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Autotransfusion is a process wherein a person receives their own blood for a transfusion, instead of banked allogenic (separate-donor) blood.There are two main kinds of autotransfusion: Blood can be autologously "pre-donated" (termed so despite "donation" not typically referring to giving to one's self) before a surgery, or alternatively, it can be collected during and after the surgery using ...
Some advantages of autologous blood donation are: Blood type will always match, even with a rare blood type or antibody type. If only autologous blood is used during surgery the risk of exposure to infectious disease such as hepatitis or HIV from blood is eliminated. The risk of allergic reactions is reduced. The disadvantages are:
Autologous blood therapy, also known as autologous blood injection or autohemotherapy, comprises certain types of hemotherapy using a person's own blood (auto-+ hemo-+ therapy). There are several kinds, the original belonging only to traditional medicine , alternative medicine , and some newer kind of medicine under investigation.
Banked blood during the blood transfusion process As the person receives their blood transfusion, the bag slowly empties, leaving behind blood that has clotted before it could be administered. Historically, red blood cell transfusion was considered when the hemoglobin level fell below 100g/L or hematocrit fell below 30%.
Intraoperative blood salvage (IOS), also known as cell salvage, is a specific type of autologous blood transfusion. Specifically IOS is a medical procedure involving recovering blood lost during surgery and re-infusing it into the patient. It is a major form of autotransfusion.
The process is commonly known as "cell-saver" and is considered far superior to the use of blood from a donor, because it reduces the possibility of infection and provides more functional cells back to the patient. [1] Because the blood is recirculated, there is no limit to the amount of blood that can be given back to the patient. [2]
Blood transfusions can be traditionally classified as autologous, where the blood donor and transfusion recipient are the same, or as allogeneic/homologous, where the blood is transfused into someone other than the donor. Blood transfusion begins by the withdrawal of 1 to 4 units of blood (1 unit = 450 mL of blood) several weeks before competition.
Red blood cell concentrates, also known as red cell concentrates or packed red blood cells, are red blood cells that have been separated for blood transfusion. [1] A red blood cell concentrate typically has a haematocrit of 0.50 – 0.70 L/L and a volume between 250 and 320 mL.