LEUKODEPLETED/LEUKOREDUCED RED BLOOD CELLS Flashcards
Red blood cell component in which the white blood cells have been removed/reduced
LEUKODEPLETED/LEUKOREDUCED RED BLOOD CELLS
85% remaining RBCs
LEUKODEPLETED/LEUKOREDUCED RED BLOOD CELLS
LEUKODEPLETED/LEUKOREDUCED RED BLOOD CELLS indicationns (3)
Anemia with history of febrile reactions
To decrease alloimmunization to WBC or HLA antigens or CMV transmission
It should have the residual WBCs (5x106)
In FNHTR, there is an increase or______ temperature after ______ of transfusion
> 1°C; 4 hours
LEUKODEPLETED/LEUKOREDUCED RED BLOOD CELLS SHELF LIFE
Closed system –
Open System –
Closed system – same with Packed RBC (depends on the anticoagulant)
Open System – 24 hours
Means Of Leukocyte Removal (3)
- Means of centrifugation
- Washing procedures (using saline or glycerol)
- Mechanical separation (use of leukoreduction filters)
Sizes of Filters
1st generation filter –
2nd generation filter –
3rd generation filter –
1st generation filter – 170 µm
2nd generation filter – 20-40 µm
3rd generation filter – 3-log filter
can be separated during or immediately after collection
Pre-storage
separation must be made _____
before storage.
can be separated at the time of transfusion
Post-storage