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Repositorio de la Universidad de Oviedo > Producción Bibliográfica de UniOvi: RECOPILA > Artículos >

Use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10651/43489

Título : Prenatal and postnatal exposure to NO2 and child attentional function at 4–5 years of age
Autor(es) y otros: Sentís, Alexis
Sunyer, Jordi
Dalmau Bueno, Albert
Andiarena, Ainara
Ballester, Ferran
Cirach, Marta
Estarlich, Marisa
Fernández Somoano, Ana
Ibarluzea, Jesús
Íñiguez Hernández, Carmen
Lertxundi, Aitana
Tardón García, Adonina
Nieuwenhuijsen, Mark
Vrijheid, Martine
Guxens, Mónica
Palabras clave: Attention deficit disorder with hyperactivity
Child development
Cognition
Neuropsychological test
Fecha de publicación : 2017
Versión del editor: http://dx.doi.org/10.1016/j.envint.2017.05.021
Citación : Environment International, 106, p. 170-177 (2017); doi:10.1016/j.envint.2017.05.021
Descripción física: p. 170-177
Resumen : Background: Prenatal and postnatal exposure to air pollution has been linked to cognitive impairment in children, but very few studies have assessed its association with attentional function. Objectives: To evaluate the association between prenatal and postnatal exposure to nitrogen dioxide (NO2) and attentional function in children at 4–5 years of age. Methods: We used data from four regions of the Spanish INMA—Environment and Childhood—Project, a population-based birth cohort. Using land-use regression models (LUR), we estimated prenatal and postnatal NO2 levels in all of these regions at the participants' residential addresses. We assessed attentional function using the Kiddie-Conners Continuous Performance Test (K-CPT). We combined the region-specific adjusted effect estimates using random-effects meta-analysis. Results: We included 1298 children with complete data. Prenatal exposure to NO2 was associated with an impaired standard error of the hit reaction time (HRT(SE)) (increase of 1.12 ms [95% CI; 0.22 a 2.02] per 10 μg/m3 increase in prenatal NO2) and increased omission errors (6% [95% CI; 1.01 to 1.11] per 10 μg/m3 increase in prenatal NO2). Postnatal exposure to NO2 resulted in a similar but borderline significant increase of omission errors (5% [95% CI; =0.99 to 1.11] per 10 μg/m3 increase in postnatal NO2). These associations did not vary markedly between regions, and were mainly observed in girls. Commission errors and lower detectability were associated with prenatal and postnatal exposure to NO2 only in some regions. Conclusions: This study indicates that higher exposure to ambient NO2, mainly during pregnancy and to a lesser extent postnatally, is associated with impaired attentional function in children at 4–5 years of age.
Fecha fin embargo: 2019-07
URI : http://hdl.handle.net/10651/43489
ISSN : 0160-4120
1873-6750
Aparece en las colecciones: Medicina
Artículos
Investigaciones y Documentos OpenAIRE

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