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Air pollution and birth weight

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https://www.readbyqxmd.com/read/28334179/bayesian-distributed-lag-interaction-models-to-identify-perinatal-windows-of-vulnerability-in-children-s-health
#1
Ander Wilson, Yueh-Hsiu Mathilda Chiu, Hsiao-Hsien Leon Hsu, Robert O Wright, Rosalind J Wright, Brent A Coull
Epidemiological research supports an association between maternal exposure to air pollution during pregnancy and adverse children's health outcomes. Advances in exposure assessment and statistics allow for estimation of both critical windows of vulnerability and exposure effect heterogeneity. Simultaneous estimation of windows of vulnerability and effect heterogeneity can be accomplished by fitting a distributed lag model (DLM) stratified by subgroup. However, this can provide an incomplete picture of how effects vary across subgroups because it does not allow for subgroups to have the same window but different within-window effects or to have different windows but the same within-window effect...
February 27, 2017: Biostatistics
https://www.readbyqxmd.com/read/28329947/-air-pollution-and-adverse-birth-outcome-in-china-a-comprehensive-review
#2
P F Zhu, Y Zhang, J Ban, T T Li, X M Shi
Objective: To summarize the progress in the research of the association between air pollution and adverse birth outcomes in China. Methods: A literature retrieval was conducted by using the databases of CNKI, Wanfang, Pubmed, Science Direct, and Web of Science to select relevant research papers published before 30(th), June 2016 in China according to inclusion criteria. Finally, 27 papers were included in analysis. Results: Exposure to particulate matter (PM(10)), sulfur dioxide (SO(2)), nitrogen dioxide (NO(2)), total suspended particles (TSP) during pregnancy might increase risk for low birth weight; exposure to PM(10), SO(2), NO(2) during pregnancy might increase risk for premature birth; and exposure to SO(2), NO(2), ozone (O(3)), and PM(10) during pregnancy might increase risk for congenital heart diseases and other birth defects...
March 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28287305/parity-conditions-the-risk-for-low-birth-weight-after-maternal-exposure-to-air-pollution
#3
Anna Merklinger-Gruchala, Grazyna Jasienska, Maria Kapiszewska
Multiparous mothers have greater umbilical blood flow and thus more efficient transport of pollutants than primiparous mothers. We tested a hypothesis that multiparous mothers are more prone to have an infant with low birth weight (LBW) after prenatal exposure to air pollution. A study was conducted on a representative group of more than 74,000 singleton, live, full-term infants. Birth data were obtained from the birth registry, while pollution data were from an environmental monitoring system (Poland). Multiple comparisons were controlled by the false discovery rate procedure (FDR)...
2017: Biodemography and Social Biology
https://www.readbyqxmd.com/read/28260332/-impact-of-atmospheric-particulate-matter-at-different-period-of-gestation-on-low-birth-weight-a-meta-analysis
#4
R J Feng, R Wu, P R Zhong, X J Tian, X Long, C F Fan, L Ma
Objective: To analyze the influence of atmospheric particulate matters (PM(2.5) and PM(10)) on low-birth-weight (LBW) infants at different periods of gestation. Methods: We conducted a systematic literature search for 2 471 articles related to particulate matter and LBW published from January 1st 2000 to January 1st 2016 using the PubMed, Cochrane Library, Web of Science, Science Direct, Chinese Web of Knowledge, Wanfang and Weipu, and the keywords were" air pollution" , "adverse birth outcomes" , "adverse pregnancy outcomes" , "low birth weight/LBW" ...
March 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28258738/ambient-temperature-and-air-quality-in-relation-to-small-for-gestational-age-and-term-low-birthweight
#5
Sandie Ha, Yeyi Zhu, Danping Liu, Seth Sherman, Pauline Mendola
BACKGROUND: Exposures to extreme ambient temperature and air pollution are linked to adverse birth outcomes, but the associations with small for gestational age (SGA) and term low birthweight (tLBW) are unclear. We aimed to investigate exposures to site-specific temperature extremes and selected criteria air pollutants in relation to SGA and tLBW. METHODS: We linked medical records of 220,572 singleton births (2002-2008) from 12 US sites to local temperature estimated by the Weather Research and Forecasting model, and air pollution estimated by modified Community Multiscale Air Quality models...
