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Vasculitis associated with rheumatoid arthritis.

R S Vollertsen1, D L Conn

  • 1Division of Rheumatology and Internal Medicine, Mayo Clinic, Rochester, Minnesota.

Rheumatic Diseases Clinics of North America
|May 1, 1990
PubMed
Summary

Rheumatoid vasculitis, a complication of rheumatoid arthritis, presents with skin ulcers and nerve damage. Diagnosis often relies on clinical signs, with treatment tailored to severity, including immunosuppressants for severe cases.

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Area of Science:

  • Rheumatology
  • Immunology
  • Vascular Medicine

Background:

  • Vasculitis can occur with rheumatoid arthritis, necessitating differentiation from rheumatoid arthritis-associated vascular disease and isolated digital vasculitis.
  • The exact cause of clinical rheumatoid vasculitis remains unknown, though immune system dysregulation is suspected.
  • Classic symptoms include ischemic ulcers, digital gangrene, palpable purpura, and mononeuritis multiplex.

Purpose of the Study:

  • To differentiate vascular involvement in rheumatoid arthritis from rheumatoid vasculitis.
  • To outline the clinical manifestations, diagnostic approaches, and therapeutic strategies for rheumatoid vasculitis.

Main Methods:

  • Review of clinical manifestations, diagnostic findings, and treatment outcomes for rheumatoid vasculitis.

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  • Analysis of laboratory findings, including rheumatoid factor, cryoglobulins, and complement levels.
  • Discussion of diagnostic confirmation via biopsy or angiography versus clinical diagnosis.

    • Main Results:

    • Immune factors like high rheumatoid factor titers and HLA-DR4 suggest an immune etiology for rheumatoid vasculitis.
    • Cutaneous and neurological symptoms are common, but systemic involvement (renal, ocular, pleural) can also occur.
    • Laboratory findings often overlap with uncomplicated rheumatoid arthritis, limiting their diagnostic utility.

    Conclusions:

    • Distinguishing rheumatoid vasculitis from rheumatoid arthritis requires careful clinical evaluation, as laboratory markers have limited discriminatory power.
    • Treatment is guided by clinical presentation, ranging from supportive care for mild cases to immunosuppressive therapy for severe manifestations.
    • Early recognition and appropriate management are crucial for improving outcomes in patients with rheumatoid vasculitis.