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Environmental health perspectives
ISSN :
0091-6765
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Asthmatic symptoms among pupils in relation to winter indoor and outdoor air pollution in schools in Taiyuan, China / Zhuohui Zhao (2008)
Titre : Asthmatic symptoms among pupils in relation to winter indoor and outdoor air pollution in schools in Taiyuan, China Type de document : texte imprimé Auteurs : Zhuohui Zhao, Auteur ; Zheng Zhang, Auteur ; Zhuanhua Wang, Auteur ; Martin Ferm, Auteur ; Yanling Liang, Auteur ; Dan Norbäck, Auteur Editeur : National Institute of Environmental Health Sciences Année de publication : 2008 Collection : Environmental health perspectives, ISSN 0091-6765 num. 116:1 Importance : p.90-97 Présentation : ill., tab., graph. Langues : Français (fre) Catégories : [DIVERS] personne:famille:enfant
[PROMOSAN] allergie:cause d'allergie:facteur aggravant:pollution
[PROMOSAN] allergie:manifestation de l'allergie
[PROMOSAN] allergie:type d'allergie:allergie environnementale
[PROMOSAN] asthmeIndex. décimale : AA 1.6. Asthme chez l'enfant Résumé : BACKGROUND:
There are few studies on associations between children's respiratory heath and air pollution in schools in China. The industrial development and increased traffic may affect the indoor exposure to air pollutants in school environment. Moreover, there is a need to study respiratory effects of environmental tobacco smoke (ETS) and emissions from new building materials in homes in China.
OBJECTIVES:
We studied the associations between pupils' asthmatic symptoms and indoor and outdoor air pollution in schools, as well as selected home exposures, in a coal-burning city in north China.
METHODS:
A questionnaire survey was administered to pupils (11-15 years of age) in 10 schools in urban Taiyuan, collecting data on respiratory health and selected home environmental factors. Indoor and outdoor school air pollutants and climate factors were measured in winter.
RESULTS:
A total of 1,993 pupils (90.2%) participated; 1.8% had cumulative asthma, 8.4% wheezing, 29.8% had daytime attacks of breathlessness. The indoor average concentrations of sulfur dioxide, nitrogen dioxide, ozone, and formaldehyde by class were 264.8, 39.4, 10.1, and 2.3 microg/m3, respectively. Outdoor levels were two to three times higher. Controlling for possible confounders, either wheeze or daytime or nocturnal attacks of breathlessness were positively associated with SO2, NO2, or formaldehyde. In addition, ETS and new furniture at home were risk factors for wheeze, daytime breathlessness, and respiratory infections.
CONCLUSIONS:
Indoor chemical air pollutants of mainly outdoor origin could be risk factors for pupils' respiratory symptoms at school, and home exposure to ETS and chemical emissions from new furniture could affect pupils' respiratory health.En ligne : https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2199281/ Format de la ressource électronique : HTML, PDF Permalink : https://biblio.fares.be/opac_css/index.php?lvl=notice_display&id=8106 Aucun avis, veuillez vous identifier pour ajouter le vôtre !
Combined Effects of in Utero and Adolescent Tobacco Smoke Exposure on Lung Function in C57Bl/6J Mice / David Drummond (2017)
Titre : Combined Effects of in Utero and Adolescent Tobacco Smoke Exposure on Lung Function in C57Bl/6J Mice Type de document : document électronique Auteurs : David Drummond, Auteur ; Mélissa Baravalle - Einaudi, Auteur ; Guillaume Lezmi, Auteur Editeur : National Institute of Environmental Health Sciences Année de publication : 2017 Collection : Environmental health perspectives, ISSN 0091-6765 Importance : 31 p. Présentation : tab., ill. Langues : Français (fre) Catégories : [DIVERS] personne:par âge:jeune
[TABAC] chimie du tabac:fumée
[TABAC] étude
[TABAC] tabagisme:pathologie:pathologie respiratoire
[TABAC] tabagisme:risque:facteur associé:grossesse:foetusMots-clés : expérimentation animale Index. décimale : TA 3.2.2.4 Pathologies respiratoires (sauf 3.2.2.1, 3.2.2.2, 3.2.2.3) Résumé : Fetal determinants of airway function, such as in utero exposure to maternal cigarette smoke (CS), may create a predisposition to adult airflow obstruction and chronic obstructive pulmonary disease (COPD) in adulthood. It has been suggested that active smoking in adolescence and preexisting airflow obstruction have synergistic deleterious effects.
