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Air pollution and birth weight

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https://www.readbyqxmd.com/read/28102992/environmental-factors-associated-with-autism-spectrum-disorder-a-scoping-review-for-the-years-2003-2013
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/27665510/air-pollution-during-pregnancy-and-lung-development-in-the-child
#13
REVIEW
Insa Korten, Kathryn Ramsey, Philipp Latzin
Air pollution exposure has increased extensively in recent years and there is considerable evidence that exposure to particulate matter can lead to adverse respiratory outcomes. The health impacts of exposure to air pollution during the prenatal period is especially concerning as it can impair organogenesis and organ development, which can lead to long-term complications. Exposure to air pollution during pregnancy affects respiratory health in different ways. Lung development might be impaired by air pollution indirectly by causing lower birth weight, premature birth or disturbed development of the immune system...
August 19, 2016: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/27650766/association-of-tobacco-use-and-other-determinants-with-pregnancy-outcomes-a-multicentre-hospital-based-case-control-study-in-karachi-pakistan
#14
Shafquat Rozi, Zahid Ahmad Butt, Nida Zahid, Saba Wasim, Kashif Shafique
OBJECTIVES: The study aimed to identify the effects of maternal tobacco consumption during pregnancy and other factors on birth outcomes and obstetric complications in Karachi, Pakistan. DESIGN: A multicentre hospital-based case-control study. SETTING: Four leading maternity hospitals of Karachi. PARTICIPANTS: A random sample of 1275 women coming to the gynaecology and obstetric department of selected hospitals for delivery was interviewed within 48 hours of delivery from wards...
2016: BMJ Open
https://www.readbyqxmd.com/read/27623605/fetal-thyroid-function-birth-weight-and-in-utero-exposure-to-fine-particle-air-pollution-a-birth-cohort-study
#15
Bram G Janssen, Nelly D Saenen, Harry A Roels, Narjes Madhloum, Wilfried Gyselaers, Wouter Lefebvre, Joris Penders, Charlotte Vanpoucke, Karen Vrijens, Tim S Nawrot
BACKGROUND: Thyroid hormones are critical for fetal development and growth. Whether prenatal exposure to fine particle air pollution (PM2.5) affects fetal thyroid function and what the impact is on birth weight in normal healthy pregnancies is not studied yet. OBJECTIVES: To study the impact of third trimester PM2.5 exposure on fetal and maternal thyroid hormones and their mediating role on birth weight. METHODS: We measured the levels of free thyroid hormones (FT3, FT4) and thyroid stimulating hormone (TSH) in cord blood (n = 499) and maternal blood (n = 431) collected after delivery from mother-child pairs enrolled between February 2010 and June 2014 in the ENVIRONAGE birth cohort with catchment area in the province of Limburg, Belgium...
September 13, 2016: Environmental Health Perspectives
https://www.readbyqxmd.com/read/27606967/asthma-trajectories-in-a-population-based-birth-cohort-impacts-of-air-pollution-and-greenness
#16
Hind Sbihi, Mieke Koehoorn, Lillian Tamburic, Michael Brauer
RATIONALE: The heterogeneity of asthma phenotypes may explain inconsistencies in observed associations with environmental exposures. AIM: To identify trajectories of childhood asthma and to characterize the potential impact of residential greenness and air pollution on asthma trajectory sub-groups. DATA AND METHODS: Linked administrative databases of medical visits were used to define the occurrence and recurrence of asthma over a 10-year follow-up period within a population-based birth cohort of over 65,000 children...
September 8, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27589893/impact-of-air-pollution-and-temperature-on-adverse-birth-outcomes-madrid-2001-2009
#17
Virginia Arroyo, Julio Díaz, Rocío Carmona, Cristina Ortiz, Cristina Linares
BACKGROUND/OBJECTIVES: Low birth weight (<2500 g) (LBW), premature birth (<37 weeks of gestation) (PB), and late foetal death (<24 h of life) (LFD) are causes of perinatal morbi-mortality, with short- and long-term social and economic health impacts. This study sought to identify gestational windows of susceptibility during pregnancy and to analyse and quantify the impact of different air pollutants, noise and temperature on the adverse birth outcomes. METHODS: Time-series study to assess the impact of mean daily PM2...
November 2016: Environmental Pollution
https://www.readbyqxmd.com/read/27578830/living-in-stressful-neighbourhoods-during-pregnancy-an-observational-study-of-crime-rates-and-birth-outcomes
#18
Tom Clemens, Chris Dibben
BACKGROUND: Patterns of adverse birth outcomes vary spatially and there is evidence that this may relate to features of the physical environment such as air pollution. However, other social characteristics of the environment such as levels of crime are relatively understudied. This study examines the association between crime rates and birth weight and prematurity. METHODS: Maternity inpatient data recorded at birth, including residential postcode, was linked to a representative 5% sample of Scottish Census data and small area crime rates from Scottish Police forces...
August 29, 2016: European Journal of Public Health
https://www.readbyqxmd.com/read/27475729/associations-between-maternal-exposure-to-air-pollution-and-traffic-noise-and-newborn-s-size-at-birth-a-cohort-study
#19
Dorrit Hjortebjerg, Anne Marie Nybo Andersen, Matthias Ketzel, Marie Pedersen, Ole Raaschou-Nielsen, Mette Sørensen
BACKGROUND: Maternal exposure to air pollution and traffic noise has been suggested to impair fetal growth, but studies have reported inconsistent findings. Objective To investigate associations between residential air pollution and traffic noise during pregnancy and newborn's size at birth. METHODS: From a national birth cohort we identified 75,166 live-born singletons born at term with information on the children's size at birth. Residential address history from conception until birth was collected and air pollution (NO2 and NOx) and road traffic noise was modeled at all addresses...
October 2016: Environment International
https://www.readbyqxmd.com/read/27460165/maternal-exposure-to-diluted-diesel-engine-exhaust-alters-placental-function-and-induces-intergenerational-effects-in-rabbits
#20
Sarah A Valentino, Anne Tarrade, Josiane Aioun, Eve Mourier, Christophe Richard, Michèle Dahirel, Delphine Rousseau-Ralliard, Natalie Fournier, Marie-Christine Aubrière, Marie-Sylvie Lallemand, Sylvaine Camous, Marine Guinot, Madia Charlier, Etienne Aujean, Hala Al Adhami, Paul H Fokkens, Lydiane Agier, John A Boere, Flemming R Cassee, Rémy Slama, Pascale Chavatte-Palmer
BACKGROUND: Airborne pollution is a rising concern in urban areas. Epidemiological studies in humans and animal experiments using rodent models indicate that gestational exposure to airborne pollution, in particular diesel engine exhaust (DE), reduces birth weight, but effects depend on exposure duration, gestational window and nanoparticle (NP) concentration. Our aim was to evaluate the effects of gestational exposure to diluted DE on feto-placental development in a rabbit model. Pregnant females were exposed to diluted (1 mg/m(3)), filtered DE (NP diameter ≈ 69 nm) or clean air (controls) for 2 h/day, 5 days/week by nose-only exposure (total exposure: 20 days in a 31-day gestation)...
July 26, 2016: Particle and Fibre Toxicology
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