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Deng B, Zhu L, Zhang Y, Tang Z, Shen J, Zhang Y, Zheng H, Zhang Y. Short-term exposure to PM 2.5 constituents, extreme temperature events and stroke mortality. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 954:176506. [PMID: 39341242 DOI: 10.1016/j.scitotenv.2024.176506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2024] [Revised: 09/19/2024] [Accepted: 09/23/2024] [Indexed: 09/30/2024]
Abstract
BACKGROUND Fine particulate matter (PM2.5) pollution and extreme temperature events (ETEs) are main environmental threats to human health. Elevated stroke mortality has been growingly linked to PM2.5 mass exposure, while its relationship with PM2.5 constituents was extensively unstudied across the globe. Additionally, no prior assessments have investigated the interactive effects of PM2.5 constituents and ETEs on stroke mortality. METHODS Province-wide records of 320,372 stroke deaths collected in eastern China during 2016-2019 were analyzed using an individual-level time-stratified case-crossover design. Daily gridded estimates of PM2.5 mass and its major constituents (i.e., black carbon [BC], organic matter [OM], ammonium [NH4+], sulfate [SO42-], and nitrate [NO3-]) were assigned to stroke cases on case days and control days at the residential address. We assessed 12 ETEs defined by multiple combinations of air temperature thresholds (2.5-10th percentiles for cold spell, 90-97.5th percentiles for heat wave) and durations (2-4 days). Conditional logistic regression model was applied to investigate associations of short-term exposure to PM2.5 constituents and ETEs with stroke mortality. Odds ratio and its 95% confidence interval (CI) were assessed for an interquartile range (IQR) increase in each PM2.5 constituent and on ETEs days compared with non-ETEs days. Additive interactive effects were quantitatively evaluated via relative excess odds due to interaction (REOI), attributable proportion due to interaction (AP), and synergy index (SI). RESULTS Elevated overall stroke mortality was significantly related to PM2.5 constituents, with the largest odds observed for NO3- (1.04, 95% CI: 1.03-1.04, IQR = 11.25 μg/m3), followed by OM (1.03, 1.03-1.04, IQR = 7.97 μg/m3), NH4+ (1.03, 1.02-1.04, IQR = 6.66 μg/m3), BC (1.03, 1.02-1.03, IQR = 1.41 μg/m3), and SO42- (1.03, 1.02-1.03, IQR = 6.67 μg/m3). Overall, higher risks of stroke mortality were identified in analyses using more rigorous thresholds and lengthened durations of ETEs definitions, ranging from 1.19 (1.17-1.21) to 1.55 (1.51-1.60) for heat wave, and 1.03 (1.02-1.05) to 1.11 (1.08-1.15) for cold spell, respectively. We observed consistent evidence for the synergistic effects of heat wave and PM2.5 constituents on both ischemic and hemorrhagic stroke mortality, where compound exposures to heat wave and secondary inorganic aerosols (i.e., NO3-, SO42-, and NH4+) posed greater increases in risk (0.23< REOI <0.81, 0.16< AP <0.39, and 2.63< SI <8.19). CONCLUSIONS Short-term exposure to both PM2.5 constituents and ETEs were associated with heightened stroke mortality, and heat wave may interact synergistically with PM2.5 constituents to trigger stroke deaths.
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Affiliation(s)
- Boning Deng
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Public Health, Wuhan University of Science and Technology, Wuhan 430065, China
| | - Lifeng Zhu
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Public Health, Wuhan University of Science and Technology, Wuhan 430065, China
| | - Yuanyuan Zhang
- Wuhan Center for Disease Control and Prevention, Wuhan 430022, China
| | - Ziqing Tang
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Public Health, Wuhan University of Science and Technology, Wuhan 430065, China
| | - Jiajun Shen
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Public Health, Wuhan University of Science and Technology, Wuhan 430065, China
| | - Yalin Zhang
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Public Health, Wuhan University of Science and Technology, Wuhan 430065, China
| | - Hao Zheng
- Department of Environmental Health, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China.
| | - Yunquan Zhang
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Public Health, Wuhan University of Science and Technology, Wuhan 430065, China.
