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Related Experiment Video

Updated: Jun 6, 2025

Preliminary Study on Acupuncture Combined with Grain-sized Moxibustion for Treating Rheumatoid Arthritis with Finger Joint Pain
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[Reactive arthritis].

Markus Rihl1, Jens G Kuipers2

  • 1Rheumatologische Facharztpraxis, Jahnstr. 36, 83278, Traunstein, Deutschland. rihl@rheumapraxis-traunstein.de.

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|December 2, 2024
PubMed
Summary
This summary is machine-generated.

Reactive arthritis (ReA) is sterile joint inflammation triggered by an infection elsewhere in the body. Diagnosis involves clinical signs and infection evidence, with treatments including NSAIDs and immunomodulators.

Keywords:
ChlamydiaPersistencePrimary infectionSpondylarthritisSterile joint inflammation

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Area of Science:

  • Rheumatology
  • Immunology
  • Infectious Diseases

Context:

  • Reactive arthritis (ReA) is a sterile joint inflammation following an extra-articular infection, primarily bacterial (e.g., Chlamydia, enterobacteria) affecting urogenital, gastrointestinal, or respiratory tracts.
  • Pathogen components, not live bacteria, are often detected in the joint, suggesting persistent host-pathogen interactions.
  • ReA is classified as a spondyloarthritis (SpA) due to clinical similarities, including potential association with HLA-B27.

Purpose:

  • To define Reactive Arthritis (ReA) as a distinct clinical entity.
  • To outline the diagnostic criteria and common etiologies of ReA.
  • To summarize current treatment strategies for ReA.

Summary:

  • Reactive arthritis (ReA) is characterized by sterile joint inflammation post-infection, often involving Chlamydia or enterobacteria.
  • Diagnosis relies on clinical presentation, infection history, and exclusion of other arthritic causes.
  • Treatment encompasses NSAIDs, glucocorticoids, immunomodulators, and in refractory cases, biologics or JAK inhibitors; antibiotics are generally ineffective.

Impact:

  • Improved understanding of ReA pathogenesis, differentiating it from septic arthritis.
  • Guidance for clinicians in diagnosing and managing ReA patients.
  • Foundation for further research into targeted therapies for spondyloarthritis.