Red blood cell alloimmunization among hospitalized patients: transfusion reactions and low alloantibody identification rate

摘要

BackgroundUnexpected red blood cell alloantibodies can cause hemolytic transfusion reactions. In this study, the prevalence of alloimmunization, the rate of identification of alloantibodies and the rate of blood transfusion reactions among transfused patients were identified in a clinical emergency hospital in Brazil.