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Uwak I, Olson N, Fuentes A, Moriarty M, Pulczinski J, Lam J, Xu X, Taylor BD, Taiwo S, Koehler K, Foster M, Chiu WA, Johnson NM. Application of the navigation guide systematic review methodology to evaluate prenatal exposure to particulate matter air pollution and infant birth weight. ENVIRONMENT INTERNATIONAL 2021; 148:106378. [PMID: 33508708 PMCID: PMC7879710 DOI: 10.1016/j.envint.2021.106378] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 12/11/2020] [Accepted: 01/04/2021] [Indexed: 05/04/2023]
Abstract
Low birth weight is an important risk factor for many co-morbidities both in early life as well as in adulthood. Numerous studies report associations between prenatal exposure to particulate matter (PM) air pollution and low birth weight. Previous systematic reviews and meta-analyses report varying effect sizes and significant heterogeneity between studies, but did not systematically evaluate the quality of individual studies or the overall body of evidence. We conducted a new systematic review to determine how prenatal exposure to PM2.5, PM10, and coarse PM (PM2.5-10) by trimester and across pregnancy affects infant birth weight. Using the Navigation Guide methodology, we developed and applied a systematic review protocol [CRD42017058805] that included a comprehensive search of the epidemiological literature, risk of bias (ROB) determination, meta-analysis, and evidence evaluation, all using pre-established criteria. In total, 53 studies met our inclusion criteria, which included evaluation of birth weight as a continuous variable. For PM2.5 and PM10, we restricted meta-analyses to studies determined overall as "low" or "probably low" ROB; none of the studies evaluating coarse PM were rated as "low" or "probably low" risk of bias, so all studies were used. For PM2.5, we observed that for every 10 µg/m3 increase in exposure to PM2.5 in the 2nd or 3rd trimester, respectively, there was an associated 5.69 g decrease (I2: 68%, 95% CI: -10.58, -0.79) or 10.67 g decrease in birth weight (I2: 84%, 95% CI: -20.91, -0.43). Over the entire pregnancy, for every 10 µg/m3 increase in PM2.5 exposure, there was an associated 27.55 g decrease in birth weight (I2: 94%, 95% CI: -48.45, -6.65). However, the quality of evidence for PM2.5 was rated as "low" due to imprecision and/or unexplained heterogeneity among different studies. For PM10, we observed that for every 10 µg/m3 increase in exposure in the 3rd trimester or the entire pregnancy, there was a 6.57 g decrease (I2: 0%, 95% CI: -10.66, -2.48) or 8.65 g decrease in birth weight (I2: 84%, 95% CI: -16.83, -0.48), respectively. The quality of evidence for PM10 was rated as "moderate," as heterogeneity was either absent or could be explained. The quality of evidence for coarse PM was rated as very low/low (for risk of bias and imprecision). Overall, while evidence for PM2.5 and course PM was inadequate primarily due to heterogeneity and risk of bias, respectively, our results support the existence of an inverse association between prenatal PM10 exposure and low birth weight.
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Affiliation(s)
- Inyang Uwak
- Department of Environmental and Occupational Health. Texas A&M University, College Station, TX, USA
| | - Natalie Olson
- Department of Veterinary Integrative Biosciences. Texas A&M University, College Station, TX, USA
| | - Angelica Fuentes
- Department of Veterinary Integrative Biosciences. Texas A&M University, College Station, TX, USA
| | - Megan Moriarty
- Department of Environmental and Occupational Health. Texas A&M University, College Station, TX, USA
| | - Jairus Pulczinski
- Department of Environmental Health and Engineering. Johns Hopkins University, Baltimore, MD, USA
| | - Juleen Lam
- Department of Health Sciences, California State University, East Bay, Hayward, CA USA
| | - Xiaohui Xu
- Department of Epidemiology and Biostatistics. Texas A&M University, College Station, TX, USA
| | - Brandie D Taylor
- Department of Epidemiology and Biostatistics. Temple University, Philadelphia, PA, USA
| | - Samuel Taiwo
- Department of Environmental and Occupational Health. Texas A&M University, College Station, TX, USA
| | - Kirsten Koehler
- Department of Environmental Health and Engineering. Johns Hopkins University, Baltimore, MD, USA
| | - Margaret Foster
- Medical Sciences Library. Texas A&M University, College Station, TX, USA
| | - Weihsueh A Chiu
- Department of Veterinary Integrative Biosciences. Texas A&M University, College Station, TX, USA
| | - Natalie M Johnson
- Department of Environmental and Occupational Health. Texas A&M University, College Station, TX, USA.
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Zhang Q, Sun S, Sui X, Ding L, Yang M, Li C, Zhang C, Zhang X, Hao J, Xu Y, Lin S, Ding R, Cao J. Associations between weekly air pollution exposure and congenital heart disease. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 757:143821. [PMID: 33248761 DOI: 10.1016/j.scitotenv.2020.143821] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 10/27/2020] [Accepted: 10/27/2020] [Indexed: 06/12/2023]
Abstract
BACKGROUND The topic of congenital heart diseases (CHDs) has attracted more and more attentions. Accumulating evidence suggests that exposure to air pollutants during pregnancy is associated with CHDs, yet the results are inconsistent and study about weekly exposure is few. Our study evaluated the association between weekly air pollution and CHDs in Hefei, China. MATERIALS AND METHODS Daily CHDs admission data were obtained from eight hospitals in Hefei from October 2015 to September 2017. Meteorological data and air quality were collected from China Meteorological Data Network. Distributed lag nonlinear model (DLNM) considering both the lag effect of exposure factors and the nonlinear relationship of exposure-reaction was used to assess the effect of weekly air pollutants exposure on CHDs admission. RESULTS During the study period, totally 47,046 cases of perinatal infants were recruited, and the incidence of CHDs was 9.71 per thousand. The findings showed PM2.5, PM10, SO2 and NO2 significantly increased the risk of CHDs. Each 10 μg/m3 increase in PM2.5 during gestational weeks 20-26 increased the risk of CHDs. The susceptibility windows of PM10 (weeks 0-2 and weeks 25-29 of pregnancy), SO2 (weeks 8-16 and weeks 29-38) and NO2 (week 40), while the strongest effects of these 4 pollutants on CHDs were observed in week 22 (RR = 1.034, 95% CI: 1.007-1.062), week 0 (RR = 1.081, 95% CI: 1.02-1.146), week 37 (RR = 1.528, 95% CI: 1.085-2.153) and week 40 (RR = 1.171, 95% CI: 1.006-1.364), respectively. CONCLUSIONS Air pollutants (SO2, NO2, PM10, and PM2.5) exposure could increase the risk of CHDs, while the most crucial susceptibility windows for the exposure were mainly in the second and third trimesters. Boys seemed to be more sensitive to air pollution. Our study contributes to the knowledge of the association between maternal exposure to air pollution and CHDs, but the associations need to be verified by further studies.
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Affiliation(s)
- Qi Zhang
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui 230032, China.
| | - Shu Sun
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui 230032, China.
| | - Xinmiao Sui
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui 230032, China.
| | - Liu Ding
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui 230032, China.
| | - Mei Yang
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui 230032, China.
| | - Changlian Li
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui 230032, China.
| | - Chao Zhang
- Department of Maternal, Child & Adolescent Health, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei 230032, China.
| | - Xiujun Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei 230032, China.
| | - Jiahu Hao
- Department of Maternal, Child & Adolescent Health, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei 230032, China.
| | - Yuechen Xu
- Anhui Medical University, 81 Meishan Road, Hefei, Anhui 230032, China.
| | - Shilei Lin
- Department of Teaching Center for Preventive Medicine, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui 230032, China.
| | - Rui Ding
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui 230032, China.
| | - Jiyu Cao
- Department of Teaching Center for Preventive Medicine, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui 230032, China.
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103
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Mork D, Wilson A. Treed distributed lag nonlinear models. Biostatistics 2021; 23:754-771. [PMID: 33527997 DOI: 10.1093/biostatistics/kxaa051] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 10/07/2020] [Accepted: 11/01/2020] [Indexed: 11/14/2022] Open
Abstract
In studies of maternal exposure to air pollution, a children's health outcome is regressed on exposures observed during pregnancy. The distributed lag nonlinear model (DLNM) is a statistical method commonly implemented to estimate an exposure-time-response function when it is postulated the exposure effect is nonlinear. Previous implementations of the DLNM estimate an exposure-time-response surface parameterized with a bivariate basis expansion. However, basis functions such as splines assume smoothness across the entire exposure-time-response surface, which may be unrealistic in settings where the exposure is associated with the outcome only in a specific time window. We propose a framework for estimating the DLNM based on Bayesian additive regression trees. Our method operates using a set of regression trees that each assume piecewise constant relationships across the exposure-time space. In a simulation, we show that our model outperforms spline-based models when the exposure-time surface is not smooth, while both methods perform similarly in settings where the true surface is smooth. Importantly, the proposed approach is lower variance and more precisely identifies critical windows during which exposure is associated with a future health outcome. We apply our method to estimate the association between maternal exposures to PM$_{2.5}$ and birth weight in a Colorado, USA birth cohort.
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Affiliation(s)
- Daniel Mork
- Statistics Department, Colorado State University, 1877 Campus Delivery, Fort Collins, CO, USA 80523
| | - Ander Wilson
- Statistics Department, Colorado State University, 1877 Campus Delivery, Fort Collins, CO, USA 80523
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Liu X, Fu L, Yang X, Wang Z. Exposure to O 3 during pregnancy and offspring asthma induced by OVA: Sensitive window identification. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 270:116297. [PMID: 33348144 DOI: 10.1016/j.envpol.2020.116297] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 11/13/2020] [Accepted: 12/10/2020] [Indexed: 06/12/2023]
Abstract
BACKGROUND Evidence proved that gestational ozone (O3) exposure can increase the risk of neonatal adverse respiratory outcomes, but offspring asthma is unclear. OBJECTIVE This study aimed to investigate whether gestational O3 exposure could exacerbate offspring asthma, and to research the differences in effects of O3 exposure at different gestational periods on offspring asthma. METHODS The pregnant ICR mice were randomly grouped and were administered O3 (air as control) at gestational day (GD) 1-6, 7-12, and 13-18, respectively. The pups aged 2-4 weeks were treated with ovalbumin (OVA) to establish a model of early life asthma. Asthma characteristics such as pulmonary inflammation, goblet cell proliferation, airway remodeling, OVA-specific immunoglobulin (Ig) E secretion and cytokines were examined. RESULTS OVA sensitization and challenge successfully induced asthma in offspring. Compared with the air control, pulmonary inflammation infiltration, mucous secretion, the concentration of OVA-specific IgE, the level of tumor necrosis factor (TNF)-α, and T helper (Th) 2-skewed response were significantly exacerbated when O3 exposure at GD13-18 following inhaling OVA, while pulmonary inflammatory infiltration, mucus secretion, and Th2-skewed response were not significantly changed when O3 exposure at both GD1-6 and GD7-12. What's more, the above indicators in asthmatic offspring due to O3 exposure at GD13-18 were more severe than at GD1-6 and GD7-12. Interestingly, the signs of asthma only appeared in the offspring after OVA inhalation. When offspring were not treated with OVA, the prenatal O3 exposure alone did not lead to asthmatic reactions in offspring. In addition, O3 exposure at GD13-18 markedly increased the number of neutrophils and macrophages in Bronchoalveolar Lavage Fluid (BALF) of asthmatic offspring, and significantly exacerbated Th2 immune imbalance in asthmatic offspring, but had no effect on Th17 immune imbalance. CONCLUSION Exposure to O3 during pregnancy aggravated asthma in offspring, in which the third trimester is the most sensitive window.
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Affiliation(s)
- Xinai Liu
- Department of Occupational and Environmental Health, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China
| | - Lingling Fu
- Department of Occupational and Environmental Health, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China
| | - Xiwei Yang
- Department of Occupational and Environmental Health, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China
| | - Zhiping Wang
- Department of Occupational and Environmental Health, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, 250012, China.
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105
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Chen Y, Hodgson S, Gulliver J, Granell R, Henderson AJ, Cai Y, Hansell AL. Trimester effects of source-specific PM 10 on birth weight outcomes in the Avon Longitudinal Study of Parents and Children (ALSPAC). Environ Health 2021; 20:4. [PMID: 33413476 PMCID: PMC7788701 DOI: 10.1186/s12940-020-00684-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 12/07/2020] [Indexed: 06/12/2023]
Abstract
BACKGROUND Evidence suggests that exposure to particulate matter with aerodynamic diameter less than 10 μm (PM10) is associated with reduced birth weight, but information is limited on the sources of PM10 and exposure misclassification from assigning exposures to place of residence at birth. METHODS Trimester and source-specific PM10 exposures (PM10 from road source, local non-road source, and total source) in pregnancy were estimated using dispersion models and a full maternal residential history for 12,020 births from the Avon longitudinal study of parents and children (ALSPAC) cohort in 1990-1992 in the Bristol area. Information on birth outcomes were obtained from birth records. Maternal sociodemographic and lifestyle factors were obtained from questionnaires. We used linear regression models for continuous outcomes (birth weight, head circumference (HC), and birth length (BL) and logistic regression models for binary outcomes (preterm birth (PTB), term low birth weight (TLBW) and small for gestational age (SGA)). Sensitivity analysis was performed using multiple imputation for missing covariate data. RESULTS After adjustment, interquartile range increases in source specific PM10 from traffic were associated with 17 to 18% increased odds of TLBW in all pregnancy periods. We also found odds of TLBW increased by 40% (OR: 1.40, 95%CI: 1.12, 1.75) and odds of SGA increased by 18% (OR: 1.18, 95%CI: 1.05, 1.32) per IQR (6.54 μg/m3) increase of total PM10 exposure in the third trimester. CONCLUSION This study adds to evidence that maternal PM10 exposures affect birth weight, with particular concern in relation to exposures to PM10 from road transport sources; results for total PM10 suggest greatest effect in the third trimester. Effect size estimates relate to exposures in the 1990s and are higher than those for recent studies - this may relate to reduced exposure misclassification through use of full residential history information, changes in air pollution toxicity over time and/or residual confounding.
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Affiliation(s)
- Yingxin Chen
- Centre for Environmental Health and Sustainability, George Davies Centre, University of Leicester, University Road, Leicester, LE1 7RH UK
| | - Susan Hodgson
- MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
| | - John Gulliver
- Centre for Environmental Health and Sustainability, George Davies Centre, University of Leicester, University Road, Leicester, LE1 7RH UK
- MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
| | - Raquel Granell
- MRC Integrative Epidemiology Unit, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - A. John Henderson
- MRC Integrative Epidemiology Unit, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Yutong Cai
- Nuffield Department of Women’s and Reproductive Health, University of Oxford, Oxford, UK
- Deep Medicine Programme, Oxford Martin School, University of Oxford, Oxford, UK
| | - Anna L. Hansell
- Centre for Environmental Health and Sustainability, George Davies Centre, University of Leicester, University Road, Leicester, LE1 7RH UK
- MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, UK
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106
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Wang Q, Miao H, Warren JL, Ren M, Benmarhnia T, Knibbs LD, Zhang H, Zhao Q, Huang C. Association of maternal ozone exposure with term low birth weight and susceptible window identification. ENVIRONMENT INTERNATIONAL 2021; 146:106208. [PMID: 33129003 DOI: 10.1016/j.envint.2020.106208] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 10/09/2020] [Accepted: 10/10/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Ozone pollution keeps deteriorating in the context of climate change. Maternal ozone exposure may be associated with low birth weight (LBW), but the results are still inconsistent. The identification of the critical exposure windows, a specific period of particular susceptibility during pregnancy, remains unresolved. We aimed to evaluate whether ozone exposure was associated with term LBW and further identify the susceptible exposure windows. METHODS A retrospective cohort study was conducted in Guangzhou, a megacity in the most populous and economically developed city clusters in China. We included 444,096 singleton live births between January 2015 and July 2017. From 11 fixed stations, we collected daily 1-h maximum and 8-h maximum moving average ozone level (O3-1 h and O3-8 h) and calculated exposures for each participant based on their district of residence during pregnancy. We used traditional Logistic regression to estimate the trimester-specific association between ozone exposure and term LBW, and further estimated monthly- and weekly association by distributed lag models (DLMs) with Logistic regression. Odds ratios (ORs) and 95% confidence intervals (CIs) of term LBW were calculated for an interquartile range (IQR) increase in ozone exposure. Stratified analyses and heterogeneity tests were conducted by maternal age and infant sex. RESULTS The incidence of term LBW was 1.9%. During the study period, the mean O3-1 h and O3-8 h levels were 112.6 µg/m3 and 84.5 µg/m3, respectively. Increased O3-1 h (IQR: 90 µg/m3) and O3-8 h (73 µg/m3) exposure during the second trimester were associated with increased risk of term LBW. At a monthly level, the term LBW risk was associated with O3-1 h exposure during the 4th-6th month and O3-8 h exposure during the 6th month. By estimating the weekly-specific association, we observed that critical exposure windows were the 15th- 26th gestational weeks for O3-1 h, and the 20th-26th weeks for O3-8 h, respectively. Estimated ORs and 95% CIs ranged from 1.012 (1.000, 1.024) to 1.023 (1.007, 1.039). When examined by subgroups, the effects were present among women ≥ 35 years or < 25 years old and those with female babies. CONCLUSIONS This study provides compelling evidence that exposure to O3 was associated with increased risk of term LBW, and gestational weeks 15th- 26th was found to be particularly susceptible. These findings provide a research basis for further mechanism examination, public health interventions, and targeted environmental policy-making.
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Affiliation(s)
- Qiong Wang
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Huazhang Miao
- Department of Healthcare, Guangdong Women and Children Hospital, Guangzhou, China
| | - Joshua L Warren
- Department of Biostatistics, Yale School of Public Health, New Haven, USA
| | - Meng Ren
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Tarik Benmarhnia
- Department of Family Medicine and Public Health, University of California, San Diego, USA; Scripps Institution of Oceanography, University of California, San Diego, USA
| | - Luke D Knibbs
- School of Public Health, The University of Queensland, Brisbane, Australia
| | - Huanhuan Zhang
- School of Public Health, Zhengzhou University, Zhengzhou, China
| | - Qingguo Zhao
- Epidemiological Research Office of Key Laboratory of Male Reproduction and Genetics (National Health and Family Planning Commission), Family Planning Research Institute of Guangdong Province/Family Planning Special Hospital of Guangdong Province, Guangzhou, China.
| | - Cunrui Huang
- School of Public Health, Sun Yat-sen University, Guangzhou, China; School of Public Health, Zhengzhou University, Zhengzhou, China; Shanghai Typhoon Institute, China Meteorological Administration, Shanghai, China; Shanghai Key Laboratory of Meteorology and Health, Shanghai Meteorological Service, Shanghai, China.
