• West J Emerg Med · May 2018

    Comparative Study

    Comparing Quick Sequential Organ Failure Assessment Scores to End-tidal Carbon Dioxide as Mortality Predictors in Prehospital Patients with Suspected Sepsis.

    • Christopher L Hunter, Salvatore Silvestri, George Ralls, Amanda Stone, Ayanna Walker, Neal Mangalat, and Linda Papa.
    • Orlando Regional Medical Center, Department of Emergency Medicine, Orlando, Florida.
    • West J Emerg Med. 2018 May 1; 19 (3): 446-451.

    IntroductionEarly identification of sepsis significantly improves outcomes, suggesting a role for prehospital screening. An end-tidal carbon dioxide (ETCO2) value ≤ 25 mmHg predicts mortality and severe sepsis when used as part of a prehospital screening tool. Recently, the Quick Sequential Organ Failure Assessment (qSOFA) score was also derived as a tool for predicting poor outcomes in potentially septic patients.MethodsWe conducted a retrospective cohort study among patients transported by emergency medical services to compare the use of ETCO2 ≤ 25 mmHg with qSOFA score of ≥ 2 as a predictor of mortality or diagnosis of severe sepsis in prehospital patients with suspected sepsis.ResultsBy comparison of receiver operator characteristic curves, ETCO2 had a higher discriminatory power to predict mortality, sepsis, and severe sepsis than qSOFA.ConclusionBoth non-invasive measures were easily obtainable by prehospital personnel, with ETCO2 performing slightly better as an outcome predictor.

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