Asthma and air pollutants: a time series study
نویسندگان
چکیده
منابع مشابه
Hazardous air pollutants and asthma.
Asthma has a high prevalence in the United States, and persons with asthma may be at added risk from the adverse effects of hazardous air pollutants (HAPs). Complex mixtures (fine particulate matter and tobacco smoke) have been associated with respiratory symptoms and hospital admissions for asthma. The toxic ingredients of these mixtures are HAPs, but whether ambient HAP exposures can induce a...
متن کاملPollutants and asthma: role of air toxics.
Asthma is a disease characterized by intermittent bronchoconstriction due to increased airway reactivity to both allergic and nonallergic stimuli. Most asthma exacerbations that result in hospitalization are associated with viral upper respiratory tract infections. Such infections typically induce T-helper type 1 (T(H)1) responses in the airway, involving activation of nuclear factor-kappaB (NF...
متن کاملAssociations between criteria air pollutants and asthma.
The evidence that asthma is increasing in prevalence is becoming increasingly compelling. This trend has been demonstrated not only in the United States, but also in the United Kingdom, New Zealand, Australia, and several other Western countries. In the United States, the increase is largest in the group under 18 years of age. There is mounting evidence that certain environmental air pollutants...
متن کاملEffects of Air Pollutants on Childhood Asthma
Epidemiologic studies have suggested the association between environmental exposure to volatile organic compounds (VOCs) and polycyclic aromatic hydrocarbons (PAHs) and the increased risk of incurring asthma. Yet there is little data regarding the relationship between personal exposure to air pollution and the incidence of asthma in children. This study was designed to evaluate the effect of ex...
متن کاملAir pollutants and hospital admission due to pneumonia in children: a time series analysis.
OBJECTIVE The aim of this study was to estimate the association between expo sure to air pollutants and hospitalization for pneumonia among children in a medium-sized city located in the sugar cane plantation region of São Paulo State. METHODS An ecological time-series study was conducted with daily data of hospi talization for pneumonia including children aged 10 years or younger living in A...
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ژورنال
عنوان ژورنال: Revista da Associação Médica Brasileira
سال: 2012
ISSN: 0104-4230
DOI: 10.1016/s0104-4230(12)70199-9