| Titre : | Association Between Maternal Exposure to Ambient Air Pollution and Congenital Heart Disease : A Register-based Spatiotemporal Analysis. (2011) |
| Auteurs : | DADVAND (Payam) : ESP. Centre for Research in Environmental Epidemiology (Creal). Barcelona. ; Tanja PLESS-MULLOLI ; Judith RANKIN ; Stephen RUSHTON |
| Type de document : | Article |
| Dans : | American journal of epidemiology (vol. 173, n° 2, 2011) |
| Pagination : | 171-182 |
| Langues: | Anglais |
| Mots-clés : | Association ; Mère ; Exposition ; Santé environnementale ; Pollution atmosphérique ; Maladie congénitale ; Malformation ; Epidémiologie ; Cardiopathie congénitale |
| Résumé : | [BDSP. Notice produite par INIST-CNRS CEAqR0xk. Diffusion soumise à autorisation]. Recent studies have linked maternal exposure to air pollution with a range of adverse pregnancy outcomes. However, the available evidence linking this exposure to congenital anomalies is still limited and controversial. The present case-control study tested the hypothesis that maternal exposure to ambient black smoke and sulfur dioxide is a risk factor for the occurrence of congenital heart disease. The authors used registry-based data on congenital heart disease for the population of the northeast of England in 1985-1996. A 2-stage spatiotemporal model was developed to predict weekly black smoke and sulfur dioxide levels at each maternal place of residence. Controls were frequency-matched to cases by year of birth (control-to-case ratio of 4 : 1). Two sets of analyses were performed, using predicted mean values of exposure and 1,000 simulated scenarios of exposure. The analyses were adjusted for birth year, socioeconomic status, infant sex, season of conception, and degree of urbanity. The authors found a weak association between maternal exposure to black smoke and congenital malformations of cardiac chambers and connections only when using exposure as a continuous variable. When the authors used quartiles of exposure, odds ratios did not show a dose-response relation for consecutive quartiles. For sulfur dioxide, the results were not indicative of any association. |
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