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107
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Rivera Rivera NY, Tamayo-Ortiz M, Mercado García A, Just AC, Kloog I, Téllez-Rojo MM, Wright RO, Wright RJ, Rosa MJ. Prenatal and early life exposure to particulate matter, environmental tobacco smoke and respiratory symptoms in Mexican children. ENVIRONMENTAL RESEARCH 2021; 192:110365. [PMID: 33223137 PMCID: PMC7736115 DOI: 10.1016/j.envres.2020.110365] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 10/19/2020] [Accepted: 10/19/2020] [Indexed: 05/05/2023]
Abstract
BACKGROUND Exposure to particulate matter <2.5 μm in diameter (PM2.5) and environmental tobacco smoke (ETS) are associated with respiratory morbidity starting in utero. However, their potential synergistic effects have not been completely elucidated. Here, we examined the joint effects of prenatal and early life PM2.5 and prenatal ETS exposure on respiratory outcomes in children. MATERIAL AND METHODS We studied 536 mother-child dyads in the Programming Research in Obesity, Growth, Environment and Social Stressors (PROGRESS) study in Mexico City. Exposure to PM2.5 was estimated using residence in pregnancy and child's first year of life with a satellite-based spatio-temporal model. ETS exposure was assessed by caregiver's report of any smoker in the household during the second or third trimester. Outcomes included report of ever wheeze and wheeze in the past 12 months (current wheeze) assessed when children were 6-8 years old considered in separate models. Associations were modeled using distributed lag models (DLM) with daily PM2.5 averages for pregnancy and the first year of life, adjusting for child's sex, birth weight z-score, mother's age and education at enrollment, maternal asthma, season of conception and stratified by prenatal ETS exposure (yes/no). RESULTS We identified a sensitive window from gestational week 14 through postnatal week 18 during which PM2.5 was associated with higher risk of ever wheeze at age 6-8 years. We also observed a critical window of PM2.5 exposure between postnatal weeks 6-39 and higher risk of current wheeze. We found significant associations between higher prenatal and early life PM2.5 exposure and higher cumulative risk ratios of ever wheeze (RR:3.76, 95%CI [1.41, 10.0] per 5 μg/m3) and current wheeze in the past year (RR:7.91, 95%CI [1.5, 41.6] per 5 μg/m3) only among children born to mothers exposed to ETS in pregnancy when compared to mothers who were not exposed. CONCLUSIONS Exposure to prenatal ETS modified the association between prenatal and early life PM2.5 exposure and respiratory outcomes at age 6-8 years. It is important to consider concurrent chemical exposures to more comprehensively characterize children's environmental risk. Interventions aimed at decreasing passive smoking might mitigate the effects of ambient air pollution.
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Affiliation(s)
- Nadya Y Rivera Rivera
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Marcela Tamayo-Ortiz
- National Council of Science and Technology (CONACYT) - National Institute of Public Health (INSP), Cuernavaca, Morelos, Mexico
| | - Adriana Mercado García
- Center for Nutrition and Health Research, National Institute of Public Health, Cuernavaca, Morelos, Mexico
| | - Allan C Just
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Institute for Exposomic Research, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Itai Kloog
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Department of Geography and Environmental Development, Ben-Gurion University of the Negev, P.O.B. Beer Sheva, Israel; Institute for Exposomic Research, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Martha Maria Téllez-Rojo
- Center for Nutrition and Health Research, National Institute of Public Health, Cuernavaca, Morelos, Mexico
| | - Robert O Wright
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Institute for Exposomic Research, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Rosalind J Wright
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Institute for Exposomic Research, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Kravis Children's Hospital, Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Maria José Rosa
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Institute for Exposomic Research, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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108
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Nordeide Kuiper I, Svanes C, Markevych I, Accordini S, Bertelsen RJ, Bråbäck L, Heile Christensen J, Forsberg B, Halvorsen T, Heinrich J, Hertel O, Hoek G, Holm M, de Hoogh K, Janson C, Malinovschi A, Marcon A, Miodini Nilsen R, Sigsgaard T, Johannessen A. Lifelong exposure to air pollution and greenness in relation to asthma, rhinitis and lung function in adulthood. ENVIRONMENT INTERNATIONAL 2021; 146:106219. [PMID: 33126061 DOI: 10.1016/j.envint.2020.106219] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 10/06/2020] [Accepted: 10/14/2020] [Indexed: 06/11/2023]
Abstract
OBJECTIVES To investigate if air pollution and greenness exposure from birth till adulthood affects adult asthma, rhinitis and lung function. METHODS We analysed data from 3428 participants (mean age 28) in the RHINESSA study in Norway and Sweden. Individual mean annual residential exposures to nitrogen dioxide (NO2), particulate matter (PM10 and PM2.5), black carbon (BC), ozone (O3) and greenness (normalized difference vegetation index (NDVI)) were averaged across susceptibility windows (0-10 years, 10-18 years, lifetime, adulthood (year before study participation)) and analysed in relation to physician diagnosed asthma (ever/allergic/non-allergic), asthma attack last 12 months, current rhinitis and low lung function (lower limit of normal (LLN), z-scores of forced expiratory volume in one second (FEV1), forced vital capacity (FVC) and FEV1/FVC below 1.64). We performed logistic regression for asthma attack, rhinitis and LLN lung function (clustered with family and study centre), and conditional logistic regression with a matched case-control design for ever/allergic/non-allergic asthma. Multivariable models were adjusted for parental asthma and education. RESULTS Childhood, adolescence and adult exposure to NO2, PM10 and O3 were associated with an increased risk of asthma attacks (ORs between 1.29 and 2.25), but not with physician diagnosed asthma. For rhinitis, adulthood exposures seemed to be most important. Childhood and adolescence exposures to PM2.5 and O3 were associated with lower lung function, in particular FEV1 (range ORs 2.65 to 4.21). No associations between NDVI and asthma or rhinitis were revealed, but increased NDVI was associated with lower FEV1 and FVC in all susceptibility windows (range ORs 1.39 to 1.74). CONCLUSIONS Air pollution exposures in childhood, adolescence and adulthood were associated with increased risk of asthma attacks, rhinitis and low lung function in adulthood. Greenness was not associated with asthma or rhinitis, but was a risk factor for low lung function.
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Affiliation(s)
- Ingrid Nordeide Kuiper
- Department of Occupational Medicine, Haukeland University Hospital, Bergen, Norway; Centre for International Health, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway.
| | - Cecilie Svanes
- Department of Occupational Medicine, Haukeland University Hospital, Bergen, Norway; Centre for International Health, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
| | - Iana Markevych
- Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, Ludwig Maximilian University of Munich, Munich, Germany; Institute of Psychology, Jagiellonian University, Krakow, Poland; Institute of Epidemiology, Helmholtz Zentrum München-German Research Center for Environmental Health, Neuherberg, Germany
| | - Simone Accordini
- Unit of Epidemiology and Medical Statistics, Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - Randi J Bertelsen
- Department of Clinical Science, University of Bergen, Bergen, Norway; Oral Health Centre of Expertise in Western Norway, Bergen, Norway
| | - Lennart Bråbäck
- Section of Sustainable Health, Department of Public Health and Clinical Medicine, Umea University, Umea, Sweden
| | | | - Bertil Forsberg
- Department of Environmental Science, Aarhus University, Denmark
| | - Thomas Halvorsen
- Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Joachim Heinrich
- Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, Ludwig Maximilian University of Munich, Munich, Germany; Allergy and Lung Health Unit, Melbourne School of Population and Global Health, University of Melbourne, Melbourne, Australia
| | - Ole Hertel
- Allergy and Lung Health Unit, Melbourne School of Population and Global Health, University of Melbourne, Melbourne, Australia
| | - Gerard Hoek
- Institute for Risk Assessment Sciences, Utrecht University, Utrecht, the Netherlands
| | - Mathias Holm
- Occupational and Environmental Medicine, School of Public Health and Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Kees de Hoogh
- Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland
| | - Christer Janson
- Department of Medical Sciences: Respiratory, Allergy and Sleep Research, Uppsala University, Uppsala, Sweden
| | - Andrei Malinovschi
- Department of Medical Sciences: Clinical Physiology, Uppsala University, Uppsala, Sweden
| | - Alessandro Marcon
- Unit of Epidemiology and Medical Statistics, Department of Diagnostics and Public Health, University of Verona, Verona, Italy
| | - Roy Miodini Nilsen
- Department of Health and Functioning, Western Norway University of Applied Sciences, Bergen, Norway
| | - Torben Sigsgaard
- Section of Environment, Occupation & Health, Institute of Public Health, Aarhus University, Aarhus Denmark
| | - Ane Johannessen
- Centre for International Health, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
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Lavigne E, Lima I, Hatzopoulou M, Van Ryswyk K, van Donkelaar A, Martin RV, Chen H, Stieb DM, Crighton E, Burnett RT, Weichenthal S. Ambient ultrafine particle concentrations and incidence of childhood cancers. ENVIRONMENT INTERNATIONAL 2020; 145:106135. [PMID: 32979813 DOI: 10.1016/j.envint.2020.106135] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 09/03/2020] [Accepted: 09/11/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Ambient air pollution has been associated with childhood cancer. However, little is known about the possible impact of ambient ultrafine particles (<0.1 μm) (UFPs) on childhood cancer incidence. OBJECTIVE This study aimed to evaluate the association between prenatal and childhood exposure to UFPs and development of childhood cancer. METHODS We conducted a population-based cohort study of within-city spatiotemporal variations in ambient UFPs across the City of Toronto, Canada using 653,702 singleton live births occurring between April 1, 1998 and March 31, 2017. Incident cases of 13 subtypes of paediatric cancers among children up to age 14 were ascertained using a cancer registry. Associations between ambient air pollutant concentrations and childhood cancer incidence were estimated using random-effects Cox proportional hazards models. We investigated both single- and multi-pollutant models accounting for co-exposures to PM2.5 and NO2. RESULTS A total of 1,066 childhood cancers were identified. We found that first trimester exposure to UFPs (Hazard Ratio (HR) per 10,000/cm3 increase = 1.13, 95% CI: 1.03-1.22) was associated with overall cancer incidence diagnosed before 6 years of age after adjusting for PM2.5, NO2, and for personal and neighborhood-level covariates. Association between UFPs and overall cancer incidence exhibited a linear shape. No statistically significant associations were found for specific cancer subtypes. CONCLUSION Ambient UFPs may represent a previously unrecognized risk factor in the aetiology of cancers in children. Our findings reinforce the importance of conducting further research on the effects of UFPs given their high prevalence of exposure in urban areas.
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Affiliation(s)
- Eric Lavigne
- Air Health Science Division, Health Canada, Ottawa, Ontario, Canada; School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada.
| | - Isac Lima
- Institute for Clinical Evaluative Sciences, Ottawa, Ontario, Canada; Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | - Marianne Hatzopoulou
- Department of Civil Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Keith Van Ryswyk
- Air Health Science Division, Health Canada, Ottawa, Ontario, Canada
| | - Aaron van Donkelaar
- Department of Physics and Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, Canada; Harvard-Smithsonian Centre for Astrophysics, Cambridge, MA, USA; Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, St. Louis, MO, USA
| | - Randall V Martin
- Department of Physics and Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, Canada; Harvard-Smithsonian Centre for Astrophysics, Cambridge, MA, USA; Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, St. Louis, MO, USA
| | - Hong Chen
- Population Studies Division, Health Canada, Ottawa, Ontario, Canada; Public Health Ontario, Toronto, Ontario, Canada; Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada; Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada
| | - David M Stieb
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada; Population Studies Division, Health Canada, Vancouver, British Columbia, Canada
| | - Eric Crighton
- Institute for Clinical Evaluative Sciences, Ottawa, Ontario, Canada; Department of Geography, Environment and Geomatics, University of Ottawa, Ottawa, Ontario, Canada
| | - Richard T Burnett
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario, Canada; Population Studies Division, Health Canada, Ottawa, Ontario, Canada
| | - Scott Weichenthal
- Air Health Science Division, Health Canada, Ottawa, Ontario, Canada; Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada
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110
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Buxton MA, Perng W, Tellez-Rojo MM, Rodríguez-Carmona Y, Cantoral A, Sánchez BN, Rivera-González LO, Gronlund CJ, Shivappa N, Hébert JR, O'Neill MS, Peterson KE. Particulate matter exposure, dietary inflammatory index and preterm birth in Mexico city, Mexico. ENVIRONMENTAL RESEARCH 2020; 189:109852. [PMID: 32979989 PMCID: PMC7525039 DOI: 10.1016/j.envres.2020.109852] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 06/09/2020] [Accepted: 06/17/2020] [Indexed: 05/22/2023]
Abstract
BACKGROUND Particulate matter ≤10 μm in aerodynamic diameter (PM10) and diet quality are risk factors for systemic inflammation, which is associated with preterm birth (PTB). PM10 and a pro-inflammatory diet (assessed by the Dietary Inflammatory Index [DII®]) have been individually evaluated as causes of PTB and differences by offspring sex have been reported for the DII. However, additional studies are needed to evaluate joint effects of these associations to inform intervention efforts. OBJECTIVES To evaluate the independent and joint effects of PM10 and energy-adjusted DII (E-DII) on PTB risks. METHODS PM10 estimates were generated from daily citywide averages for 1216 pregnant women from three subcohorts of the Early Life Exposures in Mexico to Environmental Toxicants study using data from the Mexico City Outdoor Air Monitoring Network. Among a subset of participants (N = 620), E-DII scores were calculated using a validated food frequency questionnaire. Cox Proportional Hazards models were run for select periods during pregnancy and entire pregnancy averages for E-DII and PM10. We assessed for potential non-linear associations using natural splines. RESULTS In adjusted models, PM10 exposure was associated with increased risks of PTB for a range of values (58-72 μg/m3) during the second trimester, while negative associations were seen during the second (≥74 μg/m3) and third trimesters (55-65 μg/m3). Analyses conducted using distributed lag models for periods closer to delivery (max lag = 90) did not show negative associations between PM10 exposure and preterm birth, and indeed positive significant associations were observed (estimates and figures). E-DII was not associated with PTB and there was no evidence of effect modification by infant sex. There was no evidence of interaction between PM10 and E-DII and the risk of preterm birth. DISCUSSION Associations between PM10 and PTB in Mexico City varied over time and across levels of PM10. Our findings of negative associations in the second and third trimesters, which are contrary to the hypothesized relationship between PM10 and PTB, may be due to a number of factors, including live birth bias and the exposure period evaluated. Differences in results for the periods evaluated suggest that PM10 from shorter exposure windows may play a more proximal role in initiating preterm labor.
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Affiliation(s)
- Miatta A Buxton
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA.
| | - Wei Perng
- Department of Epidemiology, School of Public Health, University of Colorado, Aurora, CO, USA
| | - Martha María Tellez-Rojo
- Center for Research on Nutrition and Health, National Institute of Public Health, Cuernavaca, Morelos, Mexico
| | - Yanelli Rodríguez-Carmona
- Department of Nutritional Sciences, School of Public Health, University of Michigan, Ann Arbor MI, USA
| | - Alejandra Cantoral
- Center for Research on Nutrition and Health, National Institute of Public Health, Cuernavaca, Morelos, Mexico
| | - Brisa N Sánchez
- Department of Epidemiology and Biostatistics, School of Public Health, Drexel University, Philadelphia, PA, USA
| | - Luis O Rivera-González
- Division of Community Health Investigations, Agency for Toxic Substances and Disease Registry, (CDC/ATSDR), Edison, NJ, USA
| | - Carina J Gronlund
- Institute for Social Research, Survey Research Center, University of Michigan, Ann Arbor, MI, USA
| | - Nitin Shivappa
- Department of Epidemiology and Biostatistics, School of Public Health, University of South Carolina, Columbia, SC, USA; Connecting Health Innovations LLC, Columbia, SC, USA
| | - James R Hébert
- Department of Epidemiology and Biostatistics, School of Public Health, University of South Carolina, Columbia, SC, USA; Connecting Health Innovations LLC, Columbia, SC, USA
| | - Marie S O'Neill
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA; Department of Environmental Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, USA
| | - Karen E Peterson
- Department of Nutritional Sciences, School of Public Health, University of Michigan, Ann Arbor MI, USA
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Sun S, Zhao J, Cao W, Lu W, Zheng T, Zeng Q. Identifying critical exposure windows for ambient air pollution and semen quality in Chinese men. ENVIRONMENTAL RESEARCH 2020; 189:109894. [PMID: 32678738 DOI: 10.1016/j.envres.2020.109894] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 06/28/2020] [Accepted: 06/29/2020] [Indexed: 06/11/2023]
Abstract
Emerging studies documented the association between ambient air pollution exposure and semen quality, but the critical exposure windows have not been comprehensively studied. To identify susceptible windows for associations of exposure to ambient respirable particulate matter (PM10), nitrogen dioxide (NO2), sulfur dioxide (SO2), and ozone (O3) with sperm concentration, sperm count, total motility, and progressive motility, we recruited 1061 men attending an infertility clinic in Wuhan, China, between 2011 and 2013. We used a distributed lag multivariate linear regression to assess the exposure-lag-response relationship between semen quality and weekly air pollution exposure. The critical exposure windows were during the 6th to 12th sperm development weeks for PM10, 10th to 11th weeks for O3, and 0 to 5th weeks for SO2. Over the entire 12 weeks of spermatogenesis period, an interquartile range increase (IQR) increase in PM10 was associated with declined sperm concentration [-45.64% (95% CI: -59.97%, -26.18%) percent decrease], declined sperm count [-49.42% (95% CI: -64.42%, -28.09%) percent decrease], reduced total motility [-12.42 (95% CI: -20.47, -4.37)], and reduced progressive motility [-8.81 (95% CI: -16.00, -1.61)], SO2 per IQR increase was associated with reduced sperm concentration [-39.73% (95% CI: -55.96%, -17.51%) percent decrease] and total motility [-8.64 (95% CI: -16.90, -0.38)], but NO2 and O3 were not associated with any of the four sperm quality parameters. Our findings suggest that exposure to PM10 during spermatidogenesis period, exposure to SO2 during spermatocytogenesis period, and exposure to O3 during spermiogenesis period were associated with impaired semen quality, which implies air pollutants impair semen quality through varied pathways.
