期刊
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
卷 19, 期 16, 页码 -出版社
MDPI
DOI: 10.3390/ijerph191610305
关键词
fine particulate matter; chronic liver disease; meta-analysis
资金
- Jiangsu Province Science Foundation for Youths [BK20200366]
- Startup Foundation for Introducing Talent of NUIST [2020r088]
This meta-analysis study reviewed epidemiological studies to strengthen the evidence for the association between PM2.5 and chronic liver disease. The results showed that long-term exposure to PM2.5 was associated with an increased risk of chronic liver disease, particularly liver cancer, liver cirrhosis, and fatty liver disease.
Although fine particulate matter (PM2.5) is a known carcinogen, evidence of the association between PM2.5 and chronic liver disease is controversial. In the present meta-analysis study, we reviewed epidemiological studies to strengthen evidence for the association between PM2.5 and chronic liver disease. We searched three online databases from 1990 up to 2022. The random-effect model was applied for detection of overall risk estimates. Sixteen eligible studies, including one cross-sectional study, one retrospective cohort study, and 14 prospective cohort studies, fulfilled inclusion criteria with more than 330 thousand participants from 13 countries. Overall risk estimates of chronic liver disease for 10 mu g/m(3) increase in PM2.5 was 1.27 (95% confidence interval (CI): 1.19-1.35, p < 0.001). We further analyzed the relationship between PM2.5 exposure and different chronic liver diseases. The results showed that increments in PM2.5 exposure significantly increased the risk of liver cancer, liver cirrhosis, and fatty liver disease (hazard ratio (HR) = 1.23, 95% CI: 1.14-1.33; HR = 1.17, 95% CI: 1.06-1.29; HR = 1.51, 95% CI: 1.09-2.08, respectively). Our meta-analysis indicated long-term exposure to PM2.5 was associated with increased risk of chronic liver disease. Moreover, future researches should be focused on investigating subtypes of chronic liver diseases and specific components of PM2.5.
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