what is packed red blood cells for transfusions
Packed red blood cells Packed red blood cells, also known as red cell concentrate and packed cells, are red blood cells that have been separated for blood transfusion.[1] They are typically used in anemia that is either resulting in symptoms or when the hemoglobin is less than 70–80 g/L (7–8 g/dL).[1][2] One unit brings up hemoglobin levels by about 10 g/L (1 g/dL).[3] Repeated transfusions may be required in people receiving cancer chemotherapy or who have hemoglobin disorders.[1] Cross matching is typically required before the blood is given.[1] It is given by injection into a vein.[4]