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Plasmapheresis is done to exchange plasma in the blood. Plasma is the liquid part of the blood. It doesn't have any cells. The plasma is removed. Then, fresh plasma or a plasma substitute is added back to the blood.
Plasmapheresis takes out certain proteins from the plasma. They're called autoantibodies. They mistakenly attack your body’s own healthy cells. In some cases, it's used to take out toxins or other substances from the blood.
Plasmapheresis is used to treat:
Problems from the procedure are rare, but all procedures have some risk. Your doctor will review possible problems such as:
This may not work well for people who have certain blood clotting problems. Talk to your doctor about any problems you may have.
Leading up to your procedure:
The day of your treatment:
Anesthesia is not needed for this procedure.
Two needles attached to a tube will be placed into veins. They may be placed in different parts of the body. A long duration catheter will be inserted if the veins are too small. It will be placed in the shoulder or groin area.
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Blood will be taken out of the body through one of the tubes. It will then go into a special machine. The machine separates the blood and plasma. In one method, the blood cells may be separated from the plasma by spinning it at high speeds. Another method uses a special membrane. The membrane has tiny pores that only the plasma can pass through. This leaves blood cells behind. The blood cells are mixed with fresh plasma or a plasma substitute. The new mixed blood will then be returned to the body through the other tube.
You will be asked to rest for a short period of time.
You may feel a sting when the needles are inserted.
You will be able to leave the same day. Once you rest and you are cleared, you can go home. If you have problems, you may need to stay longer.
You may feel better within days or weeks. It depends on the problems you were having. Your doctor will let you know how often you will need to have this done.
Call your doctor if any of these occur:
If you think you have an emergency, call for emergency medical services right away.
Muscular Dystrophy Association
Myasthenia Gravis Foundation of America
Canadian Hemophilia Society
Muscular Dystrophy Canada
Myasthenia gravis. EBSCO DynaMed Plus website. Available at:http://www.dynamed.com/topics/dmp~AN~T113873/Myasthenia-gravis. Updated September 19, 2017. Accessed August 21, 2018.
Plasmapheresis. Johns Hopkins Medicine website. Available at: https://www.hopkinsmedicine.org/transplant/programs/kidney/incompatible/plasmapheresis.html. Accessed August 21, 2018.
Plasmapheresis. Myasthenia Gravis Foundation of America, Inc. website. Available at: http://www.myasthenia.org/LinkClick.aspx?fileticket=1BtivQfbFNM%3d&tabid=84. Accessed August 21, 2018.
Plasmapheresis. National Multiple Sclerosis Society website. Available at: https://www.nationalmssociety.org/Treating-MS/Managing-Relapses/Plasmapheresis. Accessed August 21, 2018.
Last reviewed May 2018 by EBSCO Medical Review Board Marcin Chwistek, MD Last Updated: 8/21/2018