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Plasma as a blood product prepared from blood donations is used in blood transfusions, typically as fresh frozen plasma (FFP) or Plasma Frozen within 24 hours after phlebotomy (PF24). When donating whole blood or packed red blood cell (PRBC) transfusions, O- is the most desirable and is considered a "universal donor," since it has neither A nor ...
Plasma donation is a related form of blood donation that extracts only one component of a person’s blood. It’s a more involved process that takes more time, and has more specific purposes.
Donating plasma is similar in many ways to whole blood donation, though the end product is used for different purposes. Most plasmapheresis is for fractionation into other products; other blood donations are transfused with relatively minor modifications. Plasma that is collected solely for further manufacturing is called Source Plasma.
Plasma is the "yellowish" liquid part of blood, which acts as a buffer and contains proteins and other important substances needed for the body's overall health. Platelets are involved in blood clotting, preventing the body from bleeding. Before these components were known, doctors believed that blood was homogeneous.
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.
This included NZ$4 million worth of Factor VIII, a blood clotting factor used to treat hemophiliacs which is manufactured from large pools of donated plasma, and subsequently led to a nationwide shortage of Factor VIII and the deferral of non-emergency surgery on hemophiliac patients, costing the health sector millions of dollars more. [188]
Some plasma donation centers are known for paying top dollar for a plasma donation. The average payment for a single donation is between $30 and $60 per session, although there are centers that ...
An alternative name for the factor is plasma thromboplastin component, given by an independent group in California. [65] Hageman factor, now known as factor XII, was identified in 1955 in an asymptomatic patient with a prolonged bleeding time named of John Hageman. Factor X, or Stuart-Prower factor, followed, in 1956.