PREVALENCE OF JUVENILE IDIOPATHIC ARTHRITIS IN SCHOOLCHILDREN FROM THE CITY OF SAO PAULO, THE LARGEST CITY IN LATIN AMERICA

PREVALENCE OF JUVENILE IDIOPATHIC ARTHRITIS IN SCHOOLCHILDREN FROM THE CITY OF SAO PAULO, THE LARGEST CITY IN LATIN AMERICA

SCHINZEL, VANIA; SILVA, SIMONE GUERRA LOPES DA; PALUDO, GIOVANA; ROCHA, ALINE; LEN, CLÁUDIO ARNALDO; TERRERI, MARIA TERESA DE SANDE E LEMOS RAMOS ASCENSÃO

Tema Livre:

Juvenile idiopathic arthritis (JIA) is a chronic inflammatory disease that affects children and adolescents. Its prevalence varies greatly from one study to another according to the population and methodology. Some tools may be helpful in screening for suspected cases. The aim of this study is determine the prevalence of JIA in children and adolescent students in the city of São Paulo, Brazil.

Materials and methods

This cross-sectional study was conducted from March 2016 to November 2017. It was based on a populational study envolving school children and adolescents from São Paulo, the largest city of Brazil. We randomly selected students under 16 years old from private schools with more than 1000 students who were evaluated through a specific questionnaire for screening suspected cases of chronic arthropathy (Early Diagnosis of Chronic Arthritis - 12 items – EDA-12) and subsequent anamnesis and rheumatologic physical examination for diagnostic confirmation.

Results

We contacted all 79 schools in the universe, of which 12(15,18%) agreed to participate in the study. A total of 21,119 questionnaires were handed out to the parents. We obtained a response of 5,710 (27%). In 108 cases the EDA-12 score was considered positive (≥ 5). We examined all these 108 "suspicious" children. In 10 cases, the rheumatologic evaluation confirmed the diagnosis of arthritis, since the subjects presented a history and physical examination compatible with JIA. The prevalence of JIA in children and adolescents was 0.196% (95% CI = 0.104% - 0.371%).

Conclusion

In this first Brazilian population study to evaluate the prevalence of JIA, we observed that the disease is relatively prevalent in our country (196 / 100.000 children), which is similar to that observed in other studies involving children from urban centers.

Juvenile idiopathic arthritis (JIA) is a chronic inflammatory disease that affects children and adolescents. Its prevalence varies greatly from one study to another according to the population and methodology. Some tools may be helpful in screening for suspected cases. The aim of this study is determine the prevalence of JIA in children and adolescent students in the city of São Paulo, Brazil.

Materials and methods

This cross-sectional study was conducted from March 2016 to November 2017. It was based on a populational study envolving school children and adolescents from São Paulo, the largest city of Brazil. We randomly selected students under 16 years old from private schools with more than 1000 students who were evaluated through a specific questionnaire for screening suspected cases of chronic arthropathy (Early Diagnosis of Chronic Arthritis - 12 items – EDA-12) and subsequent anamnesis and rheumatologic physical examination for diagnostic confirmation.

Results

We contacted all 79 schools in the universe, of which 12(15,18%) agreed to participate in the study. A total of 21,119 questionnaires were handed out to the parents. We obtained a response of 5,710 (27%). In 108 cases the EDA-12 score was considered positive (≥ 5). We examined all these 108 "suspicious" children. In 10 cases, the rheumatologic evaluation confirmed the diagnosis of arthritis, since the subjects presented a history and physical examination compatible with JIA. The prevalence of JIA in children and adolescents was 0.196% (95% CI = 0.104% - 0.371%).

Conclusion

In this first Brazilian population study to evaluate the prevalence of JIA, we observed that the disease is relatively prevalent in our country (196 / 100.000 children), which is similar to that observed in other studies involving children from urban centers.

Palavras-chave:

DOI: 10.5151/sbr2019-547

Referências bibliográficas

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Como citar:

SCHINZEL, VANIA; SILVA, SIMONE GUERRA LOPES DA; PALUDO, GIOVANA; ROCHA, ALINE; LEN, CLÁUDIO ARNALDO; TERRERI, MARIA TERESA DE SANDE E LEMOS RAMOS ASCENSÃO; "PREVALENCE OF JUVENILE IDIOPATHIC ARTHRITIS IN SCHOOLCHILDREN FROM THE CITY OF SAO PAULO, THE LARGEST CITY IN LATIN AMERICA", p-547-547. In: Anais do 36º Congresso Brasileiro de Reumatologia. [ISBN 978-85-212-1892-0]. São Paulo: Blucher, 2019.
ISSN 23577282, DOI 10.5151/sbr2019-547