OBJECTIVE: To describe the outcome of patients with juvenile idiopathic arthritis (JIA)
treated with subcutaneous (Sc) methotrexate (MTX) after failing oral MTX (either because of …

OBJECTIVE: To investigate the associations of gender and ethnic origin with longterm
outcome in childhood-onset systemic lupus erythematosus (SLE). METHODS: The study cohort …

Children with acute asthma exacerbations frequently present to an emergency department
with signs of respiratory distress. The most severe episodes are potentially life-threatening. …

OBJECTIVE: To assess the utility of the American College of Rheumatology guidelines for
monitoring methotrexate (MTX)-related toxicity in a cohort of children with juvenile idiopathic …

Croup is one of the most common causes of upper airway obstruction in young children. It is
characterized by sudden onset of barky cough, hoarse voice, inspiratory stridor and …

OBJECTIVE: To describe the frequency of abnormal bone mineralization in a population of
children with juvenile systemic lupus erythematosus (JSLE), juvenile dermatomyositis (JDM), …

Objective To describe the frequency of complementary and alternative medicine (CAM) use
in patients with juvenile idiopathic arthritis (JIA) and to explore whether CAM was associated …

Background Kawasaki Disease (KD) is the leading cause of acquired heart disease in children
in developed countries with a variable incidence worldwide. Previous studies reported an …

Objective To determine the reliability and validity of a Spanish version of the Childhood Health
Assessment Questionnaire (CHAQ). Methods Fifty-five patients with juvenile rheumatoid …

Objective To investigate the effect of HLA-B27 expression on entry of Salmonella typhimurium
and Yersinia enterocolitica into human cells. Methods We performed standard bacterial …