Canadian Medical Guide > Analytical, Diagnostic and Therapeutic Techniques and Equipment > Therapeutics > Biological Therapy > Blood Transfusion Terms and Definitions

Blood Transfusion

Medical Definition:	The introduction of whole blood or blood component directly into the blood stream. (Dorland, 27th ed)
Guide Notes:	TN 186: differentiate among various "transfusion" concepts; do not use /util except by MeSH definition; for whole blood or unspecified transfusion: note that BLOOD COMPONENT TRANSFUSION & BLOOD COMPONENT REMOVAL & its specifics are available

Blood Transfusion Categories.

	Blood Component Transfusion - The transfer of blood components such as erythrocytes, leukocytes, platelets, and plasma from a donor to a recipient or back to the donor. This process differs from the procedures undertaken in PLASMAPHERESIS and types of CYTAPHERESIS; (PLATELETPHERESIS and LEUKAPHERESIS) where, following the removal of plasma or the specific cell components, the remainder is transfused back to the donor.
	Blood Transfusion, Autologous - Reinfusion of blood or blood products derived from the patient's own circulation. (Dorland, 27th ed)
	Blood Transfusion, Intrauterine - Transfusion of Rh-negative blood into the peritoneal cavity of an unborn infant in the treatment of fetal erythroblastosis (ERYTHROBLASTOSIS, FETAL) in utero. (Dorland, 27th ed)
	Exchange Transfusion, Whole Blood - Repetitive withdrawal of small amounts of blood and replacement with donor blood until a large proportion of the blood volume has been exchanged. Used in treatment of fetal erythroblastosis, hepatic coma, sickle cell anemia, disseminated intravascular coagulation, septicemia, burns, thrombotic thrombopenic purpura, and fulminant malaria.
	Plasma Exchange - Removal of plasma and replacement with various fluids, e.g., fresh frozen plasma, plasma protein fractions (PPF), albumin preparations, dextran solutions, saline. Used in treatment of autoimmune diseases, immune complex diseases, diseases of excess plasma factors, and other conditions.

Blood Transfusion Medical Definitions and Terms

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