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Affiliation(s)
- Shengzhi Sun
- Department of Environmental Health, Boston University School of Public Health, 715 Albany Street, Boston, MA, 02118, USA
| | - Jinzhu Zhao
- Department of Pediatrics, Tongji Hospital, Tongji Medical College, Huazhong University of Science & Technology, PR China
| | - Wangnan Cao
- Center for Evidence Synthesis in Health, Brown University School of Public Health, Providence, RI, 02912, USA
| | - Wenqing Lu
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Tongzhang Zheng
- Department of Epidemiology, Brown University School of Public Health, Providence, RI, 02906, USA
| | - Qiang Zeng
- Department of Occupational and Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, State Key Laboratory of Environmental Health (incubating), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China; Department of Epidemiology, Brown University School of Public Health, Providence, RI, 02906, USA.
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112
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Cai Y, Hansell AL, Granell R, Blangiardo M, Zottoli M, Fecht D, Gulliver J, Henderson AJ, Elliott P. Prenatal, Early-Life, and Childhood Exposure to Air Pollution and Lung Function: The ALSPAC Cohort. Am J Respir Crit Care Med 2020; 202:112-123. [PMID: 32142356 DOI: 10.1164/rccm.201902-0286oc] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Rationale: Exposure to air pollution during intrauterine development and through childhood may have lasting effects on respiratory health.Objectives: To investigate lung function at ages 8 and 15 years in relation to air pollution exposures during pregnancy, infancy, and childhood in a UK population-based birth cohort.Methods: Individual exposures to source-specific particulate matter ≤10 μm in aerodynamic diameter (PM10) during each trimester, 0-6 months, 7-12 months (1990-1993), and up to age 15 years (1991-2008) were examined in relation to FEV1% predicted and FVC% predicted at ages 8 (n = 5,276) and 15 (n = 3,446) years using linear regression models adjusted for potential confounders. A profile regression model was used to identify sensitive time periods.Measurements and Main Results: We did not find clear evidence of a sensitive exposure period for PM10 from road traffic. At age 8 years, 1 μg/m3 higher exposure during the first trimester was associated with lower FEV1% predicted (-0.826; 95% confidence interval [CI], -1.357 to -0.296) and FVC% predicted (-0.817; 95% CI, -1.357 to -0.276), but similar associations were seen for exposures for other trimesters, 0-6 months, 7-12 months, and 0-7 years. Associations were stronger among boys, as well as children whose mother had a lower education level or smoked during pregnancy. For PM10 from all sources, the third trimester was associated with lower FVC% predicted (-1.312; 95% CI, -2.100 to -0.525). At age 15 years, no adverse associations with lung function were seen.Conclusions: Exposure to road-traffic PM10 during pregnancy may result in small but significant reductions in lung function at age 8 years.
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Affiliation(s)
- Yutong Cai
- MRC Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, and.,MRC Centre for Environment and Health, Department of Analytical, Environmental and Forensic Sciences, School of Population Health and Environmental Science, King's College London, London, United Kingdom.,The George Institute for Global Health, University of Oxford, Oxford, United Kingdom
| | - Anna L Hansell
- MRC Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, and.,Centre for Environmental Health and Sustainability, University of Leicester, Leicester, United Kingdom
| | - Raquel Granell
- MRC Integrative Epidemiology Unit, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Marta Blangiardo
- MRC Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, and
| | - Mariagrazia Zottoli
- The George Institute for Global Health, University of Oxford, Oxford, United Kingdom
| | - Daniela Fecht
- MRC Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, and
| | - John Gulliver
- MRC Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, and.,Centre for Environmental Health and Sustainability, University of Leicester, Leicester, United Kingdom
| | - A John Henderson
- MRC Integrative Epidemiology Unit, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Paul Elliott
- MRC Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, and.,UK Dementia Research Institute, Imperial College London, London, United Kingdom.,Imperial Biomedical Research Centre, Imperial College London and Imperial College NHS Healthcare Trust, London, United Kingdom.,National Institute for Health Research Health Protection Research Unit in Health Impact of Environmental Hazards, London, United Kingdom; and.,Health Data Research UK - London, London, United Kingdom
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113
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Prenatal PM 2.5 exposure and behavioral development in children from Mexico City. Neurotoxicology 2020; 81:109-115. [PMID: 32950567 DOI: 10.1016/j.neuro.2020.09.036] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 09/06/2020] [Accepted: 09/14/2020] [Indexed: 12/28/2022]
Abstract
BACKGROUND Childhood exposure to air pollution has been linked with maladaptive cognitive development; however, less is known about the association between prenatal fine particulate matter (PM2.5) exposure and childhood behavior. OBJECTIVES Our aim was to assess the association between prenatal PM2.5 exposure and behavioral development in 4-6 year old children residing in Mexico City. METHODS We used data from 539 mother-child pairs enrolled in a prospective birth cohort in Mexico City. We estimated daily PM2.5 exposure using a 1 km2 satellite-based exposure model and averaged over each trimester of pregnancy. We assessed childhood behavior at 4-6 years of age using the parent-completed Behavioral Assessment Scale for Children (BASC-2) composite scores and subscales. We used linear regression models to estimate change in BASC-2 T-scores with trimester specific 5-μg/m3 increases in PM2.5. All models were mutually adjusted for PM2.5 exposures during the other trimesters, maternal factors including age, education, socioeconomic status, depression, and IQ, child's age at study visit, and season. We additionally assessed sex-specific effects by including an interaction term between PM2.5 and sex. RESULTS Higher first trimester PM2.5 exposure was associated with reduced Adaptive Skills scores (β: -1.45, 95% CI: -2.60, -0.30). Lower scores on the Adaptive Skills composite score and subscales indicate poorer functioning. For PM2.5 exposure during the first trimester, decrements were consistent across adaptive subscale scores including Adaptability (β: -1.51, 95% CI: -2.72, -0.30), Social Skills (β: -1.63, 95% CI: -2.90, -0.36), and Functional Communication (β: -1.21, 95% CI: -2.21, -0.21). The association between 1st trimester PM2.5 and depression was stronger in males than females (β for males: 1.52, 95% CI: -0.41, 3.45; β for females: -0.13, 95% CI: -1.99, 1.72; p-int: 0.07). CONCLUSIONS Exposure to PM2.5 during early pregnancy may be associated with impaired behavioral development in children, particularly for measures of adaptive skills. These results suggest that air pollution impacts behavioral domains as well as cognition, and that the timing of exposure may be critical.
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114
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Associations Between Ambient Air Pollutant Concentrations and Birth Weight: A Quantile Regression Analysis. Epidemiology 2020; 30:624-632. [PMID: 31386644 DOI: 10.1097/ede.0000000000001038] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
INTRODUCTION We investigated the extent to which associations of ambient air pollutant concentrations and birth weight varied across birth weight quantiles. METHODS We analyzed singleton births ≥27 weeks of gestation from 20-county metropolitan Atlanta with conception dates between January 1, 2002 and February 28, 2006 (N = 273,711). Trimester-specific and total pregnancy average concentrations for 10 pollutants, obtained from ground observations that were interpolated using 12-km Community Multiscale Air Quality model outputs, were assigned using maternal residence at delivery. We estimated associations between interquartile range width (IQRw) increases in pollutant concentrations and changes in birth weight using quantile regression. RESULTS Gestational age-adjusted associations were of greater magnitude at higher percentiles of the birth weight distribution. Pollutants with large vehicle source contributions (carbon monoxide, nitrogen dioxide, PM2.5 elemental carbon, and total PM2.5 mass), as well as PM2.5 sulfate and PM2.5 ammonium, were associated with birth weight decreases for the higher birth weight percentiles. For example, whereas the decrease in mean birthweight per IQRw increase in PM2.5 averaged over pregnancy was -7.8 g (95% confidence interval = -13.6, -2.0 g), the quantile-specific associations were: 10th percentile -2.4 g (-11.5, 6.7 g); 50th percentile -8.9 g (-15.7, -2.0g); and 90th percentile -19.3 g (-30.6, -7.9 g). Associations for the intermediate and high birth weight quantiles were not sensitive to gestational age adjustment. For some pollutants, we saw associations at the lowest quantile (10th percentile) when not adjusting for gestational age. CONCLUSIONS Associations between air pollution and reduced birth weight were of greater magnitude for newborns at relatively heavy birth weights.
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115
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Jakpor O, Chevrier C, Kloog I, Benmerad M, Giorgis-Allemand L, Cordier S, Seyve E, Vicedo-Cabrera AM, Slama R, Heude B, Schwartz J, Lepeule J. Term birthweight and critical windows of prenatal exposure to average meteorological conditions and meteorological variability. ENVIRONMENT INTERNATIONAL 2020; 142:105847. [PMID: 32559561 DOI: 10.1016/j.envint.2020.105847] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Revised: 05/16/2020] [Accepted: 06/01/2020] [Indexed: 05/02/2023]
Abstract
BACKGROUND Heat stress during pregnancy may limit fetal growth, with ramifications throughout the life course. However, critical exposure windows are unknown, and effects of meteorological variability have not been investigated. OBJECTIVES We aimed to identify sensitive windows for the associations of mean and variability of temperature and humidity with term birthweight. METHODS We analyzed data from two French mother-child cohorts, EDEN and PELAGIE (n = 4771), recruited in 2002-2006. Temperature exposure was assessed using a satellite-based model with daily 1-km2 resolution, and relative humidity exposure data were obtained from Météo France monitors. Distributed lag models were constructed using weekly means and standard deviation (SD, to quantify variability) from the first 37 gestational weeks. Analyses were then stratified by sex. Results for each exposure were adjusted for the other exposures, gestational age at birth, season and year of conception, cohort and recruitment center, and individual confounders. RESULTS There was no evidence of association between term birthweight and mean temperature. We identified a critical window in weeks 6-20 for temperature variability (cumulative change in term birthweight of -54.2 g [95% CI: -102, -6] for a 1 °C increase in SD of temperature for each week in that window). Upon stratification by sex of the infant, the relationship remained for boys (weeks 1-21, cumulative change: -125 g [95% CI: -228, -21]). For mean humidity, there was a critical window in weeks 26-37, with a cumulative change of -28 g (95% CI: -49, -7) associated with a 5% increase in humidity for each week. The critical window was longer and had a stronger association in boys (weeks 29-37; -37 g, 95% CI: -63, -11) than girls (week 14; -1.8 g, 95% CI: -3.6, -0.1). DISCUSSION Weekly temperature variability and mean humidity during critical exposure windows were associated with decreased term birthweight, especially in boys.
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Affiliation(s)
- Otana Jakpor
- Harvard Medical School, Boston, MA, USA; Univ. Grenoble Alpes, Inserm, CNRS, Team of Environmental Epidemiology Applied to Reproduction and Respiratory Health, IAB, 38000 Grenoble, France
| | - Cécile Chevrier
- Univ. Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000 Rennes, France
| | - Itai Kloog
- Department of Geography and Environmental Development, Ben-Gurion University of the Negev, Beer Sheva, Israel
| | - Meriem Benmerad
- Univ. Grenoble Alpes, Inserm, CNRS, Team of Environmental Epidemiology Applied to Reproduction and Respiratory Health, IAB, 38000 Grenoble, France
| | - Lise Giorgis-Allemand
- Univ. Grenoble Alpes, Inserm, CNRS, Team of Environmental Epidemiology Applied to Reproduction and Respiratory Health, IAB, 38000 Grenoble, France
| | - Sylvaine Cordier
- Univ. Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S 1085, F-35000 Rennes, France
| | - Emie Seyve
- Univ. Grenoble Alpes, Inserm, CNRS, Team of Environmental Epidemiology Applied to Reproduction and Respiratory Health, IAB, 38000 Grenoble, France
| | - Ana Maria Vicedo-Cabrera
- Department of Public Health, Environments and Society, London School of Hygiene and Tropical Medicine, London, UK
| | - Rémy Slama
- Univ. Grenoble Alpes, Inserm, CNRS, Team of Environmental Epidemiology Applied to Reproduction and Respiratory Health, IAB, 38000 Grenoble, France
| | - Barbara Heude
- Université de Paris, Centre for Research in Epidemiology and Statistics (CRESS), INSERM, INRAE, Paris, France
| | - Joel Schwartz
- Department of Environmental Health, Department of Epidemiology, Harvard TH Chan School of Public Health, Boston, MA, USA
| | - Johanna Lepeule
- Univ. Grenoble Alpes, Inserm, CNRS, Team of Environmental Epidemiology Applied to Reproduction and Respiratory Health, IAB, 38000 Grenoble, France.
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Lamichhane DK, Lee SY, Ahn K, Kim KW, Shin YH, Suh DI, Hong SJ, Kim HC. Quantile regression analysis of the socioeconomic inequalities in air pollution and birth weight. ENVIRONMENT INTERNATIONAL 2020; 142:105875. [PMID: 32590283 DOI: 10.1016/j.envint.2020.105875] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 04/02/2020] [Accepted: 05/16/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND An association between maternal exposure to air pollution and the birth weight distribution has been reported, but the extent to which this relationship varies according to socioeconomic status (SES) is unknown. This study examined the relationship using the data from a Korean birth cohort. METHODS Data for singleton births in Seoul from 2007 to 2017 (n = 1739) were analyzed. Maternal exposures to particulate matter with an aerodynamic diameter <10 µm (PM10) and <2.5 µm (PM2.5), as well as to nitrogen dioxide (NO2) and ozone (O3) for each trimester and the entire pregnancy were estimated using residential address, gestational age, and the birth date. The associations between the interquartile range (IQR) increases in pollutant concentrations and the changes in birth weight were examined using linear regression and quantile regression models. The socioeconomic disparities in the associations were investigated using a derived SES variable based on the composite of parental education and occupation. This SES variable was then interacted with the air pollutant. RESULTS In the gestational age-adjusted models, particulate air pollutants (PM10 and PM2.5) and O3 were associated with birth weight decreases for the lower birth weight percentiles. For example, the decrease in mean birthweight per IQR increase in PM2.5 during second trimester was -21.1 g (95% confidence interval (CI) = -41.8, -0.4), whereas the quantile-specific associations were: 10th percentile -27.0 g (95% CI = -46.6, -7.3); 50th percentile -22.2 g (95% CI = -39.6, -4.8); and 90th percentile -22.9 g (95% CI = -45.5, -0.2). Particulate air pollutants and O3 showed a pattern of socioeconomic inequalities; the reduced birth weight was of greater magnitude for children from a low SES group. CONCLUSIONS Negative associations between particulate air pollutants and O3 and birth weight were consistently greater at the lower quantiles of the birth weight distribution, especially in lower SES group.
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Affiliation(s)
- Dirga Kumar Lamichhane
- Department of Occupational and Environmental Medicine, Inha University School of Medicine, Incheon, Republic of Korea
| | - So-Yeon Lee
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Kangmo Ahn
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea; Environmental Health Center for Atopic Diseases, Samsung Medical Center, Seoul, Republic of Korea
| | - Kyung Won Kim
- Department of Pediatrics, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Youn Ho Shin
- Department of Pediatrics, CHA Gangnam Medical Center, CHA University School of Medicine, Seoul, Republic of Korea
| | - Dong In Suh
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Soo-Jong Hong
- Department of Pediatrics, Childhood Asthma Atopy Center, Humidifier Disinfectant Health Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
| | - Hwan-Cheol Kim
- Department of Occupational and Environmental Medicine, Inha University School of Medicine, Incheon, Republic of Korea.
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Tsamou M, Nawrot TS, Carollo RM, Trippas AJ, Lefebvre W, Vanpoucke C, Vrijens K. Prenatal particulate air pollution exposure and expression of the miR-17/92 cluster in cord blood: Findings from the ENVIRONAGE birth cohort. ENVIRONMENT INTERNATIONAL 2020; 142:105860. [PMID: 32599355 DOI: 10.1016/j.envint.2020.105860] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 05/27/2020] [Accepted: 05/29/2020] [Indexed: 05/28/2023]
Abstract
BACKGROUND Air pollution exposure during pregnancy is an important environmental health issue. Epigenetics mediate the effects of prenatal exposure and could increase disease predisposition in later life. The oncogenic miR-17/92 cluster is involved in normal development and disease. OBJECTIVES Here, for the first time the potential prenatal effects of particulate matter with a diameter<2.5 μm (PM2.5) exposure on expression of the miR-17/92 cluster in cord blood are explored. METHODS In 370 mother-newborn pairs from the ENVIRONAGE birth cohort, expression of three members of the miR-17/92 cluster was measured in cord blood by qRT-PCR. Expression of C-MYC and CDKN1A, a cluster activator and a target gene, respectively, was also analyzed. Multivariable linear regression models were used to associate the relative m(i)RNA expression with prenatal PM2.5 exposure. RESULTS PM2.5 exposure averaged (10th-90th percentile) 11.7 (9.0-14.4) µg/m3 over the entire pregnancy. In cord blood, miR-17 and miR-20a showed a -45.0% (95%CI: -55.9 to -31.4, p < 0.0001) and a -33.7% (95%CI: -46.9 to -17.2, p = 0.0003), decrease in expression in association with first trimester PM2.5 exposure, and a -32.5% (95%CI: -45.6 to -16.3, p = 0.0004) and -23.3% (95%CI: -38.1 to -4.8, p = 0.02), respectively, decrease in expression in association with PM2.5 exposure during the entire pregnancy. In association with third trimester PM2.5 exposure, a reduction of -25.8% (95%CI: -40.2 to -8.0, p = 0.007) and -14.2% (95%CI: -27.7 to 1.9, p = 0.08), for miR-20a and miR-92a expression, respectively, was identified. Only miR-92a expression (-15.7%, 95%CI: -27.3 to -2.4, p = 0.02) was associated with PM2.5 exposure during the last month of pregnancy. C-MYC expression was downregulated in cord blood in association with prenatal PM2.5 exposure during the first trimester and the entire pregnancy, in the adjusted model. DISCUSSION Lower expression levels of the miR-17/92 cluster in cord blood in association with increased prenatal PM2.5 exposure were observed. Whether this oncogenic microRNA cluster plays a role in trans-placental carcinogenesis remains to be elucidated.
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Affiliation(s)
- Maria Tsamou
- Center for Environmental Sciences, Hasselt University, Hasselt, Belgium
| | - Tim S Nawrot
- Center for Environmental Sciences, Hasselt University, Hasselt, Belgium; Department of Public Health, Environment & Health Unit, Leuven University (KU Leuven), Leuven, Belgium
| | | | - Ann-Julie Trippas
- Center for Environmental Sciences, Hasselt University, Hasselt, Belgium
| | - Wouter Lefebvre
- Flemish Institute for Technological Research (VITO), Mol, Belgium
| | | | - Karen Vrijens
- Center for Environmental Sciences, Hasselt University, Hasselt, Belgium.
