Results: The underlying diseases included the congenital heart diseases in 35 patients(67.3%), rheumatic heart diseases in 10(19.2%) and no underlying diseases in 7(13.5%).

According to FDA, about 30,000 to 60,000 children in the U. s. have rheumatoid arthritis. Drugs approved to treat the condition include aspirin, ibuprofen and naproxen.

Also be used for rheumatoid arthritis, children with nephritic syndrome and autoimmune diseases.