Ascariasis and asthma in children
Ascariasis and asthma in children 2 to 10 years in an outlying neighborhood
Asthma and ascariasis in children aged two to ten living in a low income suburb
Asthma is a chronic disease very common in children, translated by episodes of wheezing lungs, and their severity is increasing in several countries mundo1. As you know, genetic predisposition is the strongest risk factor, but many others involved, such as environmental factors, diet, smoking, industrialization and increased air pollution in major metrópoles2. The prevalence of asthma in Brazil has been estudada3, using a standardized questionnaire of the International Study of Asthma and Allergies in Childhood (ISAAC). In children of Recife, Salvador, Sao Paulo, Curitiba and Porto Alegre, the prevalence of "wheezing ever" ranged from 39.0% to 47.0% 4.
On the other hand, ascariasis is one of the most common parasites in Brazil, especially in rural areas, where they were observed prevalence of 74.8% and 75.2% respectively, in Lucena & Magalhaes Neto and Pereira et al. In Pernambuco5. In another population of Campina Grande, with similar social characteristics, Pereira et al.11 found prevalence of ascariasis of 54.2%. Also in the Northeast, in the large cities (Recife), with the occupation of the chaotic urban peripheries, without basic health structure, it is believed that the significant increase occurring enteroparasitoses, with prevalence of 56% to 76.8% 5.
The possible association between asthma and ascariasis was proposed by Lynch et al. (1998), studying two groups of children in the same socioeconomic level, and with equal exposure to helminths, differentiating them only by the prevalence of asma6. Despite the same conditions of life, the intensity of parasitic infection was higher among children not allergic. In anterior7 work, it was observed that in endemic areas of ascariasis and after treatment with anti-helmÃnticos, there is reduction in serum total IgE and IL - 4, in contrast to the elevation of serum levels of IgE specific, and the reactivity in people allergic skin.
Despite the medical and social relevance of asthma and ascariasis in population of Brazilian children, was not found any other study showing whether or not these two offenses to the association health. In Campina Grande (CP), the high frequencies of these disorders led the study of the association between asthma and ascariasis described in literature 6, 7.
Asthma and ascariasis in children aged two to ten living in a low income suburb
Asthma is a chronic disease very common in children, translated by episodes of wheezing lungs, and their severity is increasing in several countries mundo1. As you know, genetic predisposition is the strongest risk factor, but many others involved, such as environmental factors, diet, smoking, industrialization and increased air pollution in major metrópoles2. The prevalence of asthma in Brazil has been estudada3, using a standardized questionnaire of the International Study of Asthma and Allergies in Childhood (ISAAC). In children of Recife, Salvador, Sao Paulo, Curitiba and Porto Alegre, the prevalence of "wheezing ever" ranged from 39.0% to 47.0% 4.
On the other hand, ascariasis is one of the most common parasites in Brazil, especially in rural areas, where they were observed prevalence of 74.8% and 75.2% respectively, in Lucena & Magalhaes Neto and Pereira et al. In Pernambuco5. In another population of Campina Grande, with similar social characteristics, Pereira et al.11 found prevalence of ascariasis of 54.2%. Also in the Northeast, in the large cities (Recife), with the occupation of the chaotic urban peripheries, without basic health structure, it is believed that the significant increase occurring enteroparasitoses, with prevalence of 56% to 76.8% 5.
The possible association between asthma and ascariasis was proposed by Lynch et al. (1998), studying two groups of children in the same socioeconomic level, and with equal exposure to helminths, differentiating them only by the prevalence of asma6. Despite the same conditions of life, the intensity of parasitic infection was higher among children not allergic. In anterior7 work, it was observed that in endemic areas of ascariasis and after treatment with anti-helmÃnticos, there is reduction in serum total IgE and IL - 4, in contrast to the elevation of serum levels of IgE specific, and the reactivity in people allergic skin.
Despite the medical and social relevance of asthma and ascariasis in population of Brazilian children, was not found any other study showing whether or not these two offenses to the association health. In Campina Grande (CP), the high frequencies of these disorders led the study of the association between asthma and ascariasis described in literature 6, 7.
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