• Dustin L Slagle, Richard J Caplan, and Andrew R Deitchman.
• Emergency Medicine and Internal Medicine Residency, ChristianaCare, Newark, DE, USA. Dustin.Slagle@ChristianaCare.org.
• J Clin Monit Comput. 2023 Feb 1; 37 (1): 261266261-266.

ObjectiveEvaluate trends in targeted temperature management with regards to temperature selection, its effect on neurologic outcomes at discharge, and compare this with recent large randomized controlled trial outcomes.DesignRetrospective cohort study between January 2010 and December 2019.SettingSingle large tertiary academic community hospital.Patients634 adult non-traumatic patients presenting with out of hospital cardiac arrest with persistent comatose state treated with active targeted temperature management.Interventions, Measurements, And Main Results473 patients received hypothermia of 33 °C and were compared to 161 patients who received targeted normothermia of 36.5 °C. The primary outcome was Cerebral Performance Category (CPC) at hospital discharge, with levels 1 or 2 considered good outcomes. Mortality, ICU days, ventilator days, and overall hospital stay length were secondary outcomes. Patients receiving T33 had more favorable CPC outcomes when compared to patients receiving T36.5 (OR = 2.4 [1.3, 4.6], p = 0.006). Subgroup analysis of initial non-shockable rhythms demonstrated improved CPC scores (OR = 2.5, p = 0.04), however this was not maintained in the shockable rhythm group. T33 patients had a shorter length of stay. Mortality, ICU days, and ventilator days did not differ between the groups.ConclusionsOut of hospital cardiac arrest patients with persistent comatose state treated with hypothermia of 33 °C had improved odds of discharge with good neurologic outcomes when compared to those treated with targeted normothermia. This improvement of outcomes appears to have been driven by the improved outcomes in the patients who had presented with non-shockable rhythm.© 2022. The Author(s), under exclusive licence to Springer Nature B.V.

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