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Information about a patient's neurological status at least 24 hours after an out-of-hospital cardiac arrest (OHCA) can be used to predict survival. But what data would be prognostic at the time of hospital arrival? To assess whether level of consciousness at arrival to an emergency department (ED) is associated with recovery after OHCA, investigators performed a retrospective review of 452 patients with nontraumatic OHCA who achieved return of spontaneous circulation and were transported to an ST-elevation myocardial infarction (STEMI) center in London during a 2-year period. Median time from call for help to hospital arrival was 66 minutes.
A total of 253 patients (56%) survived to hospital discharge. Reduced consciousness at ED arrival was…