Evaluation of the Efficacy of Early Bunching of a FF-PCC in Patients With Severe Traumatic Hemorrhage

Cluster 4 f - PCC by intravenous infusion (boya 4 f - PCC, a bottle of 400 IU) : 25 IU/kg dose infusion time: as soon as possible after admission infusion, at the latest within 2 hours after admission to infusion infusion method: Sodium chloride injection 5% glucose injection was diluted into 50 ml per bottle, and then intravenous infusion was carried out with a blood transfusion device with a mesh device. The infusion was finished in 60-120 minutes