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Cheng Y, Yin J, Yang L, Xu M, Lu X, Huang W, Dai G, Sun G. Ambient air pollutants in the first trimester of pregnancy and birth defects: an observational study. BMJ Open 2023; 13:e063712. [PMID: 36948563 PMCID: PMC10040071 DOI: 10.1136/bmjopen-2022-063712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/24/2023] Open
Abstract
OBJECTIVES As current studies on the relationships between air pollutants exposure during the first trimester and birth defects were not fully elucidated, this study aimed to assess the association between selected air pollutants and birth defects. DESIGN An observational study. PARTICIPANTS We obtained 70 854 singletons with gestational age <20 weeks who were delivered at a large maternal and child healthcare centre in Wuhan, China. OUTCOME MEASURES Birth defects data and daily average concentration of ambient particulate matter ≤10 µm diameter (PM10), PM ≤2.5 µm diameter (PM2.5), sulfur dioxide (SO2) and nitrogen dioxide (NO2) were obtained. Logistic regression analysis was applied to assess the association between maternal air pollutants exposure during first trimester and total birth defects, congenital heart defects (CHDs), limb defects and orofacial clefts with adjustments of potential covariates. RESULTS There were a total of 1352 birth defect cases included in this study, with a prevalence of 19.08‰. Maternal exposed to high concentrations of PM10, PM2.5, NO2 and SO2 in the first trimester were significantly associated with elevated ORs of birth defects (ORs ranged from 1.13 to 1.23). Additionally, for male fetuses, maternal exposed to high PM2.5 concentration was associated with an elevated odd of CHDs (OR 1.27, 95% CI 1.06 to 1.52). In the cold season, the ORs of birth defects were significantly increased among women exposed to PM2.5 (OR 1.64, 95% CI 1.41 to 1.91), NO2 (OR 1.22, 95% CI 1.08 to 1.38) and SO2 (OR 1.26, 95% CI 1.07 to 1.47). CONCLUSIONS This study showed unfavourable effects of air pollutants exposure during the first trimester on birth defects. Especially, the association between maternal PM2.5 exposure and CHDs was only observed among male fetuses, and stronger effects of PM2.5, NO2 and SO2 exposure on birth defects were observed in the cold season.
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Affiliation(s)
- Yao Cheng
- Obstetrics Department, Maternal and Child Health Hospital of Hubei Province, Wuhan, China
| | - Jieyun Yin
- Department of Epidemiology and Health Statistics, Medical College of Soochow University, Suzhou, China
| | - Lijun Yang
- Obstetrics Department, Maternal and Child Health Hospital of Hubei Province, Wuhan, China
| | - Man Xu
- School of Nursing, Hubei University of Chinese Medicine, Wuhan, China
| | - Xinfeng Lu
- Medical Record Department, Maternal and Child Health Hospital of Hubei Province, Wuhan, China
| | - Wenting Huang
- Science and Education Department, Maternal and Child Health Hospital of Hubei Province, Wuhan, China
| | - Guohong Dai
- Health Care Department, Maternal and Child Health Hospital of Hubei Province, Wuhan, China
| | - Guoqiang Sun
- Obstetrics Department, Maternal and Child Health Hospital of Hubei Province, Wuhan, China
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Zhang X, Sun H, Li K, Nie X, Fan Y, Wang H, Ma J. Comparison of the Application of Three Methods for the Determination of Outdoor PM 2.5 Design Concentrations for Fresh Air Filtration Systems in China. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph192416537. [PMID: 36554417 PMCID: PMC9779298 DOI: 10.3390/ijerph192416537] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/05/2022] [Accepted: 12/06/2022] [Indexed: 06/12/2023]
Abstract
With the increasing popularity of fresh-air filtration systems, the methods of determining the outdoor PM2.5 design concentration have become more important. However, the monitoring of atmospheric fine particles in China started relatively late, and there are relatively few cities with complete data, with obvious regional differences, which led to many problems in the selection of air filters for fresh-air filtration systems. In this paper, three methods of determining outdoor PM2.5 design concentration were analyzed using the daily average concentration of PM2.5 in 31 provincial capital cities from 2016 to 2020. Six typical cities in different regions were also taken as examples. The advantages and disadvantages of the three existing statistical methods were compared and analyzed, as well as the corresponding differences in the selection of outdoor PM2.5 concentration value on the filter systems. The results showed that the method of mathematical induction was more accurate and reasonable for the calculation of outdoor PM2.5 design concentrations. The local outdoor PM2.5 design concentration could be quickly calculated using the recommended coefficient K and annual average PM2.5 concentration of the region, especially for small and medium-sized cities without monitoring data. However, the recommended coefficient K should be provided based on the specific region, and should be divided into values for strict conditions and normal conditions during use. This would provide a simple and effective way to select the correct air filters for practical engineering.
