What is the standard dosing for packed red blood cells in refractory hemorrhagic hypovolemic shock?

• A. 5 mL/kg
• B. 10 mL/kg
• C. 15 mL/kg
• D. 20 mL/kg

Answer: (B)

In pediatric refractory hemorrhagic hypovolemic shock, the aim is to rapidly improve oxygen delivery by increasing the hemoglobin level through packed red blood cells, while avoiding excessive fluid that can worsen bleeding or cause overload. The standard bolus dose is 10 mL/kg per transfusion. This amount provides a meaningful boost in oxygen-carrying capacity and can be repeated as needed based on the child’s perfusion, ongoing blood loss, and response. A smaller dose like 5 mL/kg may not raise hemoglobin quickly enough to support perfusion, while larger boluses (15 or 20 mL/kg) are not the typical initial pediatric practice and increase the risk of volume overload. After each transfusion, reassess and proceed with additional 10 mL/kg boluses as indicated, and follow massive transfusion protocols for broader blood product balance as needed.