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Giant cell arteritis involving the lower limbs

R Dupuy1, P Mercié, D Neau

  • 1Internal Medicine and Vascular Diseases Department, Saint-André Hospital, Bordeaux Teaching Hospital, France.

Revue Du Rhumatisme (English Ed.)
|July 1, 1997
PubMed
Summary

Giant cell arteritis can affect lower limb arteries, causing severe leg pain and potentially gangrene. Early corticosteroid treatment is crucial to prevent limb loss and improve outcomes in this rare presentation.

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Area of Science:

  • Vascular Medicine
  • Rheumatology
  • Inflammatory Diseases

Background:

  • Giant cell arteritis (GCA) is a systemic vasculitis.
  • It typically affects large and medium-sized arteries, often the cranial arteries.
  • GCA can manifest in various arterial beds, though lower limb involvement is less common.

Observation:

  • Two cases of GCA involving lower limb arteries are presented.
  • Initial symptom was severe intermittent claudication (walking distance ~30m).
  • Diagnosis was confirmed via superficial femoral artery biopsy in one case; ergotamine toxicity was a differential diagnosis in the other.

Findings:

  • Giant cell arteritis can present with lower limb ischemia.
  • Prompt diagnosis and treatment with effective corticosteroid doses are vital.

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  • Delayed treatment can lead to irreversible arterial stenosis and fibrosis.

    • Implications:

    • Highlights the importance of considering GCA in patients with lower limb claudication.
    • Emphasizes the need for early intervention to prevent critical limb ischemia and amputation.
    • Underscores the potential for long-term vascular damage if GCA treatment is delayed.