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Related Experiment Videos

Indication for plasma exchange for systemic necrotizing vasculidities.

Loïc Guillevin1, Christian Pagnoux

  • 1Department of Internal Medicine, Referral Center for Rare Diseases, Vasculitis and Scleroderma, Hôpital Cochin, AP-HP, Université de Paris René-Descartes, 27, rue du Faubourg Saint-Jacques, Paris, France. loic.guillevin@cch.aphp.fr

Transfusion and Apheresis Science : Official Journal of the World Apheresis Association : Official Journal of the European Society for Haemapheresis
|May 15, 2007
PubMed
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Plasma exchanges (PE) offer therapeutic benefits for various vasculitides, including virus-induced and antineutrophil cytoplasm antibody-associated types. While not improving survival, PE can improve renal function and limit disease severity in specific cases.

Area of Science:

  • Immunology
  • Nephrology
  • Virology

Background:

  • Plasma exchange (PE) is utilized in treating systemic necrotizing vasculitides and virus-induced vasculitides.
  • Antiviral agents combined with PE show efficacy in polyarteritis nodosa and HIV-associated vasculitis.
  • Hepatitis C virus-related cryoglobulinemia benefits from PE, but outcomes are limited by antiviral drug efficacy.

Purpose of the Study:

  • To evaluate the role and efficacy of plasma exchange in managing diverse vasculitis conditions.
  • To assess the impact of PE on renal function and survival in antineutrophil cytoplasm antibody-associated vasculitis.
  • To determine the contribution of PE to outcomes in vasculitides associated with viral infections.

Main Methods:

  • Review of therapeutic regimens incorporating plasma exchange for various vasculitides.

Related Experiment Videos

  • Analysis of treatment outcomes, including renal function, survival, and disease relapse.
  • Comparison of PE efficacy with other treatment modalities like cytotoxic agents and corticosteroids.

    • Main Results:

    • PE combined with antivirals is effective for polyarteritis nodosa and HIV-associated vasculitis, without compromising AIDS outcomes.
    • In hepatitis C virus-related cryoglobulinemia, PE improves outcomes but definitive recovery is achieved in only about half of patients.
    • PE use in antineutrophil cytoplasm antibody-associated vasculitis with renal insufficiency improves renal function, reducing dialysis need.
    • PE adjunction to standard therapy for alveolar hemorrhage may limit the severity of this manifestation, though survival is not improved.

    Conclusions:

    • Plasma exchange is a valuable therapeutic component for specific systemic necrotizing and virus-induced vasculitides.
    • PE can improve renal outcomes and mitigate disease severity in certain vasculitis patients.
    • Further research is needed to optimize PE efficacy, especially in cases with limited response to antiviral therapies.