PLASMA EXCHANGES Meaning and
Definition
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Plasma exchanges, also known as plasmapheresis, is a medical procedure that involves the removal, separation, and replacement of plasma in the blood. Plasma, the yellowish fluid component of the blood, contains various substances crucial for the body's normal functioning, such as proteins, hormones, electrolytes, and immunoglobulins.
During a plasma exchange procedure, a patient's blood is drawn through a catheter or needle and is passed through a machine called a centrifuge, which separates the plasma from the other blood components, such as red and white blood cells and platelets. The plasma is then discarded, and the remaining components are combined with fresh or donated plasma or a substitute fluid. This mixture is subsequently reinfused into the patient's bloodstream.
Plasma exchanges are commonly utilized to treat a variety of medical conditions, including autoimmune disorders, such as Guillain-Barré syndrome, chronic inflammatory demyelinating polyneuropathy, and myasthenia gravis. It can also be utilized to remove or reduce excessive substances in the blood, such as certain types of circulating antibodies or toxins. By selectively removing and replacing the plasma, plasma exchanges help modulate the immune system, remove harmful substances, and promote the regeneration of healthy blood components.
Plasma exchanges are typically performed under the supervision and guidance of trained medical professionals in a hospital or clinical setting. The frequency and duration of the procedure vary depending on the specific condition being treated and the patient's response to treatment. Close monitoring of patients during and after the procedure is essential to ensure their safety and well-being.
Common Misspellings for PLASMA EXCHANGES
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Etymology of PLASMA EXCHANGES
The word "plasma" refers to the colorless fluid part of blood, while "exchange" implies the act of replacing something. Therefore, "plasma exchanges" can be understood as the procedure of replacing or removing plasma from a person's blood. The etymology of the word "plasma" originates from the Ancient Greek word "plásma" (πλάσμα), meaning "something molded or formed". In the context of blood plasma, it is called so because it is a liquid component that carries cells, nutrients, hormones, antibodies, and other vital substances throughout the body. Meanwhile, "exchange" comes from the Latin word "exchangium", which means "the act of giving and receiving".
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