Objective:
We used a mouse model to investigate whether there is a synergistic effect of exposure to CS in utero and during adolescence on lung function.
Methods:
Female C57Bl/6J mice were exposed to CS or to filtered room air during pregnancy. Exposure to CS began 2 weeks before mating and continued until delivery. After birth, the pups were not exposed to CS until day 21 (D21). Between D21 and D49, corresponding to “adolescence,” litters were randomized for an additional 4 weeks of exposure to CS. Lung morphometry, lung mechanics, and the expression of genes involved in senescence were evaluated in different subsets of mice on D21 and D49.
Results:
In utero exposure to CS induced significant lung function impairment by D21. CS exposure between D21 and D49 induced significant functional impairment only in mice exposed to CS prenatally. On D49, no difference was observed between subgroups in terms of lung p53, p16, p21, and Bax mRNA levels.
Conclusions:
Our findings suggest that prenatal and adolescent CS exposure have a synergistic effect on lung function in mice. The combined effect did not appear to be a consequence of early pulmonary senescence.
Citation:En ligne : http://dx.doi.org/10.1289/EHP54 Format de la ressource électronique : Article en ligne Permalink : https://biblio.fares.be/opac_css/index.php?lvl=notice_display&id=9623 Aucun avis, veuillez vous identifier pour ajouter le vôtre !
Titre : Indoor environmental exposures and exacerbation of asthma : an update to the 2000 review by the institute of medicine Type de document : document électronique Auteurs : Watcharoot Kanchongkittiphon, Auteur Editeur : National Institute of Environmental Health Sciences Année de publication : 2015 Collection : Environmental health perspectives, ISSN 0091-6765 num. 123(1) Importance : p.6-20 Langues : Anglais (eng) Catégories : [PROMOSAN] allergie:cause d'allergie:facteur aggravant:pollution
[PROMOSAN] asthme
[TABAC] prévention:environnement sans fuméeIndex. décimale : AA 2.6.1. Habitation En ligne : https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4286274/ Format de la ressource électronique : HTML, PDF Permalink : https://biblio.fares.be/opac_css/index.php?lvl=notice_display&id=9400 Aucun avis, veuillez vous identifier pour ajouter le vôtre !
Trends in the exposure of nonsmokers in the U.S. population to secondhand smoke / James L. Pirkle (2006)
Titre : Trends in the exposure of nonsmokers in the U.S. population to secondhand smoke : 1988–2002 Type de document : texte imprimé Auteurs : James L. Pirkle, Auteur ; John T. Bernert, Auteur ; Samuel P. Caudill, Auteur ; Connie S. Sosnoff, Auteur Editeur : National Institute of Environmental Health Sciences Année de publication : 2006 Collection : Environmental health perspectives, ISSN 0091-6765 num. 114:6 Importance : p. 853-858 Présentation : tab., graph. Langues : Anglais (eng) Catégories : [DIVERS] géographie:Amérique:Amérique du Nord:Etats-Unis
[TABAC] chimie du tabac:fumée
[TABAC] étude
[TABAC] tabagisme:évaluation du tabagisme:marqueur
[TABAC] tabagisme:tabagisme passif:tabagisme environnementalIndex. décimale : TA 7.1 Généralités Résumé : The objective of this study was to describe the exposure of nonsmokers in the U.S. population to secondhand smoke (SHS) using serum cotinine concentrations measured over a period of 14 years, from October 1988 through December 2002. This study consists of a series of National Health and Nutrition Examination Surveys (NHANES) measuring serum cotinine as an index of SHS exposure of participants. Study participants were individuals representative of the U.S. civilian, noninstitutionalized population, ≥ 4 years of age. We analyzed serum cotinine and interview data from NHANES obtained during surveys conducted during four distinct time periods. Our results document a substantial decline of approximately 70% in serum cotinine concentrations in non-smokers during this period. This decrease was reflected in all groups within the population regardless of age, sex, or race/ethnicity. The large decrease that we observed in serum cotinine concentrations suggests a substantial reduction in the exposure of the U.S. population to SHS during the 1990s. The exposure of nonsmokers to SHS represents an important public health concern. Our findings suggest that recent public health efforts to reduce such exposures have had an important effect, although children and non-Hispanic black nonsmokers show relatively higher levels of serum cotinine. Permalink : https://biblio.fares.be/opac_css/index.php?lvl=notice_display&id=8113 Exemplaires (1)
Code-barres Cote Support Localisation Section Disponibilité TA 005669 TA 7.1 PIR T Article/Périodique Bibliothèque FARES Tabac Consultation sur place
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