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Related Experiment Videos

New directions in plasma exchange.

J L Winters1, A A Pineda

  • 1Laboratory Medicine and Pathology, Mayo Medical School and Division of Tranfusion Medicine, Mayo Clinic and Mayo foundation, Rochester, Minnesota 55905, USA.

Current Opinion in Hematology
|October 18, 2003
PubMed
Summary
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Therapeutic plasma exchange is confirmed for Guillain-Barré syndrome. Evidence is insufficient for myasthenia gravis, but it may benefit sepsis patients with abdominal infections. Plasma exchange offers no benefit for Wegener granulomatosis with severe renal dysfunction.

Area of Science:

  • Nephrology
  • Neurology
  • Critical Care Medicine

Background:

  • Therapeutic plasma exchange (TPE) is an extracorporeal procedure that removes and replaces patient plasma.
  • Its efficacy varies across different autoimmune and systemic diseases.

Purpose of the Study:

  • To review the literature published in 2002 concerning the applications of therapeutic plasma exchange.
  • To evaluate the evidence for TPE in specific conditions like Guillain-Barré syndrome, myasthenia gravis, sepsis, and Wegener granulomatosis.

Main Methods:

  • A Medline search was conducted to identify relevant articles published in 2002.
  • A critical review of 11 selected articles from the identified literature was performed.

Main Results:

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  • Literature confirmed TPE efficacy in Guillain-Barré syndrome.
  • Inadequate evidence supported long-term TPE use for myasthenia gravis.
  • A randomized trial suggested TPE may benefit a subset of sepsis patients (abdominal infections).
  • A case series indicated TPE provided no additional benefit over immunosuppressive therapy for Wegener granulomatosis with severe renal dysfunction.

Conclusions:

  • TPE remains a validated treatment for Guillain-Barré syndrome.
  • Further research is needed to establish TPE's role in myasthenia gravis and sepsis.
  • TPE is not recommended for Wegener granulomatosis with severe renal dysfunction.