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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]
Immunoadsorbtion with Staphylococcal protein A-agarose column – removal of allo- and autoantibodies (in autoimmune diseases, transplant rejection, hemophilia) by directing plasma through protein A-agarose columns. Protein A is a cell wall component produced by several strains of Staphylococcus aureus which binds to the Fc region of IgG.
Erythrocytapheresis can also be used for blood donations. The procedure is commonly done using automated red blood cell collection which involves the removal of two units of red blood cells. This includes either two standard units of red blood cells or one unit plus of red blood cells and another of either plasma or platelets.
Most blood transfusions involve adding blood or blood products without removing any blood, these are also known as simple transfusions or top-up transfusions. [ 3 ] [ 4 ] Exchange transfusion is used in the treatment of a number of diseases , including sickle-cell disease and hemolytic disease of the newborn .
During apheresis treatments adverse events such as anemia, citrate toxicity, central venous catheter safety and infections are notable. [2] [3] [8]Anemia: Anemia is related to numerous and/or consecutive treatments and/or large extracorporeal circuits that reduces the hemoglobin levels in pediatric patients.
Since the machine used to perform the procedure uses suction to draw blood out of a donor's body, some people who can give whole blood may have veins too small for platelet donation. Blood accounts for about 8% of body weight, so a 50 kg (110 lb) donor has about four liters of blood.
Usually to get skin tags, moles, tattoos, and other skin bumps and marks removed, you have to go to the dermatologist. But according to Dermavel, all you need to do is buy its plasma pen. Dermavel ...
Radiofrequency ablation (RFA) is a method of removing aberrant tissue from within the body via minimally invasive procedures, it is used to cure a variety of cardiac arrhythmia such as supraventricular tachycardia, Wolff–Parkinson–White syndrome (WPW), ventricular tachycardia, and more recently as management of atrial fibrillation.