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118
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Hu C, Sheng X, Li Y, Xia W, Zhang B, Chen X, Xing Y, Li X, Liu H, Sun X, Xu S. Effects of prenatal exposure to particulate air pollution on newborn mitochondrial DNA copy number. CHEMOSPHERE 2020; 253:126592. [PMID: 32289600 DOI: 10.1016/j.chemosphere.2020.126592] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 03/05/2020] [Accepted: 03/21/2020] [Indexed: 06/11/2023]
Abstract
Prenatal exposure to particulate matter (PM) in ambient air has been linked to changes in newborn mitochondrial DNA copy number (mtDNAcn), but the effects of exposure are inconsistent. We aimed to investigate the effect of weekly PM exposure during pregnancy on newborn mtDNAcn. The present study included 762 mother-infant pairs who were recruited in a birth cohort established between November 2013 and March 2015 in Wuhan, China. Mother's prenatal daily exposure to PM2.5 and PM10 was calculated using a spatial-temporal land use regression model. Relative mtDNAcn in cord blood leukocytes was determined by quantitative real-time polymerase chain reaction. Distributive lag regression models (DLMs) were applied to estimate the association between PM exposure and newborn mtDNAcn. In the adjusted models, prenatal PM2.5 exposure during 25-32 weeks and PM10 exposure during 25-31weeks were significantly associated with decreased cord blood mtDNAcn. PM2.5 exposure during the third trimester was related to decreased mtDNAcn (cumulative percent change: -8.55%, 95% CI: -13.32%, -3.51%). We also identified other exposure windows (17-22 and 11-22 weeks) in which PM exposure was positively associated with mtDNAcn. Overall, exposure to particulate air pollution during mid-to-late gestation is significantly associated with alterations in newborn mtDNAcn, potentially suggesting an enhanced sensitivity to PM exposure during this period.
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Affiliation(s)
- Chen Hu
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China
| | - Xia Sheng
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China
| | - Yuanyuan Li
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China
| | - Wei Xia
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China
| | - Bin Zhang
- Women and Children Medical and Healthcare Center of Wuhan, Wuhan, Hubei, People's Republic of China
| | - Xiaomei Chen
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China
| | - Yuling Xing
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China
| | - Xinping Li
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China
| | - Hongxiu Liu
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China
| | - Xiaojie Sun
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China
| | - Shunqing Xu
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China.
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Lee AG, Cowell W, Kannan S, Ganguri HB, Nentin F, Wilson A, Coull BA, Wright RO, Baccarelli A, Bollati V, Wright RJ. Prenatal particulate air pollution and newborn telomere length: Effect modification by maternal antioxidant intakes and infant sex. ENVIRONMENTAL RESEARCH 2020; 187:109707. [PMID: 32474316 PMCID: PMC7844769 DOI: 10.1016/j.envres.2020.109707] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 05/16/2020] [Accepted: 05/17/2020] [Indexed: 05/22/2023]
Abstract
BACKGROUND Evidence links gestational exposure to particulate matter with an aerodynamic diameter of less than 2.5 μm (PM2.5) with changes in leukocyte telomere length in cord blood with some studies showing sex-specific effects. PM2.5 exposure in utero increases oxidative stress, which can impact telomere biology. Thus, maternal antioxidant intakes may also modify the particulate air pollution effects. METHODS We examined associations among prenatal PM2.5 exposure and newborn relative leukocyte telomere length (rLTL), and the modifying effects of maternal antioxidant intake and infant sex. We estimated daily PM2.5 exposures over gestation using a validated spatiotemporally resolved satellite-based model. Maternal dietary and supplemental antioxidant intakes over the prior three months were ascertained during the second trimester using the modified Block98 food frequency questionnaire; high and low antioxidant intakes were categorized based on a median split. We employed Bayesian distributed lag interaction models (BDLIMs) to identify both sensitive windows of exposure and cumulative effect estimates for prenatal PM2.5 exposure on newborn rLTL, and to examine effect modification by maternal antioxidant intakes. A 3-way interaction between PM2.5, maternal antioxidant intake and infant sex was also explored. RESULTS For the main effect of PM2.5, BDLIMs identified a sensitive window at 12-20 weeks gestation for the association between increased prenatal PM2.5 exposure and shorter newborn rLTL and a cumulative effect of PM2.5 over gestation on newborn telomere length [cumulative effect estimate (CEE) = -0.29 (95% CI -0.49 to -0.10) per 1μg/m3 increase in PM2.5]. In models examining maternal antioxidant intake effects, BDLIMs found that children born to mothers reporting low antioxidant intakes were most vulnerable [CEE of low maternal antioxidant intake = -0.31 (95% CI -0.55 to -0.06) vs high maternal antioxidant intake = -0.07 (95% CI -0.34 to 0.17) per 1μg/m3 increase in PM2.5]. In exploratory models examining effect modification by both maternal antioxidant intakes and infant sex, the cumulative effect remained significant only in boys whose mothers reported low antioxidant intakes [CEE = -0.38 (95% CI -0.80 to -0.004)]; no sensitive windows were identified in any group. CONCLUSIONS Prenatal PM2.5 exposure in mid-gestation was associated with reduced infant telomere length. Higher maternal antioxidant intakes mitigated these effects.
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Affiliation(s)
- Alison G Lee
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Whitney Cowell
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Srimathi Kannan
- Department of Metabolism, Endocrinology, and Diabetes, University of Michigan, Ann Arbor, MI, USA
| | | | - Farida Nentin
- Department of Obstetrics, Gynecology, and Reproductive Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Ander Wilson
- Department of Statistics, Colorado State University, Fort Collins, CO, USA
| | - Brent A Coull
- Harvard TH Chan School of Public Health, Harvard University, Boston, MA, USA
| | - Robert O Wright
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Andrea Baccarelli
- Departments of Environmental Health Sciences and Epidemiology, Columbia University Mailman School of Public Health, New York, NY, USA
| | - Valentina Bollati
- EPIGET Lab, Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Rosalind J Wright
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Department of Pediatrics, Kravis Children's Hospital, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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120
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Latency estimation for chronic disease risk: a damped exponential weighting model. Eur J Epidemiol 2020; 35:807-819. [PMID: 32728914 DOI: 10.1007/s10654-020-00658-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 06/27/2020] [Indexed: 01/30/2023]
Abstract
Identifying the susceptible period when environmental factors affect disease risk is essential for understanding disease etiology. Most existing epidemiologic studies use oversimplified summaries of time-dependent exposures such as baseline or most current exposure, or the cumulative average of exposure over available follow-up periods. In this paper, we introduce a damped exponential weighting model for estimating optimal exposure weights for different time intervals. This model can accommodate flexible patterns of weights and can be fit using standard software. We applied the model to assess the latency of BMI and alcohol for post-menopausal breast cancer based on 30-year exposure history in the Nurses' Health Study. We have also performed a simulation study to assess the validity of the proposed hypothesis testing and estimation procedures in realistic conditions. We found that the type I error is close to 0.05; the bias in our parameter estimates is low and the coverage probability of interval estimates is close to 0.95. For ER+/PR+ breast cancer we found that recent BMI was a more important predictor of risk than more distant BMI; for ER-/PR- breast cancer, no latency was found and risk was characterized by cumulative high levels of BMI over a long period of time. For alcohol intake, we saw a strong positive association with cumulative intake for ER+/PR+ breast cancer; no significant association was found for cumulative intake or for any latency measure of risk for ER-/PR- breast cancer. Our results underscore the value of an easy-to-implement approach to latency analysis of exposure profiles for chronic disease.
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121
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Gennings C, Curtin P, Bello G, Wright R, Arora M, Austin C. Lagged WQS regression for mixtures with many components. ENVIRONMENTAL RESEARCH 2020; 186:109529. [PMID: 32371274 PMCID: PMC7489300 DOI: 10.1016/j.envres.2020.109529] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 03/17/2020] [Accepted: 04/10/2020] [Indexed: 05/24/2023]
Abstract
The developmental timing of exposures to toxic chemicals or combinations of chemicals may be as important as the dosage itself. This concept is called "critical windows of exposure." The time boundaries of such windows can be detected if exposure data are collected repeatedly in short time intervals. The development of tooth-matrix biomarkers which provide prenatal and postnatal exposure measures in repeated intervals can provide such data. Using teeth, we use reverse distributed lagged models (DLMs) to incorporate weekly prenatal and postnatal measures of exposures to estimate time-varying associations with developmental effects. The analysis of such data using lagged weighted quantile sum (WQS) regression as an extension to reverse DLMs for complex mixtures was first proposed by Bello et al. This prior algorithm was not operationally generalizable to large numbers of components (say, more than five or six). We propose a revised algorithm that may be useful for larger mixtures by combining time-specific WQS(t) indices in a reverse DLM. We demonstrate the new algorithm using tooth data in association with a neurodevelopmental score and in simulated data from 3 cases wherein different components of a mixture have time varying associations and in the case where none have associations. The new algorithm correctly detects the simulated associations when the number of samples within the time-specific analyses is moderate to large.
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Affiliation(s)
- Chris Gennings
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, USA.
| | - Paul Curtin
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, USA
| | | | - Robert Wright
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Manish Arora
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Christine Austin
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, USA
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122
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Zhang H, Wang Q, He S, Wu K, Ren M, Dong H, Di J, Yu Z, Huang C. Ambient air pollution and gestational diabetes mellitus: A review of evidence from biological mechanisms to population epidemiology. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 719:137349. [PMID: 32114225 DOI: 10.1016/j.scitotenv.2020.137349] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 02/06/2020] [Accepted: 02/14/2020] [Indexed: 05/26/2023]
Abstract
Gestational diabetes mellitus (GDM) is a serious complication of pregnancy that could cause adverse health effects on both mothers and fetuses, and its prevalence has been increasing worldwide. Experimental and epidemiological studies suggest that air pollution may be an important risk factor of GDM, but conclusions are inconsistent. To provide a comprehensive overview of ambient air pollution on GDM, we summarized existing evidence concerning biological linkages between maternal exposure to air pollutants and GDM based on mechanism studies. We also performed a quantitative meta-analysis based on human epidemiological studies by searching English databases (Pubmed, Web of Science and Embase) and Chinese databases (Wanfang, CNKI). As a result, the limited mechanism studies indicated that β-cell dysfunction, neurohormonal disturbance, inflammation, oxidative stress, imbalance of gut microbiome and insulin resistance may be involved in air pollution-GDM relationship, but few studies were performed to explore the direct biological linkage. Additionally, a total of 13 epidemiological studies were included in the meta-analysis, and the air pollutants considered included PM2.5, PM10, SO2, NO2 and O3. Most studies were retrospective and mainly conducted in developed regions. The results of meta-analysis indicated that maternal first trimester exposure to SO2 increased the risk of GDM (standardized odds ratio (OR) = 1.392, 95% confidence intervals (CI): 1.010, 1.773), while pre-pregnancy O3 exposure was inversely associated with GDM risk (standardized OR = 0.981, 95% CI: 0.977, 0.985). No significant effects were observed for PM2.5, PM10 and NO2. In conclusion, additional mechanism studies on the molecular level are needed to provide persuasive rationale underlying the air pollution-GDM relationship. Moreover, other important risk factors of GDM, including maternal lifestyle and road traffic noise exposure that may modify the air pollution-GDM relationship should be considered in future epidemiological studies. More prospective cohort studies are also warranted in developing countries with high levels of air pollution.
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Affiliation(s)
- Huanhuan Zhang
- School of Public Health, Zhengzhou University, Zhengzhou 450001, China; School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Qiong Wang
- School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Simin He
- School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Kaipu Wu
- School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Meng Ren
- School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Haotian Dong
- School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Jiangli Di
- National Center for Women and Children's Health, Chinese Center for Disease Control and Prevention, Beijing, China.
| | - Zengli Yu
- School of Public Health, Zhengzhou University, Zhengzhou 450001, China.
| | - Cunrui Huang
- School of Public Health, Zhengzhou University, Zhengzhou 450001, China; School of Public Health, Sun Yat-sen University, Guangzhou 510080, China; Shanghai Typhoon Institute, China Meteorological Administration, Shanghai 200030, China; Shanghai Key Laboratory of Meteorology and Health, Shanghai Meteorological Service, Shanghai 200030, China.
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Elten M, Donelle J, Lima I, Burnett RT, Weichenthal S, Stieb DM, Hystad P, van Donkelaar A, Chen H, Paul LA, Crighton E, Martin RV, Decou ML, Luo W, Lavigne É. Ambient air pollution and incidence of early-onset paediatric type 1 diabetes: A retrospective population-based cohort study. ENVIRONMENTAL RESEARCH 2020; 184:109291. [PMID: 32120123 DOI: 10.1016/j.envres.2020.109291] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 02/17/2020] [Accepted: 02/21/2020] [Indexed: 06/10/2023]
Abstract
BACKGROUND Studies have reported increasing incidence rates of paediatric diabetes, especially among those aged 0-5 years. Epidemiological evidence linking ambient air pollution to paediatric diabetes remains mixed. OBJECTIVE This study investigated the association between maternal and early-life exposures to common air pollutants (NO2, PM2.5, O3, and oxidant capacity [Ox; the redox-weighted average of O3 and NO2]) and the incidence of paediatric diabetes in children up to 6 years of age. METHODS All registered singleton births in Ontario, Ca nada occurring between April 1st, 2006 and March 31st, 2012 were included through linkage from health administrative data. Monthly exposures to NO2, PM2.5, O3, and Ox were estimated across trimesters, the entire pregnancy period and during childhood. Random effects Cox proportional hazards models were used to assess the relationships with paediatric diabetes incidence while controlling for important covariates. We also modelled the shape of concentration-response (CR) relationships. RESULTS There were 1094 children out of a cohort of 754,698 diagnosed with diabetes before the age of six. O3 exposures during the first trimester of pregnancy were associated with paediatric diabetes incidence (hazard ratio (HR) per interquartile (IQR) increase = 2.00, 95% CI: 1.04-3.86). The CR relationship between O3 during the first trimester and paediatric diabetes incidence appeared to have a risk threshold, in which there was little-to-no risk below 25 ppb of O3, while above this level risk increased sigmoidally. No other associations were observed. CONCLUSION O3 exposures during a critical period of development were associated with an increased risk of paediatric diabetes incidence.
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Affiliation(s)
- Michael Elten
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario Canada; Air Health Science Division, Health Canada, Ottawa, Ontario, Canada
| | | | - Isac Lima
- ICES UOttawa, Ottawa, Ontario, Canada
| | - Richard T Burnett
- Environmental Health Science and Research Bureau, Health Canada, Ottawa, Ontario, Canada
| | - Scott Weichenthal
- Air Health Science Division, Health Canada, Ottawa, Ontario, Canada; Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada
| | - David M Stieb
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario Canada; Environmental Health Science and Research Bureau, Health Canada, Vancouver, British Columbia, Canada
| | - Perry Hystad
- College of Public Health and Human Sciences, Oregon State University, Corvallis, OR, USA
| | - Aaron van Donkelaar
- Department of Physics and Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, Canada; Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, USA
| | - Hong Chen
- ICES UOttawa, Ottawa, Ontario, Canada; Environmental Health Science and Research Bureau, Health Canada, Ottawa, Ontario, Canada; Public Health Ontario, Toronto Canada; Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada
| | | | - Eric Crighton
- ICES UOttawa, Ottawa, Ontario, Canada; Department of Geography, Environment and Geomatics, University of Ottawa, Ottawa, Ontario, Canada
| | - Randall V Martin
- Department of Physics and Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, Canada; Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis, USA
| | - Mary Lou Decou
- Maternal & Infant Health Section, Public Health Agency of Canada, Ottawa, Ontario, Canada
| | - Wei Luo
- Maternal & Infant Health Section, Public Health Agency of Canada, Ottawa, Ontario, Canada
| | - Éric Lavigne
- School of Epidemiology and Public Health, University of Ottawa, Ottawa, Ontario Canada; Air Health Science Division, Health Canada, Ottawa, Ontario, Canada.
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Fine particulate matter exposure and lipid levels among children in Mexico city. Environ Epidemiol 2020; 4:e088. [PMID: 32337473 PMCID: PMC7147392 DOI: 10.1097/ee9.0000000000000088] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Accepted: 02/07/2020] [Indexed: 12/25/2022] Open
Abstract
Background Studies have identified associations between air pollution and lipid levels in adults, suggesting a mechanism by which air pollution contributes to cardiovascular disease. However, little is known about the association between early life air pollution exposure and lipid levels in children. Methods Participants included 465 mother-child pairs from a prospective birth cohort in Mexico City. Daily particulate matter <2.5 µm in diameter (PM2.5) predictions were estimated using a satellite-based exposure model and averaged over trimesters, the entire pregnancy, and the first year of life. We assessed associations with several lipid measures at 4-6 years of age, including total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), non-HDL-C, high-density lipoprotein cholesterol (HDL-C), and triglycerides (TG). Linear regression models were used to estimate change in lipid levels with each interquartile range increase in PM2.5. We additionally assessed if associations between PM2.5 and lipid levels varied across lipid quantiles using quantile regression. Models were adjusted for maternal education, body mass index, and age, child's age at study visit, prenatal environmental tobacco smoke, and season of conception. Results PM2.5 exposure during the third trimester was associated with increases in childhood total cholesterol, LDL-C, and non-HDL-C, and decreases in HDL-C and triglycerides. There was additionally an increasing trend in the effect estimate across higher quantiles of total cholesterol, LDL-C, and non-HDL-C during the third trimester and entire pregnancy period. There were no consistent associations for first year of life exposures. Conclusion In this longitudinal birth cohort in Mexico City, associations between prenatal PM2.5 and childhood lipid (total cholesterol, LDL-C, non-HDL-C) levels were greater for children at higher lipid quantiles.