May 2017: Environmental Research
https://www.readbyqxmd.com/read/28225911/clean-air-matters-an-overview-of-traffic-related-air-pollution-and-pregnancy
#6
Anne Dorothée Slovic, Carmen Simone Diniz, Helena Ribeiro
The right to a healthy pregnancy and to giving birth in a safe environment is source of comprehensive research. Decent birth facilities, respect, and no discrimination are already recognized as fundamental rights, but an accurate look at the outdoor environment is required. Air pollution is a dangerous factor to pregnant women and newborns, many of whom highly exposed to traffic-related atmospheric pollutants in urban areas. Such exposure can lead to low birth weight and long-lasting effects, such as respiratory diseases and premature death...
February 16, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28196630/preterm-birth-associated-with-maternal-fine-particulate-matter-exposure-a-global-regional-and-national-assessment
#7
Christopher S Malley, Johan C I Kuylenstierna, Harry W Vallack, Daven K Henze, Hannah Blencowe, Mike R Ashmore
Reduction of preterm births (<37 completed weeks of gestation) would substantially reduce neonatal and infant mortality, and deleterious health effects in survivors. Maternal fine particulate matter (PM2.5) exposure has been identified as a possible risk factor contributing to preterm birth. The aim of this study was to produce the first estimates of ambient PM2.5-associated preterm births for 183 individual countries and globally. To do this, national, population-weighted, annual average ambient PM2.5 concentration, preterm birth rate and number of livebirths were combined to calculate the number of PM2...
April 2017: Environment International
https://www.readbyqxmd.com/read/28168423/prenatal-exposure-to-fine-particles-and-polycyclic-aromatic-hydrocarbons-and-birth-outcomes-a-two-pollutant-approach
#8
W A Jedrychowski, Renata Majewska, J D Spengler, David Camann, E L Roen, F P Perera
BACKGROUND: Previous epidemiologic studies have considered the effects of individual air pollutants on birth outcomes, whereas a multiple-pollutant approach is more relevant to public health policy. OBJECTIVES: The present study compared the observed effect sizes of prenatal fine particulate matter (PM2.5) and polycyclic aromatic hydrocarbons (PAH) (a component of PM2.5) exposures on birth outcome deficits, assessed by the single vs. two-pollutant approaches. METHODS: The study sample included 455 term infants born in Krakow to non-smoking mothers, among whom personal exposures to PM2...
April 2017: International Archives of Occupational and Environmental Health
https://www.readbyqxmd.com/read/28102992/environmental-factors-associated-with-autism-spectrum-disorder-a-scoping-review-for-the-years-2003-2013
#9
M Ng, J G de Montigny, M Ofner, M T Do
INTRODUCTION: The number of children diagnosed with autism spectrum disorder (ASD) has been rapidly rising in the past decade. The etiology of this disorder, however, is largely unknown, although the environmental relative to the genetic contribution is substantial. We conducted a scoping review to comprehensively assess the current state of knowledge of the environmental factors present from preconception to early life associated with ASD, and to identify research gaps. METHODS: We searched electronic databases MEDLINE, PsycINFO and ERIC for articles on potential risk factors or protective factors from the physical and social environments associated with ASD and its subclassifications published between 1 January, 2003, and 12 July, 2013...
January 2017: Health Promotion and Chronic Disease Prevention in Canada
https://www.readbyqxmd.com/read/28099267/measurement-error-correction-for-predicted-spatiotemporal-air-pollution-exposures
#10
Joshua P Keller, Howard H Chang, Matthew J Strickland, Adam A Szpiro
BACKGROUND: Air pollution cohort studies are frequently analyzed in two stages, first modeling exposure then using predicted exposures to estimate health effects in a second regression model. The difference between predicted and unobserved true exposures introduces a form of measurement error in the second stage health model. Recent methods for spatial data correct for measurement error with a bootstrap and by requiring the study design ensure spatial compatibility, i.e., monitor and subject locations are drawn from the same spatial distribution...
