Antibody formation in hematologic malignancies is comparable to that in other diseases requiring multiple blood transfusions. Extensive antigen matching before transfusion of patients with hematologic and oncologic malignancies is not necessary and leads to increased costs.
About 25 percent of all antibodies became undetectable over the course of time. The antibody screening technique used, rather than the antibody specificity, affected these results. To prevent delayed hemolytic transfusion reactions, precise antibody documentation is of great importance.
Although Ab-LIAs are found coincidentally in the sera of only 2 to 3 percent of patients with other RBC antibodies, they are formed often. Because we found no difference in serologic incompatibility, due to Ab-LIAs, between patients with and without other blood group antibodies, we conclude that blood can be transfused safely to patients without performing a complete cross-match.
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