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Juvenile idiopathic arthritis profile in Turkish children

Mustafa Yilmaz1, Seval G Kendirli, Derya U Altintas

  • 1Division of Pediatric Allergy and Immunology, Cukurova University Faculty of Medicine, Adana, Turkey. yilmazm@cu.edu.tr

Pediatrics International : Official Journal of the Japan Pediatric Society
|March 21, 2008
PubMed

Insights

Juvenile idiopathic arthritis (JIA) in Turkish children presents differently than in Western populations, with a higher incidence of polyarticular JIA and a greater prevalence in boys. This study highlights distinct clinical and laboratory features in this demographic.

Area of Science:

  • Pediatric Rheumatology
  • Clinical Immunology
  • Genetics and Epidemiology

Background:

  • Juvenile idiopathic arthritis (JIA) is a diverse autoimmune condition with varying manifestations across different global populations.
  • Previous studies suggest geographical differences in JIA presentation, necessitating localized research.
  • Understanding these variations is crucial for accurate diagnosis and tailored treatment strategies.

Purpose of the Study:

  • To investigate the specific clinical and laboratory characteristics of JIA in a cohort of Turkish children.
  • To compare the findings in Turkish children with those reported in Western populations.
  • To identify potential genetic or environmental factors influencing JIA expression in Turkey.

Main Methods:

  • A retrospective analysis of 196 pediatric patients diagnosed with JIA according to International League of Associations for Rheumatology (ILAR) criteria.
  • Collection of demographic data, disease onset, diagnosis age, and follow-up duration.
  • Laboratory investigations included antinuclear antibody (ANA), rheumatoid factor (RF), and human leukocyte antigen B-27 (HLA-B27).

Main Results:

  • Polyarticular JIA was the most common subtype (37.2%), followed by oligoarthritis (34.2%).
  • The study observed a higher prevalence in boys (102 boys vs. 94 girls) and a lower rate of antinuclear antibody (ANA) positivity (14.2%).
  • Uveitis was less common, and three patients (1.4%) developed amyloidosis.

Conclusions:

  • Turkish children exhibit distinct JIA features compared to Western cohorts, including a higher frequency of polyarticular JIA and male predominance.
  • Lower rates of ANA positivity and uveitis were noted in this Turkish cohort.
  • Further research is warranted to elucidate the impact of genetic and environmental factors on JIA presentation in diverse populations.
Abstract

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