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Rosa MJ, Hair GM, Just AC, Kloog I, Svensson K, Pizano-Zárate ML, Pantic I, Schnaas L, Tamayo-Ortiz M, Baccarelli AA, Tellez-Rojo MM, Wright RO, Sanders AP. Identifying critical windows of prenatal particulate matter (PM 2.5) exposure and early childhood blood pressure. ENVIRONMENTAL RESEARCH 2020; 182:109073. [PMID: 31881529 PMCID: PMC7024649 DOI: 10.1016/j.envres.2019.109073] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 12/19/2019] [Accepted: 12/20/2019] [Indexed: 05/20/2023]
Abstract
BACKGROUND Exposure to air pollution is associated with increased blood pressure (BP) in adults and children. Some evidence suggests that air pollution exposure during the prenatal period may contribute to adverse cardiorenal health later in life. Here we apply a distributed lag model (DLM) approach to identify critical windows that may underlie the association between prenatal particulate matter ≤ 2.5 μm in diameter (PM2.5) exposure and children's BP at ages 4-6 years. METHODS Participants included 537 mother-child dyads enrolled in the Programming Research in Obesity, GRowth Environment, and Social Stress (PROGRESS) longitudinal birth cohort study based in Mexico City. Prenatal daily PM2.5 exposure was estimated using a validated satellite-based spatio-temporal model and BP was measured using the automated Spacelabs system with a sized cuff. We used distributed lag models (DLMs) to examine associations between daily PM2.5 exposure and systolic and diastolic BP (SBP and DBP), adjusting for child's age, sex and BMI, as well as maternal education, preeclampsia and indoor smoking report during the second and third trimester, seasonality and average postnatal year 1 PM2.5 exposure. RESULTS We found that PM2.5 exposure between weeks 11-32 of gestation (days 80-226) was significantly associated with children's increased SBP. Similarly, PM2.5 exposure between weeks 9-25 of gestation (days 63-176) was significantly associated with increased DBP. To place this into context, a constant 10 μg/m3 increase in PM2.5 sustained throughout this critical window would predict a cumulative increase of 2.6 mmHg (CI: 0.5, 4.6) in SBP and 0.88 mmHg (CI: 0.1, 1.6) in DBP at ages 4-6 years. In a stratified analysis by sex, this association persisted in boys but not in girls. CONCLUSIONS Second and third trimester PM2.5 exposure may increase children's BP in early life. Further work investigating PM2.5 exposure with BP trajectories later in childhood will be important to understanding cardiorenal trajectories that may predict adult disease. Our results underscore the importance of reducing air pollution exposure among susceptible populations, including pregnant women.
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Affiliation(s)
- Maria José Rosa
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Gleicy Macedo Hair
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Allan C Just
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Itai Kloog
- Department of Geography and Environmental Development, Ben-Gurion University of the Negev, P.O.B., Beer Sheva, Israel
| | | | - María Luisa Pizano-Zárate
- Division of Community Interventions Research, National Institute of Perinatology, Mexico City, Mexico
| | - Ivan Pantic
- Division of Community Interventions Research, National Institute of Perinatology, Mexico City, Mexico
| | - Lourdes Schnaas
- Division of Community Interventions Research, National Institute of Perinatology, Mexico City, Mexico
| | - Marcela Tamayo-Ortiz
- National Council of Science and Technology (CONACYT), National Institute of Public Health (INSP), Cuernavaca, Morelos, Mexico; Center for Nutrition and Health Research, National Institute of Public Health, Cuernavaca, Morelos, Mexico
| | - Andrea A Baccarelli
- Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Martha M Tellez-Rojo
- Center for Nutrition and Health Research, National Institute of Public Health, Cuernavaca, Morelos, Mexico
| | - Robert O Wright
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, USA
| | - Alison P Sanders
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, USA
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126
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Lavigne E, Donelle J, Hatzopoulou M, Van Ryswyk K, van Donkelaar A, Martin RV, Chen H, Stieb DM, Gasparrini A, Crighton E, Yasseen AS, Burnett RT, Walker M, Weichenthal S. Spatiotemporal Variations in Ambient Ultrafine Particles and the Incidence of Childhood Asthma. Am J Respir Crit Care Med 2020; 199:1487-1495. [PMID: 30785782 DOI: 10.1164/rccm.201810-1976oc] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Rationale: Little is known regarding the impact of ambient ultrafine particles (UFPs; <0.1 μm) on childhood asthma development. Objectives: To examine the association between prenatal and early postnatal life exposure to UFPs and development of childhood asthma. Methods: A total of 160,641 singleton live births occurring in the City of Toronto, Canada between April 1, 2006, and March 31, 2012, were identified from a birth registry. Associations between exposure to ambient air pollutants and childhood asthma incidence (up to age 6) were estimated using random effects Cox proportional hazards models, adjusting for personal- and neighborhood-level covariates. We investigated both single-pollutant and multipollutant models accounting for coexposures to particulate matter ≤2.5 μm in aerodynamic diameter (PM2.5) and NO2. Measurements and Main Results: We identified 27,062 children with incident asthma diagnosis during the follow-up. In adjusted models, second-trimester exposure to UFPs (hazard ratio per interquartile range increase, 1.09; 95% confidence interval, 1.06-1.12) was associated with asthma incidence. In models additionally adjusted for PM2.5 and nitrogen dioxide, UFPs exposure during the second trimester of pregnancy remained positively associated with childhood asthma incidence (hazard ratio per interquartile range increase, 1.05; 95% confidence interval, 1.01-1.09). Conclusions: This is the first study to evaluate the association between perinatal exposure to UFPs and the incidence of childhood asthma. Exposure to UFPs during a critical period of lung development was linked to the onset of asthma in children, independent of PM2.5 and NO2.
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Affiliation(s)
- Eric Lavigne
- 1 Air Health Science Division and.,2 School of Epidemiology and Public Health
| | - Jessy Donelle
- 3 Institute for Clinical Evaluative Sciences, Ottawa, Ontario, Canada.,4 Ottawa Hospital Research Institute, Ottawa, Ontario, Canada
| | | | | | - Aaron van Donkelaar
- 6 Department of Physics and Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Randall V Martin
- 6 Department of Physics and Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, Canada.,7 Harvard-Smithsonian Centre for Astrophysics, Cambridge, Massachusetts
| | - Hong Chen
- 8 Population Studies Division, Health Canada, Ottawa, Ontario, Canada.,10 Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada.,9 Public Health Ontario, Toronto, Ontario, Canada.,11 Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada
| | - David M Stieb
- 2 School of Epidemiology and Public Health.,12 Population Studies Division, Health Canada, Vancouver, British Columbia, Canada
| | - Antonio Gasparrini
- 13 Department of Public Health, Environments and Society and.,14 Centre for Statistical Methodology, London School of Hygiene & Tropical Medicine, London, United Kingdom
| | - Eric Crighton
- 15 Department of Geography, Environment and Geomatics, and.,3 Institute for Clinical Evaluative Sciences, Ottawa, Ontario, Canada
| | - Abdool S Yasseen
- 16 Better Outcomes Registry and Network Ontario, Ottawa, Ontario, Canada
| | - Richard T Burnett
- 8 Population Studies Division, Health Canada, Ottawa, Ontario, Canada
| | - Mark Walker
- 18 Department of Obstetrics and Gynecology, University of Ottawa, Ottawa, Ontario, Canada.,16 Better Outcomes Registry and Network Ontario, Ottawa, Ontario, Canada.,17 Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada; and
| | - Scott Weichenthal
- 1 Air Health Science Division and.,19 Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, Quebec, Canada
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127
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Liu X, Xiao J, Sun X, Chen Q, Yao Z, Feng B, Cao G, Guo L, He G, Hu J, Zeng W, Rong Z, Wang Q, Zhang B, Dong M, Wang J, Chen D, Ma W, Liu T. Associations of maternal ambient temperature exposures during pregnancy with the risk of preterm birth and the effect modification of birth order during the new baby boom: A birth cohort study in Guangzhou, China. Int J Hyg Environ Health 2020; 225:113481. [PMID: 32058935 DOI: 10.1016/j.ijheh.2020.113481] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 01/28/2020] [Accepted: 02/03/2020] [Indexed: 10/25/2022]
Abstract
Maternal exposures to ambient temperatures during pregnancy may increase the preterm birth (PTB) risk; however, which periods have stronger effects remain controversial. The effects of temperature exposure on PTB in first- and second-born neonate groups may be different during the new baby boom that has followed the Two-child Policy in China. We examined a birth cohort of 4928 pregnant women beginning in 2016 in Guangzhou, China. An inverse distance weighted method was used to estimate the temperature exposure at each individual residential address. A distribution lag non-linear model incorporating a Cox proportional hazard model was employed to estimate the effects of temperature exposure on PTB and test the effects modification of birth order related to the new baby boom. A total of 4101 pregnant women were included, of which 234 (5.7%) experienced PTB. Compared with the mean temperature (23.0 °C), we found a significantly higher risks of PTB associated with high temperatures (i.e, 30 °C [95th centile]) from the 4th to 8th, and 22nd to 27th gestational weeks. A peak effect was found during the 6th week (HR = 1.79, 95% CI: 1.26, 2.54) and 24th week (HR = 1.83, 95% CI: 1.27, 2.62). The risks of PTB were reduced for low temperatures (i.e. 14 °C [5th centile] versus 23.0 °C) from the 2nd to 10th and 20th to 26th gestational weeks, and the negative peak effect was found during the 4th week (HR = 0.43, 95% CI: 0.26, 0.72) and 23rd week (HR = 0.59, 95% CI: 0.43, 0.83). Stratification analyses showed that significant effects of 30 °C versus 23 °C on PTB were observed during the 4th to 8th weeks in the second-born neonate, and the peak effect was found in the 6th week (HR = 2.13, 95% CI: 1.31, 3.47). However, we did not find significant effects of 30 °C during the same weeks in the first-born neonate group. Maternal exposures to higher temperatures during pregnancy may increase the risk of PTB, and lower temperatures may decrease the risk of PTB. Stronger effects of temperature exposures during the first trimester on PTB risk were found among the second-born neonates than among the first-born neonates.
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Affiliation(s)
- Xin Liu
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou, 510080, China; Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Jianpeng Xiao
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Xiaoli Sun
- Gynecology Department, Guangdong Women and Children Hospital, Guangzhou, 511442, China
| | - Qingsong Chen
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou, 510080, China
| | - Zhenjiang Yao
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou, 510080, China
| | - Baixiang Feng
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Ganxiang Cao
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Lingchuan Guo
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Guanhao He
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Jianxiong Hu
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Weilin Zeng
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Zuhua Rong
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Qiong Wang
- School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Bo Zhang
- Food Safety and Health Research Center, School of Public Health, Southern Medical University, Guangzhou, 510515, China; Department of Environmental and Occupational Health, School of Public Health, Sun Yat-sen University, Guangzhou, 510080, China
| | - Moran Dong
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Jiaqi Wang
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Dengzhou Chen
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Wenjun Ma
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China
| | - Tao Liu
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou, 510080, China; Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, 511430, China.
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128
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Guo P, Chen Y, Wu H, Zeng J, Zeng Z, Li W, Zhang Q, Huo X, Feng W, Lin J, Miao H, Zhu Y. Ambient air pollution and markers of fetal growth: A retrospective population-based cohort study of 2.57 million term singleton births in China. ENVIRONMENT INTERNATIONAL 2020; 135:105410. [PMID: 31884132 DOI: 10.1016/j.envint.2019.105410] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 12/07/2019] [Accepted: 12/10/2019] [Indexed: 02/05/2023]
Abstract
BACKGROUNDS Evidence is scarce on the relation between maternal exposure to ambient air pollution during pregnancy and fetal growth in developing countries. Moreover, the current evidence is inconsistent. We aimed to investigate the association of trimester-specific exposure to air pollution with risk of being born small for gestational age (SGA) and birth weight-markers of fetal growth-among Chinese term births. METHODS This retrospective population-based cohort study consisted of 2,567,457 singleton term live-births from January 1, 2014 to December 31, 2017 across 123 Chinese districts and counties. Personal exposure to ambient air pollutants including carbon monoxide (CO), sulfur dioxide (SO2), nitrogen dioxide (NO2), ozone (O3), particulate matter with aerodynamic diameter < 2.5 μm (PM2.5), and PM10 was assigned using the inverse distance weighting spatial interpolation algorithm. Generalized estimating equations (GEE) logistic regression models were performed to estimate the associations between trimester-specific exposure to air pollution and risk of SGA or low birth weight (LBW), and GEE linear regression to examine the associations between the exposure and term birth weight, adjusting for maternal demographics, maternal cigarette smoking status during pregnancy, mode of delivery, gravidity, gestational age, year and month of conception, neonate's sex, and meteorological factors. Stratified and sensitivity analyses were also performed. RESULTS When mother exposed to ambient air pollutants over the entire pregnancy, per IQR increment (0.122 mg/m3) in ambient CO concentrations was associated with higher risk of SGA (odds ratio (OR) = 1.04, 95% confidence interval (CI): 1.02, 1.05) and reduced birth weight among term births (-5.95 g, 95% CI: -8.01, -3.89). This association was also pronounced in the second and third trimesters. Term birth weight was negatively associated with per IQR increase of O3 (-3.52 g, 95% CI: -6.23, -0.81), PM2.5 (-5.93 g, 95% CI: -8.36, -3.49) and PM10 (-7.78 g, 95% CI: -10.41, -5.16) during the entire pregnancy, respectively. No significant association was detected between maternal exposure to air pollutants and term LBW. Effect estimates of heterogeneity suggested that maternal age and infant sex modified the impact of air pollution on birth weight. CONCLUSIONS The findings suggest that maternal exposure to air pollution during pregnancy is adversely affecting fetal growth. Further studies are warranted to integrate these findings and take clinical or public health interventions in pregnancy.
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Affiliation(s)
- Pi Guo
- Department of Preventive Medicine, Shantou University Medical College, Shantou 515041, China
| | - Yuliang Chen
- Department of Preventive Medicine, Shantou University Medical College, Shantou 515041, China
| | - Haisheng Wu
- Department of Preventive Medicine, Shantou University Medical College, Shantou 515041, China
| | - Jing Zeng
- Guangdong Women and Children Hospital, Guangzhou 511442, China
| | - Zhisheng Zeng
- Guangdong Women and Children Hospital, Guangzhou 511442, China
| | - Weiping Li
- Clinical Cohort Research Center, First Affiliated Hospital of Shantou University Medical College, Shantou 515041, China
| | - Qingying Zhang
- Department of Preventive Medicine, Shantou University Medical College, Shantou 515041, China
| | - Xia Huo
- Laboratory of Environmental Medicine and Developmental Toxicology, Guangzhou and Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou 510632, China
| | - Wenru Feng
- Guangzhou Center for Disease Control and Prevention, Guangzhou 510440, China
| | - Jiumin Lin
- Department of Hepatology and Infectious Diseases, the Second Affiliated Hospital, Shantou University Medical College, Shantou 515041, China
| | - Huazhang Miao
- Guangdong Women and Children Hospital, Guangzhou 511442, China.
| | - Yingxian Zhu
- Guangdong Women and Children Hospital, Guangzhou 511442, China.
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129
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Yuan L, Zhang Y, Wang W, Chen R, Liu Y, Liu C, Kan H, Gao Y, Tian Y. Critical windows for maternal fine particulate matter exposure and adverse birth outcomes: The Shanghai birth cohort study. CHEMOSPHERE 2020; 240:124904. [PMID: 31550593 DOI: 10.1016/j.chemosphere.2019.124904] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 09/02/2019] [Accepted: 09/17/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND Prenatal exposure to ambient levels of air pollution has been reported to adversely affect birth outcomes, yet few studies have investigated refined susceptible windows for adverse birth outcomes. OBJECTIVES The study aimed at estimating associations between maternal exposure to ambient fine particulate matter (PM2.5; particles with an aerodynamic diameter ≤ 2.5 μm) and birth outcomes, including birth weight, low birth weight (LBW) and preterm birth (PTB), and identify specific susceptible windows. METHODS A total of 3692 singleton live births were enrolled between 2013 and 2016 in Shanghai Birth Cohort, China. Based on mothers' residential addresses, weekly mean concentrations of PM2.5 over gestation were estimated based on an incorporated evaluating approach combining satellite-based estimates and ground-level measurements. Distributed lag non-liner models (DLNMs) were fitted by incorporating with multiple liner models and Cox proportional hazard models to evaluate weekly-as well as trimester-exposure-lag-response associations between average PM2.5 level and birth weight, LBW and PTB, and to identify critical windows. RESULTS In this study, gestational exposure to PM2.5 was associated with adverse birth outcomes in infants, and critical windows were identified as 31st-34th gestational weeks for reduced birth weight, 38th-42 nd weeks for LBW and 27th-30th weeks for PTB, respectively. Trimester-specific associations were found for all birth outcomes during the third trimester. CONCLUSIONS Ambient PM2.5 exposure exhibited adverse impacts on multiple outcomes including reduced birth weight, LBW and PTB in the late pregnancy. The study provides further evidence supporting harmful effects of maternal PM2.5 exposure on birth outcomes and identifying critical windows.
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Affiliation(s)
- Lei Yuan
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yan Zhang
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Weidong Wang
- Department of Environmental Health, School of Public Health, Fudan University School of Medicine, Shanghai, China
| | - Renjie Chen
- Department of Environmental Health, School of Public Health, Fudan University School of Medicine, Shanghai, China
| | - Yang Liu
- Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, 30322, USA
| | - Cong Liu
- Department of Environmental Health, School of Public Health, Fudan University School of Medicine, Shanghai, China
| | - Haidong Kan
- Department of Environmental Health, School of Public Health, Fudan University School of Medicine, Shanghai, China.
| | - Yu Gao
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Ying Tian
- Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China; MOE and Shanghai Key Laboratory of Children's Environmental Health, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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130
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Zhang H, Dong H, Ren M, Liang Q, Shen X, Wang Q, Yu L, Lin H, Luo Q, Chen W, Knibbs LD, Jalaludin B, Wang Q, Huang C. Ambient air pollution exposure and gestational diabetes mellitus in Guangzhou, China: A prospective cohort study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 699:134390. [PMID: 31525546 DOI: 10.1016/j.scitotenv.2019.134390] [Citation(s) in RCA: 56] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 09/08/2019] [Accepted: 09/09/2019] [Indexed: 05/25/2023]
Abstract
BACKGROUND Evidence concerning the effect of ambient air pollution exposure on gestational diabetes mellitus (GDM) is limited. No published studies have examined maternal weekly air pollution exposure and GDM, and the possible effect modification by folic acid supplementation has not been assessed. OBJECTIVES To evaluate the association between air pollution exposure and GDM at trimester and weekly levels, and to explore the potential effect modification by folic acid supplementation. METHODS A total of 5421 pregnant women were recruited during 2011-2014 in Guangzhou, China. Daily PM2.5, PM10, SO2 and NO2 levels were collected from 10 monitoring stations. Individual's exposure during pregnancy was estimated using inverse-distance weighting approach. Binary logistic regression was used to examine the trimester-specific association between air pollution exposure and GDM. Distributed lag models (DLMs) were applied to estimate maternal weekly air pollution exposure and GDM. Stratified analyses by folic acid supplementation and interaction test were performed. RESULTS The GDM incidence was 11.69%. An interquartile range (IQR) increase in first trimester SO2 was associated with increased GDM risk in the single pollutant model, the adjusted odds ratio (aOR) and 95% confidence interval (CI) was 1.22 (1.02-1.47). In DLMs, an IQR increase in SO2 during 4th to 10th gestational weeks was associated with increased GDM risk, with the strongest effect in the 7th gestational week. When stratified by maternal folic acid supplementation, first trimester exposure to SO2 was associated with increased GDM risk among women taking folic acid supplements (aOR = 1.25, 95% CI: 1.03-1.53) and P value for interaction was 0.13. No significant effects were observed for PM2.5, PM10 and NO2. CONCLUSION First trimester exposure to SO2 was associated with increased GDM risk, especially during the 4th to 10th gestational weeks. The effect might be stronger among women taking folic acid supplements.
