• Elizabeth K Laverriere, Marcia Polansky, Benjamin French, Vinay M Nadkarni, Robert A Berg, and Alexis A Topjian.
• Division of Critical Care Medicine, Department of Anesthesiology and Critical Medicine, Children's Hospital of Philadelphia, University of Pennsylvania, Perelman School of Medicine, Philadelphia, PA.
• Pediatr Crit Care Me. 2020 Feb 1; 21 (2): 143-149.

ObjectivesTo evaluate the association of a single episode of hypotension and burden of hypotension with survival to hospital discharge following resuscitation from pediatric cardiac arrest.DesignRetrospective cohort study.SettingSingle-center PICU.PatientsPatients between 1 day and 18 years old who had a cardiac arrest, received chest compressions for more than 2 minutes, had return of spontaneous circulation for more than 20 minutes, and survived to receive postresuscitation care in the ICU.InterventionsNone.Measurement And Main ResultsOne-hundred sixteen patients were evaluable. Hypotension, defined as systolic blood pressure less than the fifth percentile for age and sex, occurred in 37 patients (32%) within the first 6 hours and 64 (55%) within 72 hours of postresuscitation ICU care. There was no significant difference in survival to discharge for patients who had a single episode of hypotension within 6 hours (51% vs 69%; p = 0.06) or within 72 hours (56% vs 73%; p = 0.06). Burden of hypotension was defined as the percentage of hypotension measurements that were below the fifth percentile. After controlling for patient and cardiac arrest event characteristics, a higher burden of hypotension within the first 72 hours of ICU postresuscitation care was associated with decreased discharge survival (adjusted odds ratio = 0.67 per 10% increase in hypotension burden; 95% CI, 0.48-0.86; p = 0.006).ConclusionsAfter successful resuscitation from pediatric cardiac arrest, systolic hypotension was common (55%). A higher burden of postresuscitation hypotension within the first 72 hours of ICU postresuscitation care was associated with significantly decreased discharge survival, after accounting for potential confounders including number of doses of epinephrine, arrest location, and arrest etiology due to airway obstruction or trauma.

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