Juvenile idiopathic oligoarthritis: analysis of 42 cases in Jordan

A M Al-Wahadneh1, A F Abu-Zeid, W H Khreisat

  • 1Paediatric Immunology Clinic, Department of Paediatrics, King Hussein Medical Centre, Royal Medical Services, Amman, Jordan. awah88@hotmail.com

Insights

Juvenile idiopathic oligoarthritis often presents as monoarthritis, primarily affecting the knee in young children. Many patients experienced delayed diagnosis due to extensive initial work-ups.

Area of Science:

  • Pediatric Rheumatology
  • Immunology

Background:

  • Juvenile idiopathic oligoarthritis (JIO) is a chronic autoimmune condition affecting children.
  • Early diagnosis and management are crucial for optimal outcomes in JIO.

Purpose of the Study:

  • To describe the clinical characteristics of JIO patients.
  • To evaluate the diagnostic process and identify potential delays in management.

Main Methods:

  • Retrospective chart review of 42 JIO patients diagnosed between 1995 and 2004.
  • Analysis of patient demographics, clinical presentation, joint involvement, and associated conditions like uveitis and antinuclear antibodies (ANAs).

Main Results:

  • The study included 42 patients (9 males, 33 females) aged 1.2-15.2 years.
  • Most patients (64%) presented with monoarthritis, commonly affecting the knee (71%).
  • Asymptomatic uveitis occurred in 21% of patients, particularly those under 3 years and with positive ANAs.

Conclusions:

  • JIO in this cohort was characterized by monoarthritis, often involving the knee.
  • A significant proportion of patients experienced delayed diagnosis, necessitating a review of diagnostic pathways.