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In a typical set of rules, a platelet donor must weigh at least 50 kg (110 lb) and have a platelet count of at least 150 x 10 9 /L (150,000 platelets per mm³). [2] One unit has greater than 3×10 11 platelets. Therefore, it takes 2 liters of blood having a platelet count of 150,000/mm³ to produce one unit of platelets.
Two reviews in people with blood cancers receiving intensive chemotherapy or a stem cell transplant found that overall giving platelet transfusions when the platelet count is less than 10 x 10 9 /L compared to giving platelet transfusions when the platelet count is less than 20 or 30 x 10 9 /L had no effect on the risk of bleeding. [14] [18]
For apheresis platelet donation the donor's pre platelet count should be above 150 x 10^9/L. For apheresis plasma donation, the donor's total protein level should be greater than 60 g/L. For double red cell apheresis, donors of either gender require a minimum hemoglobin level of 14.0 g/dl. [15]
During a platelet donation, the blood is drawn from the patient and the platelets are separated from the other blood components. The remainder of the blood, red blood cells, plasma, and white blood cells are returned to the patient. This process is completed several times for a period of up to two hours to collect a single donation. [78]
Platelet aggregation function by disorders and agonists ADP Epinephrine Collagen Ristocetin; P2Y receptor defect [1] (including Clopidogrel) Decreased: Normal: Normal: Normal Adrenergic receptor defect [1] Normal: Decreased: Normal: Normal Collagen receptor defect [1] Normal: Normal: Decreased or absent: Normal Von Willebrand disease (except ...
Understand the different processes before you decide to give.
It is composed of red blood cells, platelets, plasma and white blood cells, collectively referred to as blood components. Donations given at regular blood donation sessions are referred to as "Whole Blood". Platelets are very small cells. They work with the clotting factors in plasma to form a mesh "plug" to stop or prevent bleeding.
Through these plasma companies, donors can earn up to $1,000 each month for regular donations. Karen Doyle contributed to the reporting for this article. Information is accurate as of Dec. 8, 2022.
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