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Abstract
Therapeutic plasma exchange is a blood purification technique designed for the removal of large molecular weight toxins such as pathogenic antibodies and lipoproteins. Plasma exchange can be performed either by membrane separation or centrifugation. Centrifugal plasma exchange is more common in the United States, while membrane separation is more popular in Germany and Japan. The membrane separation technique is similar to the ultrafiltration procedures performed with a standard dialysis machine but in which the membrane’s pores are large enough to allow removal of all circulating molecules while retaining the cellular components. The current availability of plasma separation membranes compatible with CRRT systems has dramatically increased the potential for almost all nephrologists to perform these treatments. This review describes the membrane separation techniques available in the United States, the practical aspects of ordering and operating a membrane separation plasma exchange procedure, and its possible complications.
- clinical nephrology
- Plasmapheresis
- Plasma Exchange
- ultrafiltration
- Nephrologists
- Molecular Weight
- Centrifugation
- Kidneys
- Artificial
- Antibodies
- Lipoproteins
- renal dialysis
- Copyright © 2020 by the American Society of Nephrology
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- Article
- Abstract
- Introduction
- Principles of Blood Purification by Membrane Separation Plasma Exchange
- Mechanism of Plasma Separation by Membrane Filtration Plasma Exchange
- Membrane Separation Plasma Exchange Options Available in the United States
- Efficacy of Membrane Separation in Comparison with Centrifugal Plasma Exchange
- Kinetics of Ig Removal with Plasma Exchange
- Nephrology Consultations for Membrane Separation Plasma Exchange
- Access for Membrane Separation Plasma Exchange
- Anticoagulation for Membrane Separation Plasma Exchange
- Calculation of Plasma Volume
- Prescribing Replacement Solutions
- Machine Settings
- Complications
- Conclusions
- Disclosures
- Funding
- Footnotes
- References
- Figures & Data Supps
- Info & Metrics
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