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Apheresis is a blood donation method where the blood is passed through an apparatus that separates out one particular constituent and returns the remainder to the donor. Usually the component returned is the red blood cells, the portion of the blood that takes the longest to replace.
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 B antigens and can be safely transfused to most recipients. Type AB+ is the "universal recipient" type for PRBC donations.
The donor’s red blood cells are then fed back into their bloodstream. This process can take up to one to two hours. The longest part of the plasma donation is the component separation process.
Erythrocytapheresis – red blood cells. Erythrocytapheresis is the separation of erythrocytes from whole blood. It is most commonly accomplished using the method of centrifugal sedimentation. The automated red blood cell collection procedure for donating erythrocytes is referred to as 'Double Reds' or 'Double Red Cell Apheresis.' [9]
A massive transfusion protocol is used when significant blood loss is present such as in major trauma, when more than ten units of blood are needed. Packed red blood cells, fresh frozen plasma, and platelets are generally administered. [131] Typical ratios of fresh frozen plasma, platelets and packed red blood cells are between 1:1:1 and 1:1:2 ...
Red blood cells (RBCs), referred to as erythrocytes (from Ancient Greek erythros 'red' and kytos 'hollow vessel', with -cyte translated as 'cell' in modern usage) in academia and medical publishing, also known as red cells, [1] erythroid cells, and rarely haematids, are the most common type of blood cell and the vertebrate's principal means of delivering oxygen (O 2) to the body tissues—via ...
Erythrocytapheresis is an apheresis procedure by which erythrocytes (red blood cells) are separated from whole blood.It is an extracorporeal blood separation method whereby whole blood is extracted from a donor or patient, the red blood cells are separated, and the remaining blood is returned to circulation.
Whole blood is fractionated into red blood cells, platelets and plasma whilst plasma can be further refined into separate components such as albumin, clotting factor concentrates and immunoglobulin. The blood bank is the section of the clinical laboratory where laboratory scientists store and distribute blood components. Both areas are ...
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