apheresis


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apheresis

(əfĕr`əsĭs), or

hemapheresis

(hē'məfĕr`əsĭs), any procedure in which bloodblood,
fluid pumped by the heart that circulates throughout the body via the arteries, veins, and capillaries (see circulatory system; heart). An adult male of average size normally has about 6 quarts (5.6 liters) of blood.
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 is drawn from a donor or patient and a component (platelets, plasmaplasma,
in physics, fully ionized gas of low density, containing approximately equal numbers of positive and negative ions (see electron and ion). It is electrically conductive and is affected by magnetic fields.
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, or white blood cells) is separated out, the remaining blood components being returned to the body. Apheresis allows the donor's blood volume to replenish itself much more quickly than whole blood donation. One type of apheresis, plasmapheresis, is commonly used in commercial blood banksblood bank,
site or mobile unit for collecting, processing, typing, and storing whole blood, blood plasma and other blood constituents. Most hospitals maintain their own blood reserves, and the American Red Cross provides a nationwide collection and distribution service.
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. In plasmapheresis the plasma (the liquid portion of the blood) is separated from donated blood, the red blood cells being returned to the donor. In some diseases, such as myasthenia gravismyasthenia gravis
, chronic disorder of the muscles characterized by weakness and a tendency to tire easily. It is caused by an autoimmune attack on the acetylcholine receptor of the post synaptic neuromuscular junction.
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, plasmapheresis is used to attempt to remove the disease-causing substances from the blood.
References in periodicals archive ?
Reliance supply of diagnostic systems and immunoematologia plasmapheresis and apheresis multicomponent be allocated to SC Immunohaematology and Transfusion Medicine of the USL Valle d~Aosta for a duration of 5 years from the date of the successful testing of diagnostics - Number race 6174127The supply is divided into the following two lots Lotto 1 - CIG 6405999D98 (Immuno) - 404 000 EUR excluding, security charges including interferenceLot 2 - IGC 64060095DB (plasmapheresis and multicomponent apheresis) - 468 000 EUR before taxes, security charges including interference.
Apheresis is a special process where whole blood is removed from a patient, separated into its components, including plasma and red blood cells, and re-transfused into the patient after removing and replacing the blood component that contributes to a disease.
The Shaikh Khalifa Medical City (SKMC) has completed 500 apheresis sessions over the past three years.
Apheresis machine dominated the overall product market in terms of share in 2013, mainly due to its high price.
Loyola is among a handful of centers in the Midwest - and the only academic medical center in Chicago -- to offer LDL apheresis.
This report on the global apheresis equipment market includes the different facets of therapeutic apheresis, donor apheresis, and the apheresis devices market.
The decision of whether the donation occurs through aspiration or apheresis should be based on the best clinical judgment of the patient's physician, and will vary from patient to patient," said Boo.
The plant will produce the 'Plasmaflo' separator for plasmapheresis, 'Excelflo' filter for continuous renal replacement therapy (CRRT), 'Cellsorba' leukocytapheresis column, and other therapeutic apheresis devices.
Discussion: Pegfilgrastim as compared with filgrastim resulted in decreased cytokine cost and fewer injections with a comparable number of CD34+ cells mobilized and no significant difference in the number of apheresis collection procedures performed or time to engraftment.
FDA-approved indications for lipid apheresis include people with LDL levels of 300 or more, despite medical therapy, and patients with heart disease who are unable to reduce their LDL cholesterol levels below 200 with diet and medications.
The Apheresis Unit, Holland Drive, Newcastle, will now open on Monday and Wednesday from noon until 7pm, and on Tuesday, Thursday and Friday from 8.