In-flight cooling after out-of-hospital cardiac arrest

Aeromedical retrieval specialists in Scotland developed a simple, cheap, effective in-flight cooling protocol using intravenous (IV) cold Hartmann’s solution and chemical cooling packs. Fluids cooled in a fridge (4°C) were transported in an insulated cool box; the patient was sedated, paralysed and intubated, and controlled ventilation started. The patient was then cooled by IV infusion of 30 ml/kg of cold Hartmann’s. Chemical ice packs were activated and placed in the axillae and groin. The time interval between successful resuscitation and the patient being retrieved and flown to an Intensive Care Unit (ICU) was at least 3.5 h. Cooled patients had a mean decrease in body temperature during retrieval compared to patients not cooled (−1.6 °C vs. +0.9 °C, p = 0.005) and a lower body temperature on ICU arrival (34.1 °C vs. 36.4 °C, p = 0.05). Two of the 5 cooled patients achieved target temperature (<34 °C) before ICU arrival. No complications of in-flight cooling were reported.

Not the only way to cool down in Scotland

In-flight cooling after out-of-hospital cardiac arrest
Resuscitation. 2010 Aug;81(8):1041-2

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