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Affiliation(s)
- Xin Zhang
- School of Resources Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
- School of Environmental and Municipal Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
| | - Hao Sun
- School of Resources Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
| | - Kaipeng Li
- School of Resources Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
| | - Xingxin Nie
- School of Resources Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
| | - Yuesheng Fan
- School of Building Services Science and Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
| | - Huan Wang
- School of Building Services Science and Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
| | - Jingyao Ma
- School of Resources Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China
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Wang J, Lin L, Huang J, Zhang J, Duan J, Guo X, Wu S, Sun Z. Impact of PM 2.5 exposure on plasma metabolome in healthy adults during air pollution waves: A randomized, crossover trial. JOURNAL OF HAZARDOUS MATERIALS 2022; 436:129180. [PMID: 35739713 DOI: 10.1016/j.jhazmat.2022.129180] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 05/08/2022] [Accepted: 05/16/2022] [Indexed: 06/15/2023]
Abstract
Air pollution, especially PM2.5 (particulate matter with an aerodynamic diameter ≤2.5 µm) in China, is severe and related to a variety of diseases while the potential mechanisms have not been clearly clarified yet. This study was conducted using a randomized crossover trial protocol among young and healthy college students. Plasma samples were collected before, during, and post two typical air pollution waves with a washout interval of at least 2 weeks under true and sham air purification treatments, respectively. A total of 144 blood samples from 24 participants were included in the final analysis. Metabolomics analysis for the plasma samples was completed by Ultrahigh Performance Liquid Chromatography-Mass Spectrometry (UPLC-MS). Orthogonal Partial Least Squares Discrimination Analysis (OPLS-DA) and linear mixed-effect models were used to identify the differentially expressed metabolites and their associations with PM2.5 exposure. MetaboAnalyst 5.0 was further used to conduct pathway enrichment analysis and correlation analysis of differentially expressed metabolites. A total of 40 metabolites were identified to be differentially expressed between the true and sham air purification treatments, and eleven metabolites showed consistent significant changes upon outdoor, indoor, and time-weighted personal PM2.5 exposures. Short-term exposure to PM2.5 may cause disturbances in metabolic pathways such as linoleic acid metabolism, arachidonic acid metabolism, and tryptophan metabolism.
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Affiliation(s)
- Jiawei Wang
- Department of Occupational and Environmental Health Sciences, Peking University School of Public Health, Beijing, China
| | - Lisen Lin
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, China, Capital Medical University, Beijing, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, China
| | - Jing Huang
- Department of Occupational and Environmental Health Sciences, Peking University School of Public Health, Beijing, China
| | - Jingyi Zhang
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, China, Capital Medical University, Beijing, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, China
| | - Junchao Duan
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, China, Capital Medical University, Beijing, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, China
| | - Xinbiao Guo
- Department of Occupational and Environmental Health Sciences, Peking University School of Public Health, Beijing, China
| | - Shaowei Wu
- Department of Occupational and Environmental Health, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, China; Key Laboratory for Disease Prevention and Control and Health Promotion of Shaanxi Province, Xi'an, Shaanxi, China; Key Laboratory of Trace Elements and Endemic Diseases in Ministry of Health, Xi'an, Shaanxi, China.
| | - Zhiwei Sun
- Department of Toxicology and Sanitary Chemistry, School of Public Health, Capital Medical University, Beijing, China, Capital Medical University, Beijing, China; Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, Beijing, China.
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Xu Y, Cui W. WITHDRAWN: Health risk assessment and countermeasure analysis of the elderly population exposed to PM2.5 microenvironment. Work 2021:WOR205361. [PMID: 34275922 DOI: 10.3233/wor-205361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Ahead of Print article withdrawn by publisher.
