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A unit of donated fresh plasma. Blood plasma is a light amber-colored liquid component of blood in which blood cells are absent, but which contains proteins and other constituents of whole blood in suspension. It makes up about 55% of the body's total blood volume. [1] It is the intravascular part of extracellular fluid (all body fluid outside ...
An acute hemolytic transfusion reaction (AHTR), also called immediate hemolytic transfusion reaction, is a life-threatening reaction to receiving a blood transfusion. AHTRs occur within 24 hours of the transfusion and can be triggered by a few milliliters of blood. The reaction is triggered by host antibodies destroying donor red blood cells.
In such a plasma donation procedure, blood is removed from the body, blood cells and plasma are separated, and the blood cells are returned, while the plasma is collected and frozen to preserve it for eventual use as fresh frozen plasma or as an ingredient in the manufacture of blood products. [2]
Understand the different processes before you decide to give.
Tips to consider before donating blood. You can donate blood every eight weeks if you are giving whole blood (about a pint) and every 16 weeks if you are giving a Power Red donation (about two pints).
In most cases, blood plasma is returned to the donor as well. However, in locations that have plasma processing facilities, a part of the donor's plasma can also be collected in a separate blood bag (see plasmapheresis). For example, in Australia around 5.9×10 11 platelets and 580 mL of plasma might be collected from an 88 kg donor.
The reason that donating plasma takes so long is because of the process of separating the plasma from the blood at the time of the donation. There is nothing that you have to do except sit there ...
Non-blood volume expanders are available for cases where only volume restoration is required, but a substance with oxygen-carrying capacity would help doctors and surgeons avoid the risks of disease transmission and immune suppression, address the chronic blood donor shortage, and address the concerns of Jehovah's Witnesses and others who have ...
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