The use of altruistic donors, the testing for known infectious agents, and other measures have made blood a very safe product. Thus the risk of acquiring an infectious agent by transfusion of blood components has been largely reduced, and the greatest risk in morbidity and mortality following transfusion of blood is due mostly to its noninfectious complications. Transfusion-related acute lung injury (TRALI) and transfusion-associated circulatory overload (TACO) are the most commonly reported causes of mortality involving transfusion of blood. Other transfusion reactions such as mild allergic reactions and febrile non-hemolytic transfusion reactions are not lethal but are very common and may produce discomfort and anxiety in the patient.
KeywordsComplications of transfusion Transfusion reactions TRALI TACO Febrile non-hemolytic transfusion reactions Allergic reactions Acute hemolytic transfusion reaction
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