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Affiliation(s)
- Yan Xu
- Department of Economics, Liaoning University, Liaoning, China
| | - Wantian Cui
- Department of Economics, Liaoning University, Liaoning, China
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Li S, Ma X, Xie J, Yan X, Sun W. MicroRNA-206, IL-4, IL-13, and INF-γ levels in lung tissue and plasma are increased by the stimulation of particulate matter with a diameter of ≤2.5μm, and are associated with the poor prognosis of asthma induced pulmonary arterial hypertension patients. Clin Exp Hypertens 2020; 43:181-188. [PMID: 33086901 DOI: 10.1080/10641963.2020.1836192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
BACKGROUND This study aimed to explore the prognostic value of particulate matter with a diameter of ≤2.5 μm (PM2.5)-related microRNA-206 combined with interleukin (IL)-4, IL-13 and interferon-γ (INF-γ) in asthma induced pulmonary arterial hypertension (PAH). METHODS Fifty SPF BALB/c mice were divided into 5 groups: control group, asthma + PAH group, low-toxic asthma + PAH group, moderately-exposed asthma + PAH group, highly-exposed asthma + PAH group. Differences of microRNA-206, IL-4, IL-13, and INF-γ expression in lung tissue and plasma were detected. A total of 98 patients with asthma induced PAH and 98 healthy persons were collected. Patients were followed up for 12 months. RESULTS Based on microarray analyses, we found that microRNA-206 may be involved in asthma induced PAH stimulated by PM2.5. Compared with healthy people, plasma microRNA-206, IL-4, IL-13, and INF-γ levels in asthma induced PAH patients were significantly higher (P< .05). Compared with survivors, plasma microRNA-206, IL-4, IL-13, and INF-γ levels in non-survivors were significantly higher (P< .05). Survival analyses showed that compared with low microRNA-206, low IL-4, low IL-13 and low INF-γ groups, survival rate of patients in high microRNA-206 (χ2 = 4.864, P= .013), high IL-4 (χ2 = 3.774, P= .038), high IL-13 (χ2 = 8.375, P< .001) and high INF-γ groups (χ2 = 9.007, P< .001) were significantly reduced. Established prognostic evaluation model was built and the estimated probability was 0.473. Compared with estimated probability ≤ 0.473, survival rate of patients in estimated probability> 0.473 was significantly reduced (χ2 = 17.377, P< .001). CONCLUSION Current model combining plasma microRNA-206, IL-4, IL-13, and INF-γ has potential significance for prognosis of asthma induced PAH.
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Affiliation(s)
- Shaohua Li
- Department of Respiratory and Critical Care Medical, The Second Hospital of Hebei Medical University , Shijiazhuang, Hebei, China.,Department of Respiratory and Critical Care Medical, The First Hospital of Hebei Medical University , Shijiazhuang, Hebei, China
| | - Xiaoning Ma
- Intensive Care Unit of Shijiazhuang First Hospital, People's Hospital in Shijiazhuang , Shijiazhuang, Hebei, China
| | - Jianli Xie
- Rheumatology and Immunology Department, The Third Hospital of Hebei Medical University , Shijiazhuang, Hebei, China
| | - Xixin Yan
- Department of Respiratory and Critical Care Medical, The Second Hospital of Hebei Medical University , Shijiazhuang, Hebei, China
| | - Wuzhuang Sun
- Department of Respiratory and Critical Care Medical, The First Hospital of Hebei Medical University , Shijiazhuang, Hebei, China
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Liu T, Guo Y, Wang M, Hao X, He S, Zhou R. Design of an air isolation and purification (AIP) desk for medical use and characterization of its efficacy in ambient air isolation and purification. BIOSAFETY AND HEALTH 2020; 2:169-176. [PMID: 32838281 PMCID: PMC7318952 DOI: 10.1016/j.bsheal.2020.06.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Revised: 06/18/2020] [Accepted: 06/22/2020] [Indexed: 01/22/2023] Open
Abstract
The incidences of nosocomial infections (NIs) are increasing throughout the world, especially for those airborne diseases caused by pathogens or air particulates that float in air. In this study, we designed and manufactured a desk for clinic consultation room air purification and air isolation between doctor and patient. The air isolation and purification (AIP) desk has a high efficiency particulate air (HEPA) filter on the tope and several primary efficiency filters on the sides for air purification. The air circulating between inlet and outlet forms a wind-curtain between doctor and patient. The Computational Fluid Dynamics (CFD) model was used to calculate the speed of the air flow and the angle of sampler. We tested the air purification function of the AIP desk in rooms sized about 3.6 × 2.8 × 2.8 m (L × W × H) and found that the AIP desk could significantly remove the tested air pollutants like smoke particulates and microorganisms like Staphylococcus albus (S. albus)and human adenovirus type 5 (HAdV-5). The wind-curtain can significantly block the exhale air of patient being transmitted to the respiratory area of doctor setting in the opposite of AIP desk. Thus, the AIP desk can be used in hospital setting to reduce the risk of NIs and protect both doctors and patients.
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Affiliation(s)
- Tiantian Liu
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou 510310, China
| | - Yubing Guo
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou 510180, China
| | - Mei Wang
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou 510310, China
| | - Xiaotang Hao
- School of Public Health, Guangdong Pharmaceutical University, Guangzhou 510310, China
| | - Shicong He
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou 510180, China
| | - Rong Zhou
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou 510180, China,Corresponding author: No. 195 Dongfeng Xi Road, Yuexiu District, Guangzhou 510180, China
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