January 17, 2017: Epidemiology
https://www.readbyqxmd.com/read/27966666/measurement-error-in-mobile-source-air-pollution-exposure-estimates-due-to-residential-mobility-during-pregnancy
#11
Audrey Flak Pennington, Matthew J Strickland, Mitchel Klein, Xinxin Zhai, Armistead G Russell, Craig Hansen, Lyndsey A Darrow
Prenatal air pollution exposure is frequently estimated using maternal residential location at the time of delivery as a proxy for residence during pregnancy. We describe residential mobility during pregnancy among 19,951 children from the Kaiser Air Pollution and Pediatric Asthma Study, quantify measurement error in spatially resolved estimates of prenatal exposure to mobile source fine particulate matter (PM2.5) due to ignoring this mobility, and simulate the impact of this error on estimates of epidemiologic associations...
December 14, 2016: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/27913015/the-association-between-ambient-air-pollution-and-selected-adverse-pregnancy-outcomes-in-china-a-systematic-review
#12
Milena Jacobs, Guicheng Zhang, Shu Chen, Ben Mullins, Michelle Bell, Lan Jin, Yuming Guo, Rachel Huxley, Gavin Pereira
The association between exposure to ambient air pollution and respiratory or cardiovascular endpoints is well-established. An increasing number of studies have shown that this exposure is also associated with adverse pregnancy outcomes. However, the majority of research has been undertaken in high-income western countries, with relatively lower levels of exposure. There is now a sufficient number of studies to warrant an assessment of effects in China, a relatively higher exposure setting. We conducted a systematic review of 25 studies examining the association between ambient air pollution exposure and adverse pregnancy outcomes (lower birth weight, preterm birth, mortality, and congenital anomaly) in China, published between 1980 and 2015...
February 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27904610/effects-of-air-pollution-on-human-health-and-practical-measures-for-prevention-in-iran
#13
REVIEW
Adel Ghorani-Azam, Bamdad Riahi-Zanjani, Mahdi Balali-Mood
Air pollution is a major concern of new civilized world, which has a serious toxicological impact on human health and the environment. It has a number of different emission sources, but motor vehicles and industrial processes contribute the major part of air pollution. According to the World Health Organization, six major air pollutants include particle pollution, ground-level ozone, carbon monoxide, sulfur oxides, nitrogen oxides, and lead. Long and short term exposure to air suspended toxicants has a different toxicological impact on human including respiratory and cardiovascular diseases, neuropsychiatric complications, the eyes irritation, skin diseases, and long-term chronic diseases such as cancer...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27899809/does-vaginal-delivery-mitigate-or-strengthen-the-intergenerational-association-of-overweight-and-obesity-findings-from-the-boston-birth-cohort
#14
N T Mueller, G Mao, W L Bennet, S K Hourigan, M G Dominguez-Bello, L J Appel, X Wang
BACKGROUND/OBJECTIVES: The intergenerational association of obesity may be driven by mother-to-newborn transmission of microbiota at birth. Yet cesarean delivery circumvents newborn acquisition of vaginal microbiota, and has been associated with greater childhood adiposity. Here we examined the independent and joint associations of maternal pre-pregnancy body mass index (BMI; kg m(-2)) and delivery mode with childhood overweight or obesity. SUBJECTS/METHODS: We prospectively followed 1441 racially and ethnically diverse mother-child dyads in the Boston Birth Cohort until age 5 years (range: 2...
December 20, 2016: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/27879970/mortality-hospital-days-and-expenditures-attributable-to-ambient-air-pollution-from-particulate-matter-in-israel
#15
Gary M Ginsberg, Ehud Kaliner, Itamar Grotto
BACKGROUND: Worldwide, ambient air pollution accounts for around 3.7 million deaths annually. Measuring the burden of disease is important not just for advocacy but also is a first step towards carrying out a full cost-utility analysis in order to prioritise technological interventions that are available to reduce air pollution (and subsequent morbidity and mortality) from industrial, power generating and vehicular sources. METHODS: We calculated the average national exposure to particulate matter particles less than 2...