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Affiliation(s)
- Huanhuan Zhang
- School of Public Health, Sun Yat-sen University, Guangzhou, China; Shanghai Typhoon Institute, China Meteorological Administration, Shanghai 200030, China; Laboratory of Meteorology and Health, Shanghai Meteorological Service, Shanghai 200030, China
| | - Haotian Dong
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Meng Ren
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Qianhong Liang
- Department of Ultrasound, Panyu Maternal and Child Care Service Center of Guangzhou
| | - Xiaoting Shen
- Center for Reproductive Medicine, The first Affiliated Hospital of Sun Yat-sen University, China
| | - Qiang Wang
- Department of Emergency, Guangzhou Women and Children's Medical Center, Guangzhou
| | - Le Yu
- Department of Pediatrics in Traditional Chinese Medicine, Guangzhou Women and Children's Medical Center
| | - Hualiang Lin
- Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Qiwei Luo
- Department of Obstetrics, Panyu Maternal and Child Care Service Center of Guangzhou, China
| | - Weiyi Chen
- Department of Obstetrics, Panyu Maternal and Child Care Service Center of Guangzhou, China
| | - Luke D Knibbs
- School of Public Health, The University of Queensland, Herston, Australia
| | - Bin Jalaludin
- School of Public Health and Community Medicine, University of New South Wales, Sydney, New South Wales, Australia
| | - Qiong Wang
- School of Public Health, Sun Yat-sen University, Guangzhou, China.
| | - Cunrui Huang
- School of Public Health, Sun Yat-sen University, Guangzhou, China; Shanghai Typhoon Institute, China Meteorological Administration, Shanghai 200030, China; Laboratory of Meteorology and Health, Shanghai Meteorological Service, Shanghai 200030, China
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131
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Assibey-Mensah V, Glantz JC, Hopke PK, Jusko TA, Thevenet-Morrison K, Chalupa D, Rich DQ. Wintertime Wood Smoke, Traffic Particle Pollution, and Preeclampsia. Hypertension 2020; 75:851-858. [PMID: 31902253 PMCID: PMC7035201 DOI: 10.1161/hypertensionaha.119.13139] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Supplemental Digital Content is available in the text. Previous studies have reported associations between ambient fine particle concentrations and preeclampsia; however, the impact of particulate pollution on early- and late-onset preeclampsia is understudied. Furthermore, few studies have examined the association between source-specific particles such as markers of traffic pollution or wood combustion on adverse pregnancy outcomes. Electronic medical records and birth certificate data were linked with land-use regression models in Monroe County, New York for 2009 to 2013 to predict monthly pollutant concentrations for each pregnancy until the date of clinical diagnosis during winter (November–April) for 16 116 births. Up to 30% of ambient wintertime fine particle concentrations in Monroe County, New York is from wood combustion. Multivariable logistic regression was used to separately estimate the odds of preeclampsia (all, early-, and late-onset) associated with each interquartile range increase in fine particles, traffic pollution, and woodsmoke concentrations during each gestational month, adjusting for maternal characteristics, birth hospital, temperature, and relative humidity. Each 3.64 µg/m3 increase in fine particle concentration was associated with an increased odds of early-onset preeclampsia during the first (odds ratio, 1.35 [95% CI, 1.08–1.68]), second (odds ratio, 1.51 [95% CI, 1.23–1.86]), and third (odds ratio, 1.25 [95% CI, 1.06–1.46]) gestational months. Increases in traffic pollution and woodsmoke during the first gestational month were also associated with increased odds of early-onset preeclampsia. Increased odds of late-onset preeclampsia were not observed. Our findings suggest that exposure to wintertime particulate pollution may have the greatest effect on maternal cardiovascular health during early pregnancy.
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Affiliation(s)
- Vanessa Assibey-Mensah
- From the Department of Public Health Sciences (V.A.-M., J.C.G., P.K.H., T.A.J., K.T.-M., D.Q.R.).,Department of Obstetrics, Gynecology, and Reproductive Sciences, University of Pittsburgh School of Medicine, PA (V.A.-M.).,Magee-Womens Research Institute, Department of Obstetrics, Gynecology, and Reproductive Sciences, University of Pittsburgh, PA (V.A.-M.)
| | - J Christopher Glantz
- From the Department of Public Health Sciences (V.A.-M., J.C.G., P.K.H., T.A.J., K.T.-M., D.Q.R.).,Department of Obstetrics and Gynecology (J.C.G.), University of Rochester Medical Center, NY
| | - Philip K Hopke
- From the Department of Public Health Sciences (V.A.-M., J.C.G., P.K.H., T.A.J., K.T.-M., D.Q.R.)
| | - Todd A Jusko
- From the Department of Public Health Sciences (V.A.-M., J.C.G., P.K.H., T.A.J., K.T.-M., D.Q.R.).,Department of Environmental Medicine (T.A.J., D.C., D.Q.R.), University of Rochester Medical Center, NY
| | - Kelly Thevenet-Morrison
- From the Department of Public Health Sciences (V.A.-M., J.C.G., P.K.H., T.A.J., K.T.-M., D.Q.R.)
| | - David Chalupa
- Department of Environmental Medicine (T.A.J., D.C., D.Q.R.), University of Rochester Medical Center, NY
| | - David Q Rich
- From the Department of Public Health Sciences (V.A.-M., J.C.G., P.K.H., T.A.J., K.T.-M., D.Q.R.).,Department of Environmental Medicine (T.A.J., D.C., D.Q.R.), University of Rochester Medical Center, NY.,Department of Medicine (D.Q.R.), University of Rochester Medical Center, NY
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Liu X, Ye Y, Chen Y, Li X, Feng B, Cao G, Xiao J, Zeng W, Li X, Sun J, Ning D, Yang Y, Yao Z, Guo Y, Wang Q, Zhang Y, Ma W, Du Q, Zhang B, Liu T. Effects of prenatal exposure to air particulate matter on the risk of preterm birth and roles of maternal and cord blood LINE-1 methylation: A birth cohort study in Guangzhou, China. ENVIRONMENT INTERNATIONAL 2019; 133:105177. [PMID: 31622906 DOI: 10.1016/j.envint.2019.105177] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 08/10/2019] [Accepted: 09/09/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND Epidemiological studies have found that increased risk of preterm birth (PTB) is associated with higher prenatal exposure to PM10 and PM2.5, but few studies have been conducted to assess the impacts of extremely fine particulate matter (PM1) which may have more toxic effects than other types of ambient particulate air pollution (PM). Several studies have separately investigated the associations between DNA methylation and PTB risk and PM. Maternal LINE-1 methylation level negatively correlated with prenatal exposure to PM and risk of PTB. A comprehensive picture is lacking regarding the associations between prenatal exposure to PM, LINE-1 methylation, and risk of PTB. OBJECTIVES This study aimed to estimate the effects of exposure to ambient PM (PM10, PM2.5, and PM1) of different sizes during pregnancy on risk of PTB, identify susceptible exposure windows, and illustrate the roles of LINE-1 methylation in the associations between PM and PTB risk. METHODS The Birth Cohort Study on Prenatal Environments and Offspring Health (PEOH) has been ongoing since 2016 in Guangzhou, China. A total of 4928 pregnant women were recruited during early pregnancy, and 4278 (86.8%) were successfully followed-up. Each individual weekly exposure to PM10 and PM2.5 from 3 months before pregnancy to childbirth was assessed using a spatiotemporal land use regression model, and the weekly PM1 exposure was estimated by employing a generalized additive model. Maternal and cord blood LINE-1 methylation levels (%5mC) were tested using bisulfite-PCR pyrosequencing. A distributed lag nonlinear model incorporated with a Cox proportional hazard model was applied to assess the effect of weekly-specific maternal PM exposure on PTB risk, and a multiple-linear regression model was employed to investigate the associations between PM exposure and LINE-1 methylation levels of maternal and cord bloods. We also assessed the associations between LINE-1 methylation levels and PTB risk by using a logistic regression model. RESULTS The risk of PTB was positively associated with PM2.5 and PM1 concentrations during the 12th to 20th gestational weeks, and the strongest association was in the fourth quartile (Q4) versus the first quartile (Q1) and observed during the 16th gestational week (PM2.5: harzard ratio [HR] = 1.18, 95%CI: 1.04-1.35, IQR = 11.94 μg/m3. PM1: HR = 1.20, 95%CI: 1.03-1.39, IQR = 11.36 μg/m3). We observed significantly negative associations of PM10(β = -0.51%5mC per 10 μg/m3, P = 0.014), PM2.5 (β = -0.66%5mC per 10 μg/m3, P = 0.032) and PM1 (β = -0.67%5mC per 10 μg/m3, P = 0.032) concentrations with cord blood LINE-1 methylation levels, and a negative association between PM1 concentration and maternal LINE-1 methylation level (β = -0.86%5mC per 10 μg/m3, P = 0.034). CONCLUSION Higher prenatal exposure to PM1 and PM2.5 during the 12th to 20th gestational weeks was associated with increased risk of PTB. Maternal and fetal LINE-1 methylation alternation might be an underlying mechanism of PM that increasing the risk of PTB.
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Affiliation(s)
- Xin Liu
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Yufeng Ye
- Guangzhou Panyu Central Hospital, Guangzhou 511400, China
| | - Yi Chen
- Guangzhou Panyu Central Hospital, Guangzhou 511400, China
| | - Xiaona Li
- Department of Environmental and Occupational Health, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Baixiang Feng
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Ganxiang Cao
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Jianpeng Xiao
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Weilin Zeng
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Xing Li
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Jiufeng Sun
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Dan Ning
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Yi Yang
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou 510080, China
| | - Zhenjiang Yao
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou 510080, China
| | - Yuming Guo
- Department of Epidemiology and Preventive Medicine, School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
| | - Qiong Wang
- School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Yonghui Zhang
- Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China
| | - Wenjun Ma
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China; General Practice Center, Nanhai Hospital, Southern Medical University, Foshan 528200, China
| | - Qingfeng Du
- General Practice Center, Nanhai Hospital, Southern Medical University, Foshan 528200, China
| | - Bo Zhang
- Food Safety and Health Research Center, School of Public Health, Southern Medical University, Guangzhou 510515, China; Department of Environmental and Occupational Health, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China.
| | - Tao Liu
- Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou 511430, China; General Practice Center, Nanhai Hospital, Southern Medical University, Foshan 528200, China.
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133
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Sheridan P, Ilango S, Bruckner TA, Wang Q, Basu R, Benmarhnia T. Ambient Fine Particulate Matter and Preterm Birth in California: Identification of Critical Exposure Windows. Am J Epidemiol 2019; 188:1608-1615. [PMID: 31107509 DOI: 10.1093/aje/kwz120] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 05/07/2019] [Accepted: 05/08/2019] [Indexed: 12/17/2022] Open
Abstract
Exposure to ambient fine particulate matter (particulate matter ≤2.5 μm in aerodynamic diameter (PM2.5)) during pregnancy is associated with preterm birth (PTB), a leading cause of infant morbidity and mortality. Results from studies attempting to identify etiologically relevant exposure periods of vulnerability have been inconsistent, possibly because of failure to consider the time-to-event nature of the outcome and lagged exposure effects of PM2.5. In this study, we aimed to identify critical exposure windows for weekly PM2.5 exposure and PTB in California using California birth cohort data from 2005-2010. Associations were assessed using distributed-lag Cox proportional hazards models. We assessed effect-measure modification by race/ethnicity by calculating the weekly relative excess risk due to interaction. For a 10-μg/m3 increase in PM2.5 exposure over the entire period of gestation, PTB risk increased by 11% (hazard ratio = 1.11, 95% confidence interval: 1.09, 1.14). Gestational weeks 17-24 and 36 were associated with increased vulnerability to PM2.5 exposure. We find that non-Hispanic black mothers may be more susceptible to effects of PM2.5 exposure than non-Hispanic white mothers, particularly at the end of pregnancy. These findings extend our knowledge about the existence of specific exposure periods during pregnancy that have the greatest impact on preterm birth.
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Affiliation(s)
- Paige Sheridan
- Department of Family Medicine and Public Health, School of Medicine, University of California, San Diego, San Diego, California
- Division of Epidemiology and Biostatistics, School of Public Health, San Diego State University, San Diego, California
| | - Sindana Ilango
- Department of Family Medicine and Public Health, School of Medicine, University of California, San Diego, San Diego, California
- Division of Epidemiology and Biostatistics, School of Public Health, San Diego State University, San Diego, California
| | - Tim A Bruckner
- Department of Public Health and Planning, Policy and Design, University of California, Irvine, Irvine, California
| | - Qiong Wang
- School of Medicine, Yale University, New Haven, Connecticut
| | - Rupa Basu
- Air Toxicology and Epidemiology Branch, California Office of Environmental Health Hazard Assessment, Sacramento, California
| | - Tarik Benmarhnia
- Department of Family Medicine and Public Health, School of Medicine, University of California, San Diego, San Diego, California
- Scripps Institute of Oceanography, University of California, San Diego, San Diego, California
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134
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Advancing Substantive Knowledge by Asking New Questions, Best Done in the Light of Answers to Older Questions. Epidemiology 2019; 30:633-636. [DOI: 10.1097/ede.0000000000001037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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135
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Choe SA, Eliot MN, Savitz DA, Wellenius GA. Ambient air pollution during pregnancy and risk of gestational diabetes in New York City. ENVIRONMENTAL RESEARCH 2019; 175:414-420. [PMID: 31154231 PMCID: PMC6590689 DOI: 10.1016/j.envres.2019.04.030] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Revised: 04/25/2019] [Accepted: 04/26/2019] [Indexed: 05/03/2023]
Abstract
BACKGROUND Emerging evidence suggests a potential association between ambient air pollution and risk of gestational diabetes mellitus (GDM), but results have been inconsistent. Accordingly, we assessed the associations between ambient fine particulate matter (PM2.5) and nitrogen dioxide (NO2) levels with risk of GDM. METHODS Using linked data from birth certificates, hospital discharge diagnoses, and air pollution estimates informed by the New York City Community Air Survey, we fit conditional logistic regression models to evaluate the association between residential levels of PM2.5 and NO2 with risk of GDM among 256,372 singleton live births of non-smoking mothers in New York City born 2008-2010, adjusting for sociodemographic factors and stratified on zip code of maternal address. RESULTS GDM was identified in 17,065 women, yielding a risk of GDM in the study sample of 67 per 1000 deliveries. In single pollutant models, 1st and 2nd trimester PM2.5 was associated with a lower and higher risk of GDM, respectively. In models mutually adjusting for PM2.5 levels in both trimesters, GDM was associated with PM2.5 levels in the 2nd trimester (OR: 1.06, 95% CI: 1.02, 1.10 per interquartile range increase in PM2.5), but not the 1st trimester (OR: 0.99, 95% CI: 0.96, 1.02). Conversely, GDM was associated with NO2 during the 1st trimester (OR: 1.05, 95% CI: 1.01, 1.09), but not the 2nd trimester (OR: 1.02, 95% CI: 0.98, 1.06). The positive associations between pollutants and GDM were robust to different model specifications. PM2.5 in the 2nd trimester was more strongly associated with GDM among mothers who were aged <35 years and not Medicaid recipients. NO2 in the 1st trimester was more strongly associated with GDM among overweight and parous women. CONCLUSIONS In this large cohort of singleton births in New York City, NO2 in the 1st trimester and PM2.5 in the 2nd trimester were associated with higher odds of GDM, while 1st trimester PM2.5 was weakly and inconsistently associated with lower odds of GDM.
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Affiliation(s)
- Seung-Ah Choe
- Department of Epidemiology, Brown University School of Public Health, Providence, RI, USA; Department of Obstetrics and Gynecology, CHA University School of Medicine, Gyeonggi, South Korea
| | - Melissa N Eliot
- Department of Epidemiology, Brown University School of Public Health, Providence, RI, USA
| | - David A Savitz
- Department of Epidemiology, Brown University School of Public Health, Providence, RI, USA
| | - Gregory A Wellenius
- Department of Epidemiology, Brown University School of Public Health, Providence, RI, USA.
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Wright RJ, Coull BA. Small but Mighty: Prenatal Ultrafine Particle Exposure Linked to Childhood Asthma Incidence. Am J Respir Crit Care Med 2019; 199:1448-1450. [PMID: 30865834 PMCID: PMC6580671 DOI: 10.1164/rccm.201903-0506ed] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Affiliation(s)
- Rosalind J Wright
- 1 Kravis Children's Hospital New York, New York.,2 Institute for Exposomic Research Icahn School of Medicine at Mount Sinai New York, New York and
| | - Brent A Coull
- 3 Department of Biostatistics Harvard T. H. Chan School of Public Health Boston, Massachusetts
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137
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Statistical Approaches for Investigating Periods of Susceptibility in Children's Environmental Health Research. Curr Environ Health Rep 2019; 6:1-7. [PMID: 30684243 DOI: 10.1007/s40572-019-0224-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
PURPOSE OF REVIEW Children's environmental health researchers are increasingly interested in identifying time intervals during which individuals are most susceptible to adverse impacts of environmental exposures. We review recent advances in methods for assessing susceptible periods. RECENT FINDINGS We identified three general classes of modeling approaches aimed at identifying susceptible periods in children's environmental health research: multiple informant models, distributed lag models, and Bayesian approaches. Benefits over traditional regression modeling include the ability to formally test period effect differences, to incorporate highly time-resolved exposure data, or to address correlation among exposure periods or exposure mixtures. Several statistical approaches exist for investigating periods of susceptibility. Assessment of susceptible periods would be advanced by additional basic biological research, further development of statistical methods to assess susceptibility to complex exposure mixtures, validation studies evaluating model assumptions, replication studies in different populations, and consideration of susceptible periods from before conception to disease onset.
