate the effectiveness of epinephrine used during cardiac arrest and its effect on the survival rates and neurological condition.Methodsystematic review of scientific literature with meta-analysis, using a random effects model. The following databases were used to research clinical trials and observational studies: Medline, Embase and Cochrane, from 2005 to 2015.Resultswhen the Return of Spontaneous Circulation (ROSC) with administration of epinephrine was compared with ROSC without administration, increased rates were found with administration (OR 2.02. 95% CI 1.49 to 2.75; I2 = 95%). Meta-analysis showed an increase in survival to discharge or 30 days after administration of epinephrine (OR 1.23; 95% IC 1.05-1.44; I2=83%). Stratification by shockable and non-shockable rhythms showed an increase in survival for non-shockable rhythm (OR 1.52; 95% IC 1.29-1.78; I2=42%). When compared with delayed administration, the administration of epinephrine within 10 minutes showed an increased survival rate (OR 2.03; 95% IC 1.77-2.32; I2=0%).Conclusionadministration of epinephrine appears to increase the rate of ROSC, but when compared with other therapies, no positive effect was found on survival rates of patients with favorable neurological status.

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