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Related Experiment Videos

Fibromyalgia--a clinical entity?

K G Henriksson1, A Bengtsson

  • 1Neuromuscular Unit, University Hospital, Linköping, Sweden.

Canadian Journal of Physiology and Pharmacology
|May 1, 1991
PubMed
Summary
This summary is machine-generated.

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Fibromyalgia (FM) is a complex syndrome causing widespread pain and fatigue. Recent diagnostic criteria improve accuracy, revealing physiological disturbances like altered muscle microcirculation and sleep patterns.

Area of Science:

  • Rheumatology
  • Clinical Medicine
  • Pain Medicine

Background:

  • Fibromyalgia (FM) is a syndrome defined by widespread musculoskeletal pain, fatigue, and unrefreshing sleep.
  • The American College of Rheumatology (ACR) has established new diagnostic criteria for FM.
  • These ACR criteria demonstrate high diagnostic specificity, sensitivity, and accuracy.

Purpose of the Study:

  • To summarize the key characteristics and diagnostic criteria of Fibromyalgia.
  • To review the current understanding of the physiological underpinnings of FM.
  • To discuss the nature of pain and sleep disturbances in FM.

Main Methods:

  • Review of the American College of Rheumatology (ACR) diagnostic criteria for FM.
  • Analysis of laboratory findings related to muscle physiology in FM patients.

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  • Examination of pain analysis data and sleep study results in FM.

    • Main Results:

    • Laboratory investigations reveal disturbed microcirculation in painful muscles, decreased adenosine triphosphate and phosphocreatine, and reduced muscle relaxation rates.
    • Pain analyses indicate that the pain experienced in FM is nociceptive in origin.
    • A characteristic physiological sleep disturbance in FM correlates with reported symptoms.

    Conclusions:

    • Fibromyalgia is a clinical entity recognized as a syndrome rather than a distinct disease.
    • The etiology of Fibromyalgia remains unknown and may vary among patients.
    • Established ACR criteria provide a reliable framework for diagnosing Fibromyalgia.