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138
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Aghaei M, Janjani H, Yousefian F, Jamal A, Yunesian M. Association between ambient gaseous and particulate air pollutants and attention deficit hyperactivity disorder (ADHD) in children; a systematic review. ENVIRONMENTAL RESEARCH 2019; 173:135-156. [PMID: 30909100 DOI: 10.1016/j.envres.2019.03.030] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 03/10/2019] [Accepted: 03/12/2019] [Indexed: 05/28/2023]
Abstract
ADHD is a common neurodevelopmental disorder highly attributed to genetics, but the combination of other social and environmental determinants, as well as potential gene-environment interactions, can also be responsible. This paper aims to review relevant literature published up to April 2018 for determining whether air pollution caused by ambient gaseous (NO2, SO2, PCDD/Fs, Benzene) and particulate matters (PM10, PM2.5, PM7, PAH, BC/EC) as an environmental risk factor is associated with increased risk of ADHD in children. Relevant literature was identified through electronic searches of PubMed, Embase, Web of Science, Scopus database and gray literature. A total of 872 articles were initially identified 28 of which meeting the defined inclusion criteria were included. The methodological quality of the included articles was evaluated using the modified Critical Appraisal Skills Programs (CASP) and confounding variables, exposure and outcome measurement were assessed. The results of this systematic review revealed that there is more evidence on the detrimental effects of EC, BC, and PM on ADHD compared to PAH. Among gaseous air pollutants, association was found between SO2 and urinary level of t,t-MA (trans, trans-muconic acid) as a proxy-biomarker of NO2 exposure, not merely benzene. However few studies related to NO2 (0.46%) found detrimental effects. Overall, the number of studies reporting an association between air pollution and increased risk of ADHD is relatively higher compared to the number of studies reporting no association. However, the findings of the studies provided limited evidence to support the idea that exposure to air pollution may be linked to increased risk of ADHD. Well-designed and harmonized studies considering standard methods for individual exposure assessment, critical windows of susceptibility, and appropriate tools for outcome measurement, can improve the quality of epidemiological studies and strengthen the evidence. Since ADHD with its long-term consequences can impose large costs to communities and impact the children performance, determination of the risk factors in children and particularly the role of the environment as priorities for research should be considered.
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Affiliation(s)
- Mina Aghaei
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Hosna Janjani
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Yousefian
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Akram Jamal
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Masud Yunesian
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran; Department of Research Methodology and Data Analysis, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran.
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139
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Rosa MJ, Hsu HHL, Just AC, Brennan KJ, Bloomquist T, Kloog I, Pantic I, Mercado García A, Wilson A, Coull BA, Wright RO, Téllez Rojo MM, Baccarelli AA, Wright RJ. Association between prenatal particulate air pollution exposure and telomere length in cord blood: Effect modification by fetal sex. ENVIRONMENTAL RESEARCH 2019; 172:495-501. [PMID: 30852452 PMCID: PMC6511309 DOI: 10.1016/j.envres.2019.03.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Revised: 01/18/2019] [Accepted: 03/01/2019] [Indexed: 05/20/2023]
Abstract
INTRODUCTION In utero particulate matter exposure produces oxidative stress that impacts cellular processes that include telomere biology. Newborn telomere length is likely critical to an individual's telomere biology; reduction in this initial telomere setting may signal increased susceptibility to adverse outcomes later in life. We examined associations between prenatal particulate matter with diameter ≤2.5 µm (PM2.5) and relative leukocyte telomere length (LTL) measured in cord blood using a data-driven approach to characterize sensitive windows of prenatal PM2.5 effects and explore sex differences. METHODS Women who were residents of Mexico City and affiliated with the Mexican Social Security System were recruited during pregnancy (n = 423 for analyses). Mothers' prenatal exposure to PM2.5 was estimated based on residence during pregnancy using a validated satellite-based spatio-temporally resolved prediction model. Leukocyte DNA was extracted from cord blood obtained at delivery. Duplex quantitative polymerase chain reaction was used to compare the relative amplification of the telomere repeat copy number to single gene (albumin) copy number. A distributed lag model incorporating weekly averages for PM2.5 over gestation was used in order to explore sensitive windows. Sex-specific associations were examined using Bayesian distributed lag interaction models. RESULTS In models that included child's sex, mother's age at delivery, prenatal environmental tobacco smoke exposure, pre-pregnancy BMI, gestational age, birth season and assay batch, we found significant associations between higher PM2.5 exposure during early pregnancy (4-9 weeks) and shorter LTL in cord blood. We also identified two more windows at 14-19 and 34-36 weeks in which increased PM2.5 exposure was associated with longer LTL. In stratified analyses, the mean and cumulative associations between PM2.5 and shortened LTL were stronger in girls when compared to boys. CONCLUSIONS Increased PM2.5 during specific prenatal windows was associated with shorter LTL and longer LTL. PM2.5 was more strongly associated with shortened LTL in girls when compared to boys. Understanding sex and temporal differences in response to air pollution may provide unique insight into mechanisms.
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Affiliation(s)
- Maria José Rosa
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Hsiao-Hsien Leon Hsu
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Allan C Just
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Kasey J Brennan
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA.
| | - Tessa Bloomquist
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA.
| | - Itai Kloog
- Department of Geography and Environmental Development, Ben-Gurion University of the Negev, P.O.B. 653, Beer Sheva, Israel.
| | - Ivan Pantic
- Department of Developmental Neurobiology, National Institute of Perinatology, Mexico City, Mexico
| | - Adriana Mercado García
- Center for Nutrition and Health Research, National Institute of Public Health, Ministry of Health, Cuernavaca, Morelos, Mexico.
| | - Ander Wilson
- Department of Statistics, Colorado State University, Fort Collins, CO, USA.
| | - Brent A Coull
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
| | - Robert O Wright
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Institute for Exposomic Research, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Martha María Téllez Rojo
- Center for Nutrition and Health Research, National Institute of Public Health, Ministry of Health, Cuernavaca, Morelos, Mexico.
| | - Andrea A Baccarelli
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York, NY, USA.
| | - Rosalind J Wright
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Institute for Exposomic Research, Icahn School of Medicine at Mount Sinai, New York, NY, USA; Kravis Children's Hospital, Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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140
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Kaufman JA, Wright JM, Rice G, Connolly N, Bowers K, Anixt J. Ambient ozone and fine particulate matter exposures and autism spectrum disorder in metropolitan Cincinnati, Ohio. ENVIRONMENTAL RESEARCH 2019; 171:218-227. [PMID: 30684889 PMCID: PMC7232936 DOI: 10.1016/j.envres.2019.01.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 12/13/2018] [Accepted: 01/05/2019] [Indexed: 05/23/2023]
Abstract
BACKGROUND Epidemiological studies report fairly consistent associations between various air pollution metrics and autism spectrum disorder (ASD), with some elevated risks reported for different prenatal and postnatal periods. OBJECTIVES To examine associations between ASD and ambient fine particulate matter (PM2.5) and ozone concentrations during the prenatal period through the second year of life in a case-control study. METHODS ASD cases (n = 428) diagnosed at Cincinnati Children's Hospital Medical Center were frequency matched (15:1) to 6420 controls from Ohio birth records. We assigned daily PM2.5 and ozone estimates for 2005-2012 from US EPA's Fused Air Quality Surface Using Downscaling model to each participant for each day based on the mother's census tract of residence at birth. We calculated adjusted odds ratios (aORs) using logistic regression across continuous and categorical exposure window averages (trimesters, first and second postnatal years, and cumulative measure), adjusting for maternal- and birth-related confounders, both air pollutants, and multiple temporal exposure windows. RESULTS We detected elevated aORs for PM2.5 during the 2nd trimester, 1st year of life, and a cumulative period from pregnancy through the 2nd year (aOR ranges across categories: 1.41-1.44, 1.54-1.84, and 1.41-1.52 respectively), and for ozone in the 2nd year of life (aOR range across categories: 1.29-1.42). Per each change in IQR, we observed elevated aORs for ozone in the 3rd trimester, 1st and 2nd years of life, and the cumulative period (aOR range: 1.19-1.27) and for PM2.5 in the 2nd trimester, 1st year of life, and the cumulative period (aOR range: 1.11-1.17). DISCUSSION We saw limited evidence of linear exposure-response relationships for ASD with increasing air pollution, but the elevated aORs detected for PM2.5 in upper exposure categories and per IQR unit increases were similar in magnitude to those reported in previous studies, especially for postnatal exposures.
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Affiliation(s)
- John A Kaufman
- Association of Schools and Programs of Public Health, hosted by National Center for Environmental Assessment, Office of Research and Development, US EPA, 26W. Martin Luther King Dr., Cincinnati, OH 45268, United States.
| | - J Michael Wright
- National Center for Environmental Assessment, Office of Research and Development, US EPA, 26W. Martin Luther King Dr., Cincinnati, OH 45268, United States
| | - Glenn Rice
- National Center for Environmental Assessment, Office of Research and Development, US EPA, 26W. Martin Luther King Dr., Cincinnati, OH 45268, United States
| | | | - Katherine Bowers
- Division of Biostatistics and Epidemiology, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave, Cincinnati, OH 45229, United States
| | - Julia Anixt
- Division of Developmental and Behavioral Pediatrics, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave, Cincinnati, OH 45229, United States
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Abstract
PURPOSE OF REVIEW Preterm birth is the leading cause of global child mortality, and survivors are at increased risk of multiple morbidities that can continue into adulthood. Recent studies have suggested that maternal exposure to air pollution and high and low ambient temperatures may increase the risk of preterm birth, whereas proximity to green space may decrease it. This review summarizes these findings and suggests avenues for further research. RECENT FINDINGS Particulate matter may be associated with an increased risk of preterm birth, but the magnitude of the effect remains unclear. Heat and cold likely increase the risk of preterm birth, with stronger evidence for heat. The first and third trimesters may be sensitive periods for exposure to both temperature and particulate matter, but the underlying biological mechanisms are incompletely understood. Context-appropriate green space can substantially reduce particulate matter levels and mitigate urban heat islands. SUMMARY In a warming, urbanizing world, exposure to unusual temperatures and elevated particulate matter levels represent an increasing risk for pregnant women. Green infrastructure might help mitigate this risk, but further research is needed to confirm its effects in complex urban environments and evaluate the contribution of both indoor and outdoor particulate matter and air temperature to personal exposure and preterm birth.
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Percy Z, DeFranco E, Xu F, Hall ES, Haynes EN, Jones D, Muglia LJ, Chen A. Trimester specific PM 2.5 exposure and fetal growth in Ohio, 2007-2010. ENVIRONMENTAL RESEARCH 2019; 171:111-118. [PMID: 30660917 PMCID: PMC6382528 DOI: 10.1016/j.envres.2019.01.031] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2018] [Revised: 01/10/2019] [Accepted: 01/14/2019] [Indexed: 05/04/2023]
Abstract
BACKGROUND Exposure to particulate matter, particularly with aerodynamic diameter < 2.5 µm (PM2.5), may increase inflammation and oxidative stress in pregnant women and affect fetal growth. We examined trimester specific PM2.5 exposure levels and small for gestational age (SGA) using the statewide birth registry of Ohio from 2007 to 2010. METHODS Exposure to PM2.5 in each trimester and for each gestational week was determined using data from 57 Environmental Protection Agency network monitoring stations across the state of Ohio. We restricted the data to 224,921 singleton live births, with a gestational age of 20-42 weeks, no genetic disorders or congenital abnormalities, and who had home addresses within a 10 km radius of any PM2.5 monitoring station. We estimated odds ratios of SGA using Generalized Linear Models (GLMs) and Distributed Lag Models (DLMs), and adjustment for maternal age, race, education, parity, body mass index, insurance type, tobacco use, prenatal care initiation, birth year, season of birth, and sex of the baby. RESULTS Mean PM2.5 levels during the entire pregnancy were 13.03 µg/m3 with a standard deviation of 1.57 µg/m3. Covariates adjusted odds ratios and 95% confidence intervals of a 10 µg/m3 increase in PM2.5 levels with a 10 km buffer radius for SGA and trimesters modeled separately were 0.94 (0.88, 1.00) for the first trimester, 0.93 (0.86, 1.00) for the second trimester, 1.07 (1.00, 1.15) for the third trimester, and 0.92 (0.81, 1.06) for the entire pregnancy. When a 5 km buffer radius was used, adjusted odds ratios and 95% confidence intervals for SGA were 0.97 (0.89, 1.05) for the first trimester, 0.96 (0.88, 1.05) for the second trimester, 1.09 (1.02, 1.17) for the third trimester, and 0.99 (0.85, 1.14) for the overall pregnancy, indicating sensitivity to buffer choice. DLMs showed gestational weeks 30-35 to be a particular window of vulnerability. CONCLUSION Increasing exposure to PM2.5 during the third trimester of pregnancy was associated with a small increase in risk of SGA in this population-based study. Selection of a buffer radius significantly impacted our results in the first trimester, but not in the third trimester.
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Affiliation(s)
- Zana Percy
- Division of Epidemiology, Department of Environmental Health, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
| | - Emily DeFranco
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA; Perinatal Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Fan Xu
- Division of Epidemiology, Department of Environmental Health, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
| | - Eric S Hall
- Perinatal Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
| | - Erin N Haynes
- Division of Epidemiology, Department of Environmental Health, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
| | - David Jones
- Division of Biostatistics and Epidemiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Louis J Muglia
- Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA; Perinatal Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA; Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Aimin Chen
- Division of Epidemiology, Department of Environmental Health, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA.
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143
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Abstract
BACKGROUND Traffic-related air pollution has been linked to multiple adverse pregnancy outcomes. However, few studies have examined pregnancy loss, targeting losses identified by hospital records, a large limitation as it does not capture events not reported to the medical system. METHODS We used a novel variation of the time-series design to determine the association, and identify the critical window of vulnerability, between week-to-week traffic-related air pollution and conceptions resulting in live births, using nitrogen dioxide (NO2) as a traffic emissions tracer. We used information from all live births recorded at Beth Israel Deaconess Medical Center in Boston, MA (2000-2013) and all live births in Tel Aviv District, Israel (2010-2013). RESULTS In Boston (68,969 live births), the strongest association was during the 15th week of gestation; for every 10 ppb of NO2 increase during that week, we observed a lower rate of live births (rate ratio [RR] = 0.87; 95% confidence interval [CI], 0.78, 0.97), using live birth-identified conceptions to infer pregnancy losses. In the Tel Aviv District (95,053 live births), the strongest estimate was during the 16th gestational week gestation (RR = 0.82; 95% CI, 0.76, 0.90 per 10 ppb of NO2). CONCLUSIONS Using weekly conceptions ending in live birth rather than identified pregnancy losses, we comprehensively analyzed the relationship between air pollution and all pregnancy loss throughout gestation. The observed results, with remarkable similarity in two independent locations, suggest that higher traffic-related air pollution levels are associated with pregnancy loss, with strongest estimates between the 10th and 20th gestational weeks.
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144
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Bose S, Ross KR, Rosa MJ, Chiu YHM, Just A, Kloog I, Wilson A, Thompson J, Svensson K, Rojo MMT, Schnaas L, Osorio-Valencia E, Oken E, Wright RO, Wright RJ. Prenatal particulate air pollution exposure and sleep disruption in preschoolers: Windows of susceptibility. ENVIRONMENT INTERNATIONAL 2019; 124:329-335. [PMID: 30660846 PMCID: PMC6615028 DOI: 10.1016/j.envint.2019.01.012] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 01/03/2019] [Accepted: 01/04/2019] [Indexed: 05/18/2023]
Abstract
BACKGROUND The programming of sleep architecture begins in pregnancy and depends upon optimal in utero formation and maturation of the neural connectivity of the brain. Particulate air pollution exposure can disrupt fetal brain development but associations between fine particulate matter (PM2.5) exposure during pregnancy and child sleep outcomes have not been previously explored. METHODS Analyses included 397 mother-child pairs enrolled in a pregnancy cohort in Mexico City. Daily ambient prenatal PM2.5 exposure was estimated using a validated satellite-based spatio-temporally resolved prediction model. Child sleep periods were estimated objectively using wrist-worn, continuous actigraphy over a 1-week period at age 4-5 years. Data-driven advanced statistical methods (distributed lag models (DLMs)) were employed to identify sensitive windows whereby PM2.5 exposure during gestation was significantly associated with changes in sleep duration or efficiency. Models were adjusted for maternal education, season, child's age, sex, and BMI z-score. RESULTS Mother's average age was 27.7 years, with 59% having at least a high school education. Children slept an average of 7.7 h at night, with mean 80.1% efficiency. The adjusted DLM identified windows of PM2.5 exposure between 31 and 35 weeks gestation that were significantly associated with decreased sleep duration in children. In addition, increased PM2.5 during weeks 1-8 was associated with decreased sleep efficiency. In other exposure windows (weeks 39-40), PM2.5 was associated with increased sleep duration. CONCLUSION Prenatal PM2.5 exposure is associated with altered sleep in preschool-aged children in Mexico City. Pollutant exposure during sensitive windows of pregnancy may have critical influence upon sleep programming.
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Affiliation(s)
- Sonali Bose
- Division of Pulmonary and Critical Care Medicine, Icahn School of Medicine at Mount Sinai, New York, United States of America; Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, United States of America
| | - Kristie R Ross
- Department of Pediatrics, Rainbow Babies and Children's Hospital, Case Western Reserve University, Cleveland, OH, United States of America
| | - Maria J Rosa
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, United States of America
| | - Yueh-Hsiu Mathilda Chiu
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, United States of America
| | - Allan Just
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, United States of America
| | - Itai Kloog
- Department of Geography and Environmental Development, Ben-Gurion University of the Negev, BeerSheba, Israel
| | - Ander Wilson
- Department of Statistics, Colorado State University, United States of America
| | - Jennifer Thompson
- Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, United States of America
| | - Katherine Svensson
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, United States of America
| | | | - Lourdes Schnaas
- Department of Developmental Neurobiology, National Institute of Perinatology "Isidro Espinosa de los Reyes", Mexico City, Mexico
| | - Erika Osorio-Valencia
- Department of Developmental Neurobiology, National Institute of Perinatology "Isidro Espinosa de los Reyes", Mexico City, Mexico
| | - Emily Oken
- Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, United States of America
| | - Robert O Wright
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, United States of America; Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, United States of America; Institute for Exposomics Research, Icahn School of Medicine at Mount Sinai, New York, United States of America
| | - Rosalind J Wright
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, United States of America; Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, United States of America; Institute for Exposomics Research, Icahn School of Medicine at Mount Sinai, New York, United States of America.
