Short-term effects of outdoor air pollution on acute ischaemic stroke occurrence: A case-crossover study in Tianjin, China

Xuemei Qi, Zhongyan Wang, Xiaokun Guo, Xiaoshuang Xia, Juanjuan Xue, Guojing Jiang, Yumeng Gu, Suqin Han, Qing Yao, Ziying Cai, Xiaojia Wang, Lin Wang, Sean X. Leng, Xin Li

Research output: Contribution to journalArticlepeer-review

Abstract

The relationship between ambient air pollutant exposures and acute ischaemic stroke was evaluated based on the timing of symptom onset. A time-stratified, case-crossover analysis was conducted among 520 patients who had ischaemic stroke admitted to the Second Hospital of Tianjin Medical University (Tianjin, China) between 4/1/2018 and 3/31/2019. Daily air pollutant concentrations of PM2.5, PM10, SO2, NO10, CO, and O3were obtained from fixed-site monitoring stations. Overall, a higher risk of ischaemic stroke was found between April and September. During this period PM10 was associated with an increased risk of ischaemic stroke among patients between 34 and 70 yearsr old. Positive associations were observed between PM10, O3, and ischaemic stroke occurrence among those with hyperlipidaemia.

Original languageEnglish (US)
Pages (from-to)862-867
Number of pages6
JournalOccupational and Environmental Medicine
Volume77
Issue number12
DOIs
StatePublished - Dec 1 2020

Keywords

  • air pollution
  • environment

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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