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Polyarticular septic arthritis

J J Dubost1, I Fis, P Denis

  • 1Department of Rheumatology, Hôpital Gabriel-Montpied, Clermont-Ferrand, France.

Medicine
|September 1, 1993
PubMed
Summary
This summary is machine-generated.

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Polyarticular septic arthritis (PASA) often affects multiple joints, with Staphylococcus aureus as a common cause. Early joint aspiration is crucial for diagnosis and treatment, especially in patients with underlying rheumatic conditions.

Area of Science:

  • Rheumatology
  • Infectious Diseases
  • Clinical Medicine

Background:

  • Polyarticular septic arthritis (PASA) is a severe joint infection.
  • It represents a significant proportion of all septic arthritis cases.
  • Understanding its characteristics and risk factors is vital for patient outcomes.

Purpose of the Study:

  • To analyze the clinical features, causative agents, and outcomes of PASA.
  • To identify factors associated with a poor prognosis in PASA patients.
  • To emphasize the importance of early diagnosis and intervention.

Main Methods:

  • Retrospective review of 25 PASA cases over 13 years.
  • Analysis of patient demographics, clinical presentation, causative microorganisms, and treatment.

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  • Comparison with existing literature data.

    • Main Results:

    • Knee was the most common site; an average of 4 joints were involved.
    • Staphylococcus aureus was the predominant pathogen (20/25 cases).
    • Rheumatoid arthritis was a frequent underlying condition (13/25), often associated with skin lesions.
    • Mortality rate was 32% (8/25), with advanced age, rheumatoid arthritis, and staphylococcal infection as poor prognostic factors.

    Conclusions:

    • PASA can present with subtle symptoms, including low-grade fever and normal white blood cell counts.
    • Early joint aspiration is critical for diagnosis, even in the presence of underlying rheumatic disease.
    • Prompt and appropriate antibiotic therapy is essential, though prognosis remains guarded.