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4 Donor Blood Processing 5. Changes in plasma during storage (1-6C) TESTS PERFORMED ON pH DONOR BLOOD...

4 Donor Blood Processing 5. Changes in plasma during storage (1-6C) TESTS PERFORMED ON pH DONOR BLOOD Na+ & Resolve d;screpancies 6. Unit of blood cannot be returned and reissued if >l0°C or if seal disturbed ~ Weak D determination fr.'1lv/'' WASHED RED CELL ~ onDneg~a-ti_ ve_s_ _ _ ~~~~~ 1. Plasma removed by successive saline washes (automated instrument) ~ Clinically significant antibodies; 2. Primarily used to prevent allergic FFP cannot be prepared from r espon se to plasma proteins and these units; platelets and cryo- precipitate can (contain mini- anaphylactic shock in IgA deficient mum plasma volume) patients with anti-IgA (IgA is in normal plasma); removes anti-I-IPA-la from I~ p,o.J t,-I.- Exam~ 1 c-fr~ " maternal blood used to n eonatal APR for syphillis transfusions; removes complement antibody to T. cruzi 3. Expires 24 hours after seal of original HB~Ag - Hef D.d--~~ D SW~ unit broken Anll-HBc --.... ~ fJJ l cf(/ Anti- HCV 'He,&.>11 hi'. ,u, Anti- HIV 1/2 tv°'t-lj APHERESIS RED BLOOD CELLS Anti- HTLV~ I-{-~ 'Fce,\I. 1. Hemoglobin should he >60g in NAT Testing for I~~ l'\Ot