• Paul Banerjee, Latha Ganti, Tej G Stead, Ariel E Vera, Raf Vittone, and Paul E Pepe.
• Polk County Fire Rescue, Bartow, FL, USA.
• Resusc Plus. 2021 Mar 1; 5: 100062.

ObjectiveTo determine which aspects of prehospital care impact outcomes after pediatric cardiac arrest.MethodsIn this study, the authors examine 5 years of consecutive data from their county emergency medical system (EMS), to identify predictors of good outcome after pediatric cardiac arrest, including return of spontaneous circulation (ROSC), survival to hospital admission (HA) and survival to hospital discharge (HD). Three logistic regression models were performed using JMP 14.1 Pro for Windows, each with the following nine predictors: age, sex, ventilation method (endotracheal intubation vs. supraglottic airway), initial rhythm (pulseless electrical activity vs. asystole), epinephrine administration, bystander treatment prior to EMS arrival, time from collapse to EMS arrival, automatic external defibrillator (AED) placement, and whether the arrest was witnessed. Odds ratio confidence intervals were calculated using the Wald method, and corresponding p-values were obtained with the likelihood ratio χ2 test.ResultsFrom January 1, 2012 to December 31, 2016, there were 133 pediatric cardiac arrests, of which we had complete data on 109 patients for pediatric cardiac arrest. The median age was 8 months, with an IQR of 2.25-24 months, and a range of 0-108 months (0-9 years). There was return of spontaneous circulation (ROSC) in 20% of cases overall, with 16% making it to hospital admission, and 9% making it alive out of the hospital.The median time to EMS arrival for witnessed events was 10 min, with an interquartile range (IQR) of 6.5-16 min, and a range of 0-25 min. The median time to EMS arrival for unwitnessed events was 30 min, with an IQR of 19-62.5 min, and a range of 9-490 min.Predictors of ROSC included epinephrine administration (p = .00007), bystander treatment before EMS arrival (p = .0018), older age (p = .0025), shorter time to EMS arrival (p = .0048), and AED placement. Predictors of hospital admission included epinephrine NOT being administered (p = .0004), bystander treatment before EMS arrival (p = .0088), shorter time to EMS arrival (p = .0141), and AED placement (p = .0062). The only significant predictor of survival to hospital discharge alive that was identified was shorter time to EMS arrival (p = .0014), as there was insufficient data for many of the predictor variables in this analysis.ConclusionShorter time to EMS arrival from time of arrest, any bystander treatment prior to EMS arrival, and AED placement resulted in significantly higher rates of return of spontaneous circulation. Epinephrine administration significantly improved ROSC, but had the opposite effect on HA. Only shorter time to EMS arrival from time of arrest was significantly associated with survival to hospital discharge. Each additional minute for the EMS to arrive resulted in 5% decreased odds of ROSC and hospital admission, and 12% decreased odds of surviving to hospital discharge.© 2020 The Authors.

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