VA Ambulatory Report 1.10.18 – Aches and Pains all over – PMR and RA

Thank you Monica for presenting the case of an elderly gentleman presenting with chronic fatigue, muscle aches, wrist and hand joint pain, and weight loss found to have PMR and RA.

Learning Peals  Screen Shot 2017-10-11 at 12.58.11 PM

  1. LT’s pearl: Many patients with PMR present with acute onset of symptoms
  2. Other lab findings that may be present in patients with PMR: mild normocytic anemia, elevated alk phos (although more common in patients with GCA)
  3. Patients with PMR only need temporal artery biopsy if they have symptoms of arteritis. About 5-30% of patients with PMR will have GCA

 

Polymyalgia Rheumatica Refresher

  • Clinical Manifestations
    • Proximal pain and morning stiffness
      • Shoulder pain is the most common symptom
      • LT’s pearl: Many patients report acute onset of symptoms
      • Distal symptoms occur in ~50% of patients including peripheral arthritis, carpal tunnel, pitting edema of hands and feet)
    • Systemic symptoms (fever, weight loss, malaise) are present in ~1/3 of patients
    • Laboratory Findings
      • Elevated inflammatory markers
      • Non specific findings (not present in all patients)
        • Mild normocytic anemia
        • Elevated Alk Phos – although more common in patients with GCA
  • Diagnosis
    • No other systemic disease to explain symptoms
    • Onset of symptoms after age 50
    • Proximal aching and morning stiffness lasting >30 minutes for at least 2 weeks
      • LT’s pearl: Many patients report acute onset of symptoms
      • Shoulder pain is the most common presenting symptom
    • ESR > 40
    • Rapid resolution of symptoms with prednisone
      • Lack of response strongly suggests another diagnosis
    • There are no set diagnostic criteria, but the ACR/EULAR have proposed criteria to be used in research studies but do not recommend use for diagnosis in individual patients
    • Atypical PMR
      • Asymmetric symptoms
      • Low ESR
        • Some patients have normal or mildly elevated ESR (7-20% at time of diagnosis)
          • Check CRP
          • If both ESR and CRP are normal, much less likely to be PMR
  • Does my patient with PMR have GCA?
    • 50% of patients with GCA have PMR. Of those with PMR, 5-30% get GCA
    • Clinical manifestations of GCA
    • Only need to get temporal artery biopsy if the patient is having symptoms of temporal arteritis
  • Treatment
    • Goal of therapy: Improve symptoms
    • Starting dose: 15-20 mg prednisone per day
    • After a period of quiescence (2-4 weeks) then start a slow taper by 10-20% every 2-4 weeks
    • 50% of patients will have recrudesce of their symptoms and need re-treatment with steroids or increase in their steroids

Evernote Link: https://www.evernote.com/l/AMr2DzbkfG9K56vgSepfENvXq9AhGchMp04

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