Early Norepinephrine in Trauma Patients With Hemorrhagic Shock

Norepinephrine bitartrate (LEVOPHEDR, Pfizer inc.) 4 mg/4ml + 5% Dextrose in water 246 ml (total volume 250 ml, final concentration 16 mcg/ml) infuses intravenously via a central catheter or peripheral line with the rate of 10 ml/h (equivalent to 0.05 mcg/kg/min for a 50-kg patient). The drug will be initiated within 1 hour after randomization, infused for 24 hours after randomization, and then discontinued.

5% Dextrose in water 250 ml infused intravenously at a rate of 10 ml/h. The drug will be initiated within 1 hour after randomization, infused for 24 hours after randomization, and then discontinued.