2016: Israel Journal of Health Policy Research
https://www.readbyqxmd.com/read/27805275/what-s-new-in-atopic-eczema-an-analysis-of-systematic-reviews-published-in-2014-part-1-epidemiology-risk-factors-and-outcomes
#16
REVIEW
S J Hatfield, N K Rogers, A Lloyd-Lavery, D Grindlay, R Barnett, K S Thomas
This review summarizes key findings from nine systematic reviews on atopic eczema (AE) published or first indexed in 2014. It focuses on epidemiology, disease processes and methodological issues. There is reasonable evidence to conclude that high birth weight (> 4000 g) is a risk factor for the development of AE. A lower socioeconomic position is associated with lower prevalence of AE. The effect of exposure to traffic-related air pollution in childhood on the development of AE is uncertain. CD14 polymorphisms do not appear to have an effect in AE...
December 2016: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/27788159/effect-of-environmental-factors-on-low-weight-in-non-premature-births-a-time-series-analysis
#17
Julio Díaz, Virginia Arroyo, Cristina Ortiz, Rocío Carmona, Cristina Linares
OBJECTIVE: Exposure to pollutants during pregnancy has been related to adverse birth outcomes. LBW can give rise to lifelong impairments. Prematurity is the leading cause of LBW, yet few studies have attempted to analyse how environmental factors can influence LBW in infants who are not premature. This study therefore sought to analyse the influence of air pollution, noise levels and temperature on LBW in non-premature births in Madrid during the period 2001-2009. METHODS: Ecological time-series study to assess the impact of PM2...
2016: PloS One
https://www.readbyqxmd.com/read/27784277/air-pollution-neighbourhood-and-maternal-level-factors-modify-the-effect-of-smoking-on-birth-weight-a-multilevel-analysis-in-british-columbia-canada
#18
Anders C Erickson, Aleck Ostry, Hing Man Chan, Laura Arbour
BACKGROUND: Maternal smoking during pregnancy negatively impacts fetal growth, but the effect is not homogenous across the population. We sought to determine how the relationship between cigarette use and fetal growth is modified by the social and physical environment. METHODS: Birth records with covariates were obtained from the BC Perinatal Database Registry (N = 232,291). Maternal smoking status was self-reported as the number of cigarettes smoked per day usually at the first prenatal care visit...
July 16, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27741452/fetal-growth-and-air-pollution-a-study-on-ultrasound-and-birth-measures
#19
Ebba Malmqvist, Zeyan Liew, Karin Källén, Anna Rignell-Hydbom, Ralf Rittner, Lars Rylander, Beate Ritz
Air pollution has been suggested to affect fetal growth, but more data is needed to assess the timing of exposure effects by using ultrasound measures. It is also important to study effects in low exposure areas to assess eventual thresholds of effects. The MAPSS (Maternal Air Pollution in Southern Sweden) cohort consists of linked registry data for around 48,000 pregnancies from an ultrasound database, birth registry and exposure data based on residential addresses. Measures of air pollution exposure were obtained through dispersion modelling with input data from an emissions database (NOx) with high resolution (100-500m grids)...
January 2017: Environmental Research
https://www.readbyqxmd.com/read/27726025/before-the-first-breath-prenatal-exposures-to-air-pollution-and-lung-development
#20
REVIEW
Mariana Matera Veras, Nilmara de Oliveira Alves, Lais Fajersztajn, Paulo Saldiva
Various environmental contaminants are known to impair the growth trajectories of major organs, indirectly (gestational exposure) or directly (postnatal exposure). Evidence associates pre-gestational and gestational exposure to air pollutants with adverse birth outcomes (e.g., low birth weight, prematurity) and with a wide range of diseases in childhood and later in life. In this review, we explore the way that pre-gestational and gestational exposure to air pollution affects lung development. We present results in topics underlining epidemiological and toxicological evidence...
October 10, 2016: Cell and Tissue Research
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