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Polymyalgia rheumatica.

Miguel A González-Gay1, Eric L Matteson2, Santos Castañeda3

  • 1Division of Rheumatology and Epidemiology, Genetics and Atherosclerosis Research Group on Systemic Inflammatory Diseases, Hospital Universitario Marqués de Valdecilla, Instituto de Investigación Marqués de Valdecilla, University of Cantabria, Santander, Spain; Cardiovascular Pathophysiology and Genomics Research Unit, School of Physiology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.

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Summary
This summary is machine-generated.

Polymyalgia rheumatica (PMR) is an inflammatory condition affecting older adults, often responding well to prednisolone but with common relapses. Further research is needed for biological therapies in refractory cases.

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Area of Science:

  • Rheumatology
  • Immunology
  • Internal Medicine

Background:

  • Polymyalgia rheumatica (PMR) is an inflammatory disorder impacting shoulders, pelvic girdles, and neck in individuals over 50.
  • Elevated acute phase reactants are characteristic of PMR.
  • PMR can occur independently or alongside giant cell arteritis, and can be mimicked by various other conditions.

Purpose of the Study:

  • To summarize the key aspects of polymyalgia rheumatica, including its presentation, diagnosis, and management.
  • To highlight the role of imaging and current therapeutic strategies.
  • To identify areas for future research, particularly in refractory cases.

Main Methods:

  • Review of existing literature on polymyalgia rheumatica.
  • Analysis of diagnostic features, including imaging findings like bursitis and PET scans.
  • Evaluation of treatment outcomes with glucocorticoids and other therapies.

Main Results:

  • PMR affects individuals over 50, with typical inflammatory markers.
  • Bursitis is common on imaging; PET scans may show vascular uptake.
  • Prednisolone (12.5-25.0 mg daily) provides rapid symptom relief, but relapses occur frequently upon tapering.
  • Methotrexate is an option for relapsing cases; biologics like anti-IL-6 require more study.

Conclusions:

  • PMR is a treatable inflammatory condition, primarily managed with glucocorticoids.
  • Relapse prevention and management of glucocorticoid-refractory PMR remain challenges.
  • Further investigation into novel therapies like biologics is warranted for difficult-to-treat PMR.