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[Rheumatic fever: atypical joint manifestations].

M O Hilário1, C Len, J Goldenberg

  • 1Departamento de Pediatria da Escola Paulista de Medicina, São Paulo.

Revista Da Associacao Medica Brasileira (1992)
|October 1, 1992
PubMed
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Diagnosing rheumatic fever (RF) is challenging due to varied symptoms and few specific tests. Arthritis, a common but non-specific sign, often requires other major criteria like carditis or chorea for definitive diagnosis in pediatric cases.

Area of Science:

  • Pediatrics
  • Rheumatology
  • Infectious Diseases

Context:

  • Rheumatic fever (RF) diagnosis presents challenges in pediatrics.
  • The polymorphism of clinical presentation and lack of specific lab tests complicate RF diagnosis.
  • Arthritis is the most frequent yet least specific of the Jones' major criteria.

Purpose:

  • To analyze the clinical presentation of arthritis in pediatric rheumatic fever.
  • To evaluate the diagnostic utility of arthritis as a sole major criterion in RF.
  • To highlight the importance of carditis or chorea in confirming RF with atypical articular involvement.

Summary:

  • A study of 93 children with 117 RF flares found arthritis was the only major criterion in 45% of cases.
  • Migratory arthritis occurred in 64% of flares, with polyarthritis being most common (64%).

Related Experiment Videos

  • Definitive RF diagnosis with isolated atypical arthritis required co-occurring carditis or chorea.

    • Impact:

    • Physicians must recognize atypical presentations of RF, especially when arthritis is the sole major criterion.
    • This study emphasizes the need for careful evaluation beyond just arthritis for accurate RF diagnosis in children.
    • Increased awareness of atypical RF manifestations can improve diagnostic accuracy and patient outcomes.