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Li Y, Yuan X, Wei J, Sun Y, Ni W, Zhang H, Zhang Y, Wang R, Xu R, Liu T, Yang C, Chen G, Xu J, Liu Y. Long-term exposure to ambient air pollution and serum liver enzymes in older adults: a population-based longitudinal study. Ann Epidemiol 2022; 74:1-7. [PMID: 35680103 DOI: 10.1016/j.annepidem.2022.05.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 05/29/2022] [Accepted: 05/31/2022] [Indexed: 11/01/2022]
Abstract
PURPOSE To investigate the association of long-term exposure to ambient air pollution with serum liver enzymes in older adults. METHODS In this longitudinal study, we investigated 318,911 adults aged ≥65 years and assessed their long-term residential exposure to particulate matter with an aerodynamic diameter ≤2.5 µm (PM2.5), particulate matter with an aerodynamic diameter ≤10 µm (PM10), sulfur dioxide (SO2), nitrogen dioxide (NO2), carbon monoxide (CO), and ozone (O3). Linear mixed models and generalized linear mixed models were implemented for exposure-response analyses. RESULTS Each interquartile range (IQR) increase of PM2.5, PM10, SO2, NO2, CO, and O3 exposures was significantly associated with a 4.6%, 4.6%, 5.6%, 4.6%, 6.2%, and 3.6% increase in alanine aminotransferase (ALT), and a 4.6%, 5.2%, 3.6%, 3.3%, 6.1%, and 4.0% increase in aspartate aminotransferase (AST), respectively. Each IQR increase of PM2.5, PM10, SO2, NO2, CO, and O3 exposures was significantly associated with a 23%, 24%, 28%, 17%, 31%, and 19% increase in odds of elevated ALT (>40 U/L), and a 32%, 39%, 40%, 32%, 57%, and 25% increase in odds of elevated AST (>40 U/L), respectively. CONCLUSIONS Long-term exposure to ambient air pollution was significantly associated with increased serum liver enzyme levels in older adults, suggesting that air pollution exposures may induce hepatocellular injury.
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Key Words
- AST, aspartate aminotransferase
- Alanine aminotransferase
- Ambient air pollution
- Aspartate aminotransferase
- BMI, body mass index
- CHAP, ChinaHighAirPollutants
- CI, confidence interval
- CO, carbon monoxide
- FBG, fasting blood glucose
- HDL-C, high-density lipoprotein cholesterol
- IQR, interquartile range
- LDL-C, low-density lipoprotein cholesterol
- Liver enzymes
- NO(2), nitrogen dioxide
- O(3), ozone
- OR, odds ratio
- Older adults Abbreviations: ALT, alanine aminotransferase
- PM(10), particulate matter with an aerodynamic diameter ≤10 µm
- PM(2.5), particulate matter with an aerodynamic diameter ≤2.5 µm
- SD, standardized deviation
- SO(2), sulfur dioxide
- TC, total cholesterol
- TG, triglyceride
- WC, waist circumference
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Affiliation(s)
- Yingxin Li
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong 510080, China.
| | - Xueli Yuan
- Shenzhen Center for Chronic Disease Control, Shenzhen, Guangdong 518020, China
| | - Jing Wei
- Department of Chemical and Biochemical Engineering, Iowa Technology Institute, and Center for Global and Regional Environmental Research, The University of Iowa, Iowa City, IA 52242, USA
| | - Yuanying Sun
- Shenzhen Center for Chronic Disease Control, Shenzhen, Guangdong 518020, China
| | - Wenqing Ni
- Shenzhen Center for Chronic Disease Control, Shenzhen, Guangdong 518020, China
| | - Hongmin Zhang
- Shenzhen Center for Chronic Disease Control, Shenzhen, Guangdong 518020, China
| | - Yan Zhang
- Shenzhen Center for Chronic Disease Control, Shenzhen, Guangdong 518020, China
| | - Rui Wang
- Luohu Center for Chronic Disease Control, Shenzhen, Guangdong 518000, China
| | - Ruijun Xu
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Tingting Liu
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Chunyu Yang
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Gongbo Chen
- Department of Occupational and Environmental Health, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
| | - Jian Xu
- Shenzhen Center for Chronic Disease Control, Shenzhen, Guangdong 518020, China.
| | - Yuewei Liu
- Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong 510080, China
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