BACKGROUND Instruments for field diagnosis of eczema are increasingly used, and it is essential to understand specific limitations to make best use of their strengths. Our objective was to assess the validity of ISAAC and UK Working Party criteria for field diagnosis of eczema in children. METHODS We performed a cohort study in urban Brazil. Parents/guardians of 1,419 children answered ISAAC ...

the prevalence of asthma remains difficult to determine with precision with no absolute or gold standard for diagnosis. international study of asthma and allergies in childhood (isaac) developed video questionnaire for epidemiological studies with less reliance on understanding written asthma questionnaire. the aim of this research was to determine the agreement between the isaac written and vi...

In the distance, you see a figure walking toward you. At some point you might say, “That looks as though it could be Isaac.” A minute later, when he’s fifty meters away, you might say, “That looks as though it’s probably Isaac.” Eventually, when he’s only a few meters away, you might say, “This is Isaac.” All of these reports reflect your confidence at the level of belief—your doxastic confiden...

introduction allergic rhinitis, like other allergic diseases, is one of the most common disorders during childhood; this study was conducted to assess and compare the prevalence and severity of allergic rhinitis in children and adolescents living in kurdistan province. the study was aimed to provide a ground for the identification of likely causes and risk factors of this disorder. materials an...

eczema is a very common disorder that affects children. to find out the national prevalence of eczema in iranian children, we conducted a systematic review and meta-analysis. we conducted a literature review by using the google scholar, pubmed in medline area, altavista, iranmedex and magiran in august 2013. the search terms included: prevalence, eczema, children, pediatric, allergy, isaac and ...