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145
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Wang Q, Benmarhnia T, Li C, Knibbs LD, Bao J, Ren M, Zhang H, Wang S, Zhang Y, Zhao Q, Huang C. Seasonal analyses of the association between prenatal ambient air pollution exposure and birth weight for gestational age in Guangzhou, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 649:526-534. [PMID: 30179811 DOI: 10.1016/j.scitotenv.2018.08.303] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 08/11/2018] [Accepted: 08/22/2018] [Indexed: 05/16/2023]
Abstract
Ambient air pollution has been linked to small for gestational age (SGA); however, the relationship with large for gestational age (LGA) is unclear and very few studies have investigated seasonal effects on the association between air pollution and SGA or LGA. Using birth registry data of 506,000 singleton live births from 11 districts in Guangzhou, China between January 2015 and July 2017, we examined associations between ambient air pollutants (PM2.5, PM10, NO2, SO2, and O3) and SGA/LGA, and further assessed the modification effect of season. Daily concentrations of air pollutants from 11 monitoring stations were used to estimate district-specific exposures for each participant based on their district of residence during pregnancy. Two-level binary logistic regression models were used to evaluate associations between air pollution and SGA/LGA. Stratified analyses by season and a Cochran Q test were performed to assess the modification of season. Exposure to PM2.5, NO2, SO2, and O3 was significantly associated with increased risk of SGA, especially for exposure during the second and third trimester. For an interquartile range (IQR) increase in PM2.5 (6.5 μg/m3), NO2 (12.7 μg/m3), SO2 (2.8 μg/m3) and O3 (20.8 μg/m3) during the entire pregnancy, SGA risk increased by 2% (OR = 1.02, 95% CI: 1.00-1.04), 8% (OR = 1.08, 95% CI: 1.04-1.12), 2% (OR = 1.02, 95% CI: 1.01-1.03), and 14% (1.14, 1.11-1.17), respectively. A decreased risk of LGA was found for PM2.5, PM10, SO2, and O3 during the first trimester or entire pregnancy. When examined by season, significant associations between air pollutants and SGA were observed for women who conceived during summer or fall, and the patterns were consistent for all pollutants. Our study suggests that conception during different seasons might modify the association between ambient air pollution and SGA.
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Affiliation(s)
- Qiong Wang
- Department of Health Policy and Management, School of Public Health, Sun Yat-sen University, Guangzhou, China; Guangzhou Key Laboratory of Environmental Pollution and Health Risk Assessment, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Tarik Benmarhnia
- Department of Family Medicine and Public Health & Scripps Institution of Oceanography, University of California, San Diego, CA, USA
| | - Changchang Li
- Department of Health Policy and Management, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Luke D Knibbs
- School of Public Health, The University of Queensland, Herston, Australia
| | - Junzhe Bao
- Department of Health Policy and Management, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Meng Ren
- Department of Health Policy and Management, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Huanhuan Zhang
- Department of Health Policy and Management, School of Public Health, Sun Yat-sen University, Guangzhou, China; Guangzhou Key Laboratory of Environmental Pollution and Health Risk Assessment, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Suhan Wang
- Department of Health Policy and Management, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Yawei Zhang
- School of Public Health, Yale University, New Haven, CT, USA
| | - Qingguo Zhao
- Key Laboratory of Male Reproduction and Genetics (National Health and Family Planning Commission), Family Planning Research Institute of Guangdong Province, Guangzhou, China; Key Laboratory of Male Reproduction and Genetics (National Health and Family Planning Commission), Family Planning Special Hospital of Guangdong Province, Guangzhou, China.
| | - Cunrui Huang
- Department of Health Policy and Management, School of Public Health, Sun Yat-sen University, Guangzhou, China; Guangzhou Key Laboratory of Environmental Pollution and Health Risk Assessment, School of Public Health, Sun Yat-sen University, Guangzhou, China.
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146
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Agay-Shay K, Michael Y, Basagaña X, Martínez-Solanas È, Broday D, Lensky IM, Rudolf M, Rubin L, Kent R, Levy N, Haklai Z, Grotto I. Mean and variance of greenness and pregnancy outcomes in Tel Aviv during 2000–14: longitudinal and cross-sectional approaches. Int J Epidemiol 2018; 48:1054-1072. [DOI: 10.1093/ije/dyy249] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/31/2018] [Indexed: 01/02/2023] Open
Abstract
Abstract
Background
Natural environments may have beneficial impacts on pregnancy outcomes. However, longitudinal evidence is limited and the associations with variance in surrounding greenness is unknown. Our objective was to evaluate these associations among 73 221 live births in Tel Aviv, Israel.
Methods
Longitudinal exposure to mean of greenness during pregnancy and trimesters were calculated using satellite-based Moderate Resolution Imaging Spectroradiometer (MODIS) Normalised Difference Vegetation Index (NDVI) data. In addition, exposure to mean and variation of NDVI from high-resolution satellite and percentage of tree cover [Vegetation Continuous Fields (VCF)] at 300-m buffer were evaluated in a cross-sectional approach. Generalized linear models were used to estimate the crude and adjusted associations. We explore the possible mediating role of ambient exposures and distance to ‘outdoor gyms’ located in parks.
Results
Crude beneficial associations between exposure to higher mean NDVI during pregnancy and pregnancy outcomes were observed [for birthweight, 3rd/1st tertile exposure increased the mean by 25.5 g, 95% confidence intervals (CIs): 15.4, 35.5] and decreased the odds of low birthweight, small for gestational age, preterm deliveries (PTD) and very PTD. Adjustment for individual and neighbourhood-level markers of socio-economic status (SES) attenuated all the associations. Strongest associations were observed during the first and second trimesters. Cross-sectional associations for mean greenness were similar with narrower CIs, and associations with NDVI were stronger than with tree cover and stronger for mean compared with variance of greenness. Associations were consistent for term births, different buffer sizes and for further adjustment to maternal education. Stronger associations were observed for lowest SES. Distance to ‘outdoor gyms’ and variance of greenness had the largest estimates of mediation.
Conclusion
This study adds to the limited information on when exposure to greenness is most beneficial, on the association with variance of greenness and the possible pathways. These observations require confirmation in other populations.
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Affiliation(s)
- Keren Agay-Shay
- Department of Population Health, Azrieli Faculty of Medicine, Bar Ilan University, Safed, Israel
| | - Yaron Michael
- Department of Geography and Environment, Bar Ilan University, Ramat-Gan, Israel
| | - Xavier Basagaña
- ISGlobal, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Èrica Martínez-Solanas
- ISGlobal, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- CIBER Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - David Broday
- Department of Environmental, Water, and Agricultural Engineering, Faculty of Civil and Environmental Engineering, Technion—Israel Institute of Technology, Haifa, Israel
| | - Itamar M Lensky
- Department of Geography and Environment, Bar Ilan University, Ramat-Gan, Israel
| | - Mary Rudolf
- Department of Population Health, Azrieli Faculty of Medicine, Bar Ilan University, Safed, Israel
| | - Lisa Rubin
- Department of Maternal and Child Health, Public Health Services, Ministry of Health, Jerusalem, Israel
- School of Public Health, University of Haifa, Haifa, Israel
| | - Rafi Kent
- Department of Geography and Environment, Bar Ilan University, Ramat-Gan, Israel
| | - Nadav Levy
- Public Transport Unit, Tel Aviv Municipality, Tel Aviv, Israel
| | - Ziona Haklai
- Health Information Division, Ministry of Health, Jerusalem, Israel
| | - Itamar Grotto
- Ministry of Health, Jerusalem, Israel
- School of Public Health, Faculty of Health Science, Ben-Gurion University of the Negev, Beer Sheva, Israel
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147
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Wang Q, Benmarhnia T, Zhang H, Knibbs LD, Sheridan P, Li C, Bao J, Ren M, Wang S, He Y, Zhang Y, Zhao Q, Huang C. Identifying windows of susceptibility for maternal exposure to ambient air pollution and preterm birth. ENVIRONMENT INTERNATIONAL 2018; 121:317-324. [PMID: 30241019 DOI: 10.1016/j.envint.2018.09.021] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 09/02/2018] [Accepted: 09/12/2018] [Indexed: 05/21/2023]
Abstract
Maternal exposure to ambient air pollution has been associated with preterm birth (PTB), however, entire pregnancy or trimester-specific associations were generally reported, which may not sufficiently identify windows of susceptibility. Using birth registry data from Guangzhou, a megacity of southern China (population ~14.5 million), including 469,975 singleton live births between January 2015 and July 2017, we assessed the association between weekly air pollution exposure and PTB in a retrospective cohort study. Daily average concentrations of PM2.5, PM10, NO2, SO2, and O3 from 11 monitoring stations were used to estimate district-specific exposures for each participant based on their district residency during pregnancy. Distributed lag models (DLMs) incorporating Cox proportional hazard models were applied to estimate the association between weekly maternal exposure to air pollutant and PTB risk (as a time-to-event outcome), after controlling for temperature, seasonality, and individual-level covariates. We also considered moderate PTB (32-36 gestational weeks) and very PTB (28-31 gestational weeks) as outcomes of interest. Hazard ratios (HRs) and 95% confidential intervals (95% CIs) were calculated for an interquartile range (IQR) increase in air pollutants during the study period. An IQR increase in PM2.5 exposure during the 20th to 28th gestational weeks (27.0 μg/m3) was significantly associated with PTB risk, with the strongest effect in the 25th week (HR = 1.034, 95% CI:1.010-1.059). The significant exposure windows were the 19th-28th weeks for PM10, the 18th-31st weeks for NO2, and the 23rd-31st weeks for O3, respectively. The strongest associations were observed in the 25th week for PM10 (IQR = 37.0 μg/m3; HR = 1.048, 95% CI:1.034-1.062), the 26th week for NO2 (IQR = 29.0 μg/m3; HR = 1.060, 95% CI:1.028-1.094), and in the 28th week for O3 (IQR = 90.0 μg/m3; HR = 1.063, 95% CI:1.046-1.081). Similar patterns were observed for moderate PTB (32-36 gestational weeks) and very PTB (28-31 gestational weeks) for PM2.5, PM10, NO2 exposure, but the effects were greater for very PTB. We did not observe any association between pregnancy SO2 exposure and the risk of PTB. Our results suggest that middle to late pregnancy is the most susceptible air pollution exposure window for air pollution and PTB among women in Guangzhou, China.
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Affiliation(s)
- Qiong Wang
- School of Public Health, Sun Yat-sen University, Guangzhou, China; Guangzhou Key Laboratory of Environmental Pollution and Health Risk Assessment, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Tarik Benmarhnia
- Department of Family Medicine and Public Health, University of California, San Diego, La Jolla, CA, USA; Scripps Institution of Oceanography, University of California, San Diego, CA, USA
| | - Huanhuan Zhang
- School of Public Health, Sun Yat-sen University, Guangzhou, China; Guangzhou Key Laboratory of Environmental Pollution and Health Risk Assessment, School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Luke D Knibbs
- School of Public Health, The University of Queensland, Herston, Australia
| | - Paige Sheridan
- Department of Family Medicine and Public Health, University of California, San Diego, La Jolla, CA, USA; Graduate School of Public Health, San Diego State University, San Diego, CA, USA
| | - Changchang Li
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Junzhe Bao
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Meng Ren
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Suhan Wang
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Yiling He
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Yawei Zhang
- School of Public Health, Yale University, New Haven, CT, USA
| | - Qingguo Zhao
- Epidemiological Research Office of Key Laboratory of Male Reproduction and Genetics (National Health and Family Planning Commission), Family Planning Research Institute of Guangdong Province, Guangzhou, China; Epidemiological Research Office of Key Laboratory of Male Reproduction and Genetics (National Health and Family Planning Commission), Family Planning Special Hospital of Guangdong Province, Guangzhou, China.
| | - Cunrui Huang
- School of Public Health, Sun Yat-sen University, Guangzhou, China; Guangzhou Key Laboratory of Environmental Pollution and Health Risk Assessment, School of Public Health, Sun Yat-sen University, Guangzhou, China.
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148
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Kloog I, Novack L, Erez O, Just AC, Raz R. Associations between ambient air temperature, low birth weight and small for gestational age in term neonates in southern Israel. Environ Health 2018; 17:76. [PMID: 30413171 PMCID: PMC6234799 DOI: 10.1186/s12940-018-0420-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 10/25/2018] [Indexed: 05/15/2023]
Abstract
BACKGROUND The increase in ambient temperatures (Ta) and emissions of greenhouse gases over the last century has focused attention on the effects of ambient temperatures on health outcomes. We aimed to investigate the association between Ta and the clinical measures of term low birth weight (tLBW) and small for gestational age (SGA) in singleton term infants using a decade of regional hospital data in southern Israel. METHODS We linked all births in Soroka University Medical Center in the southern district of Israel insured by Clalit Health Services with pregnancy Ta estimated by our novel hybrid spatio-temporally resolved prediction model. Logistic regression generalized additive models and general linear models were used, with either tLBW or SGA as the dependent variable, modeling entire pregnancy and trimester-specific Ta adjusting for seasonality, time trend, particulate matter, maternal age, gravidity, parity, ethnicity, sex, poverty index and population density. RESULTS The study population included 56,141 singleton term newborns, with 1716 (3.1%) cases of tLBW and 8634 (15.4%) cases of SGA. The average and the median Ta across the entire pregnancy were 19.9 (SD: 1.77, range: 14.6-24.9) degrees centigrade. The lowest Ta quartile (Ta = < 18.5) was associated with higher risk of tLBW (odds ratio = 1.33, 95%CI 1.11-1.58) while the highest Ta quartile (Ta > =21.3) was not significantly associated with tLBW (odds ratio = 1.17, 95%CI 0.99-1.38), in comparison to the two intermediate quartiles. When analyzing SGA as the dependent variable, the lowest Ta quartile was associated with significantly higher risk of SGA (odds ratio = 1.18, 95%CI 1.09-1.29) while the highest quartile was associated with significantly lower risk of SGA (odds ratio = 0.91, 95%CI 0.84-0.99) in comparison to the two intermediate quartiles. CONCLUSIONS Our findings suggest that lower pregnancy Ta may increase the risk of tLBW and SGA, and higher pregnancy Ta may decrease the risk of SGA in singleton term infants in southern Israel.
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Affiliation(s)
- Itai Kloog
- Department of Geography and Environmental Development, Ben-Gurion University of the Negev, P.O.B, 653 Beer Sheva, Israel
| | - Lena Novack
- Department of Public Health, Ben-Gurion University of the Negev, P.O.B, 653 Beer Sheva, Israel
| | - Offer Erez
- Department of Gynecology and Obstetrics, Soroka medical center, Beer Sheva, Israel
| | - Allan C. Just
- Department of Preventive Medicine, Icahn School of Medicine at Mt Sinai, New York, NY USA
| | - Raanan Raz
- Braun School of Public Health and Community Medicine, Faculty of medicine, the Hebrew University of Jerusalem, Jerusalem, Israel
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149
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Raz R, Kioumourtzoglou MA, Weisskopf MG. Live-Birth Bias and Observed Associations Between Air Pollution and Autism. Am J Epidemiol 2018; 187:2292-2296. [PMID: 30099488 DOI: 10.1093/aje/kwy172] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Accepted: 08/01/2018] [Indexed: 12/25/2022] Open
Abstract
A recent analysis found that exposure to air pollution during specific weeks of pregnancy was negatively associated with risk of autism spectrum disorder (ASD) when mutually adjusted for postnatal air-pollution exposure. In this commentary, we describe 2 possible selection-bias processes that might lead to such results, both related to live-birth bias (i.e., the inevitable restriction of the analyzed sample to live births). The first mechanism is described using a directed acyclic graph and relates to the chance of live birth being a common consequence of both exposure to air pollution and another risk factor of ASD. The second mechanism involves preferential depletion of fetuses susceptible to ASD in the higher air-pollution exposure group. We further discuss the assumptions underlying these processes and their causal structures, their plausibility, and other studies where similar phenomena might have occurred.
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Affiliation(s)
- Raanan Raz
- Braun School of Public Health and Community Medicine, the Hebrew University of Jerusalem, Jerusalem, Israel
| | - Marianthi-Anna Kioumourtzoglou
- Department of Environmental Health Sciences, Columbia University Mailman School of Public Health, New York City, New York
| | - Marc G Weisskopf
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts
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150
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Bose S, Rosa MJ, Mathilda Chiu YH, Leon Hsu HH, Di Q, Lee A, Kloog I, Wilson A, Schwartz J, Wright RO, Morgan WJ, Coull BA, Wright RJ. Prenatal nitrate air pollution exposure and reduced child lung function: Timing and fetal sex effects. ENVIRONMENTAL RESEARCH 2018; 167:591-597. [PMID: 30172192 PMCID: PMC6196719 DOI: 10.1016/j.envres.2018.08.019] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 08/10/2018] [Accepted: 08/12/2018] [Indexed: 05/29/2023]
Abstract
BACKGROUND Prenatal particulate air pollution exposure may alter lung growth and development in utero in a time-sensitive and sex-specific manner, resulting in reduced lung function in childhood. Such relationships have not been examined for nitrate (NO3-). METHODS We implemented Bayesian distributed lag interaction models (BDLIMs) to identify sensitive prenatal windows for the influence of NO3- on lung function at age 7 years, assessing effect modification by fetal sex. Analyses included 191 mother-child dyads. Daily ambient NO3- exposure over pregnancy was estimated using a hybrid chemical transport (Geos-Chem)/land-use regression model. Spirometry was performed at mean (SD) age of 6.99 (0.89) years, with forced expiratory volume in one second (FEV1) and forced vital capacity (FVC) z-scores accounting for child age, sex, height and race/ethnicity. RESULTS Most mothers were Hispanic (65%) or Black (22%), had ≤ high school education (67%), and never smoked (71%); 17% children had asthma. BDILMs adjusted for maternal age and education and child's asthma identified an early sensitive window of 6-12 weeks gestation, during which increased NO3- was significantly associated with reduced FEV1 z-scores specifically among boys. BDLIM analyses demonstrated similar sex-specific patterns for FVC. CONCLUSION Early gestational NO3- exposure is associated with reduced child lung function, especially in boys.
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Affiliation(s)
- Sonali Bose
- Division of Pulmonary and Critical Care Medicine, Icahn School of Medicine at Mount Sinai, New York, United States; Department of Pediatrics, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1198, New York, NY 10029, United States
| | - Maria José Rosa
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, United States
| | - Yueh-Hsiu Mathilda Chiu
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1198, New York, NY 10029, United States
| | - Hsiao-Hsien Leon Hsu
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, United States
| | - Qian Di
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Alison Lee
- Division of Pulmonary and Critical Care Medicine, Icahn School of Medicine at Mount Sinai, New York, United States
| | - Itai Kloog
- Department of Geography and Environmental Development, Ben-Gurion University of the Negev, BeerSheba, Israel
| | - Ander Wilson
- Department of Statistics, Colorado State University, Fort Collins, CO, United States
| | - Joel Schwartz
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Robert O Wright
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1198, New York, NY 10029, United States; Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, United States; Institute for Exposomics Research, Icahn School of Medicine at Mount Sinai, New York, United States
| | - Wayne J Morgan
- Department of Pediatrics, The University of Arizona, United States
| | - Brent A Coull
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Rosalind J Wright
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1198, New York, NY 10029, United States; Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, United States; Institute for Exposomics Research, Icahn School of Medicine at Mount Sinai, New York, United States.
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