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Once treatment with anti cd47 begins false positive reactions can be seen in all phases of testing immediate spin 370c and iat with all media eg saline liss and peg and with all methods of iat testing ie tube gel solid phase.
Compatibility testing blood bank. Abo discrepancies occur due to. Immediate spin is and anti human globulin ahg. Interference in blood bank testing when samples contain anti cd47. The serum is retained but no blood is cross matched.
Learn vocabulary terms and more with flashcards games and other study tools. The last step in compatibility testing is to perform a crossmatch which consists of testing patient serum against a sample of red cells from the actual rbc unit that has been selected for transfusion. To obtain compatible blood and avoid potential hemolysis of transfused red cells the blood bank performs a type and screen. If the antibody screen is negative and blood bank records show no previous history of antibody an is.
Compatibility testing in hospital blood banks 337 antibodies. The advent of liss technology has permitted safe provision of compatible blood after a minimum incubation of 15 min using the retained serumwhen patients with a negative antibody screen require blood urgently blood of the same abo and.
