Quick Review Cards for Medical Laboratory Science

(avery) #1

Blood Components—RBCscontinued Immunohematology Review 428


STORAGE

COMPONENT PREPARATION TEMPERATURE SHELF LIFE INDICATIONS OTHER

Washed RBCs

RBCs leukocytes
reduced

RBCs irradiated

Not a substitute for leuko-
reduced RBCs. About 20%
of RBCs lost in process.

Must retain 85% of
original RBCs. <5 × 10^6
WBCs.

For prevention of
graft-vs.-host disease.
Kills donor T cells.

RBCs washed with
saline.

Filtration or aphere-
sis processing.

Irradiation at
2,500 cGy.

1 °–6°C

1 °–6°C

1 °–6°C

24 hr after washing

Closed system:
same as RBCs. Open
system: 24 hr

Original outdate or
28 days from irradi-
ation, whichever
comes 1st

History of severe
allergic rxn (e.g.,
IgA, other plasma
proteins)

History of febrile
rxn

Immunodeficiency,
malignancy, bone
marrow transplant,
tf with blood from
blood relative, in-
trauterine &
neonatal tf
Free download pdf