Air pollution exposure associates with increased risk of neonatal jaundice

Liqiang Zhang (), Weiwei Liu, Kun Hou, Jintai Lin (), Changqing Song (), Chenghu Zhou (), Bo Huang, Xiaohua Tong, Jinfeng Wang, William Rhine, Ying Jiao, Ziwei Wang, Ruijing Ni, Mengyao Liu, Liang Zhang, Ziye Wang, Yuebin Wang, Xingang Li, Suhong Liu and Yanhong Wang
Additional contact information
Liqiang Zhang: Beijing Normal University
Weiwei Liu: Capital Medical University
Kun Hou: Beijing Normal University
Jintai Lin: Peking University
Changqing Song: Beijing Normal University
Chenghu Zhou: Chinese Academy of Sciences
Bo Huang: The Chinese University of Hong Kong
Xiaohua Tong: Tongji University
Jinfeng Wang: Chinese Academy of Sciences
William Rhine: Lucile Packard Children’s Hospital Stanford University School of Medicine
Ying Jiao: Capital Medical University
Ziwei Wang: Peking University
Ruijing Ni: Peking University
Mengyao Liu: Peking University
Liang Zhang: Beijing Normal University
Ziye Wang: Beijing Normal University
Yuebin Wang: Beijing Normal University
Xingang Li: Beijing Normal University
Suhong Liu: Beijing Normal University
Yanhong Wang: Capital Medical University

Nature Communications, 2019, vol. 10, issue 1, 1-9

Abstract: Abstract Clinical experience suggests increased incidences of neonatal jaundice when air quality worsens, yet no studies have quantified this relationship. Here we reports investigations in 25,782 newborns showing an increase in newborn’s bilirubin levels, the indicator of neonatal jaundice risk, by 0.076 (95% CI: 0.027–0.125), 0.029 (0.014–0.044) and 0.009 (95% CI: 0.002–0.016) mg/dL per μg/m3 for PM2.5 exposure in the concentration ranges of 10–35, 35–75 and 75–200 μg/m3, respectively. The response is 0.094 (0.077–0.111) and 0.161 (0.07–0.252) mg/dL per μg/m3 for SO2 exposure at 10–15 and above 15 μg/m3, respectively, and 0.351 (0.314–0.388) mg/dL per mg/m3 for CO exposure. Bilirubin levels increase linearly with exposure time between 0 and 48 h. Positive relationship between maternal exposure and newborn bilirubin level is also quantitated. The jaundice−pollution relationship is not affected by top-of-atmosphere incident solar irradiance and atmospheric visibility. Improving air quality may therefore be key to lowering the neonatal jaundice risk.

Date: 2019
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DOI: 10.1038/s41467-019-11387-3

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