[Myalgia in polymyalgia rheumatica, temporal arteritis and other vasculitides]

W A Schmidt1

  • 1Rheumaklinik Berlin-Buch, Immanuel Krankenhaus GmbH, Lindenberger Weg 19, 13125 Berlin. w.schmidt@immanuel.de

Insights

Polymyalgia rheumatica (PMR) causes muscle pain, often seen with giant cell arteritis. Diagnosis involves elevated inflammatory markers and imaging, with treatment starting on prednisolone.

Area of Science:

  • Rheumatology
  • Internal Medicine
  • Vasculitis

Context:

  • Myalgias are a primary symptom in polymyalgia rheumatica (PMR).
  • Approximately 45% of giant cell arteritis patients exhibit PMR symptoms.
  • Other vasculitides can also manifest with arthralgia and myalgia.

Purpose:

  • To summarize the key features, diagnostic findings, and treatment of polymyalgia rheumatica.
  • To highlight the association between PMR and giant cell arteritis.
  • To differentiate PMR from other conditions like rheumatoid arthritis.

Summary:

  • Characteristic symptoms include shoulder, pelvic, neck, and thoracic spine pain, malaise, morning stiffness, and weight loss.
  • Elevated C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR) are common.
  • Imaging reveals synovitis, tenosynovitis, and bursitis in the shoulder and hip.
  • Initial treatment involves a prednisolone dosage of 15-25 mg/day, with a gradual dose reduction schedule.

Impact:

  • Provides a concise overview for clinicians managing patients with suspected PMR.
  • Emphasizes the importance of distinguishing PMR from other inflammatory conditions.
  • Outlines a standard therapeutic approach for polymyalgia rheumatica management.

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