Plasma exchange
Plasma Exchange
Plasma exchange (pronunciation: /ˈplazmə ɪksˈtʃeɪndʒ/), also known as plasmapheresis (pronunciation: /ˌplazməˈfɪərɪsɪs/), is a medical procedure that involves removing, treating, and returning the blood plasma or components thereof from the blood circulation. It is used to treat a variety of autoimmune disorders, including Guillain-Barré syndrome, chronic inflammatory demyelinating polyneuropathy, and Goodpasture's syndrome.
Etymology
The term "plasma exchange" is derived from the Greek words "plasma" (meaning "something molded") and "exchange" (from the Latin "ex-" meaning "out" and "change"). "Plasmapheresis" is derived from the Greek words "plasma" and "aphairesis" (meaning "removal").
Procedure
Plasma exchange involves the removal of blood from the body, similar to dialysis. The blood is then separated into its components, with the plasma being removed and replaced with a substitute fluid. The treated blood is then returned to the body. The procedure is typically performed in a hospital or clinic setting.
Related Terms
- Apheresis: The general term for the removal of blood components from the body.
- Leukapheresis: A similar procedure to plasma exchange, but specifically targets white blood cells.
- Therapeutic plasma exchange: Another term for plasma exchange, emphasizing its use as a treatment method.
- Cytapheresis: A procedure that removes specific cellular components from the blood.
External links
- Medical encyclopedia article on Plasma exchange
- Wikipedia's article - Plasma exchange
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