Blood Components

Estimated reading time: 1 min

Whole banked blood

Upto 450 mL/donor.
Increase Hb by 1g/dl and hematocrit by 3 % per 1 bag whole blood.
Benefit is that it is metabolically more active and it is coagulation factor rich.
Disadvantage is that volume overload can occur.

Fresh whole blood

When transfused within 24 hours, it has shown improved outcomes in trauma associated coagulopathy.
Provides greater coagulation factors levels.

Packed RBCs

Hematocrit is 60–70%, Prepared by removing supernatant plasma after centrifugation, Volume is 200–250 mL
Preserved with using SAG-M (saline, adenine, glucose, mannitol) or CPDA (citrate, phosphate, dextrose, adenine), stored up to 35 days. Maximum half life of transfused RBC is 50 days (N – 120 days)

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