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Understand the different processes before you decide to give.
Usually the component returned is the red blood cells, the portion of the blood that takes the longest to replace. Using this method an individual can donate plasma or platelets much more frequently than they can safely donate whole blood. [76] These can be combined, with a donor giving both plasma and platelets in the same donation. [citation ...
Plasmapheresis (from the Greek πλάσμα, plasma, something molded, and ἀφαίρεσις aphairesis, taking away) is the removal, treatment, and return or exchange of blood plasma or components thereof from and to the blood circulation. It is thus an extracorporeal therapy, a medical procedure performed outside the body. [1]
In many countries, apheresis donors can donate platelets more often than those donating whole blood. There are several categories of component collections: Plasmapheresis – blood plasma. Plasmapheresis is useful in collecting FFP (fresh frozen plasma) of a particular ABO group.
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You can donate as often as twice per week with at least two days in between donations at most private donation centers. This is possible because blood plasma regenerates every 24-48 hours.
Plasma transfusion is especially prone to causing TACO because large volumes are usually required to give any therapeutic benefit. Transfusion-associated graft versus host disease frequently occurs in immunodeficient patients where recipient's body failed to eliminate donor's T cells. Instead, donor's T cells attack the recipient's cells.
Plasma can be collected simultaneously with a platelet donation. Platelets are the clotting cells of the blood. Platelet donation therapy is frequently needed by cancer patients, because chemotherapy for such patients can render them unable to generate platelets of their own.
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