Meta‐Analysis of Association between Particulate Matter and Stroke Attack

Li, Xiuyang; Yu, Xiaobo; Liang, Weiwei; Nan, Yuemin; Wang, Li; Ye, Xujun; Chen, Kun; Bian, Pingda

doi:10.1111/j.1755-5949.2012.00325.x

Cited by 29 publications

(23 citation statements)

References 17 publications

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“…Generally, the magnitude of our estimates was comparable with previous findings worldwide. 22 In the Netherlands, for example, Hoek et al reported that a 10 μg/m 3 increase of PM 10 , SO 2 , and NO 2 was associated with 0.4%, 1.3%, and 1.6% increase of stroke mortality, though the associations were significant for SO 2 only. 23 In another study in Seoul, Korea, Hong et al estimated a 0.7% (95% confidence interval, 0.6-0.9) increase in stroke mortality per 10 μg/m 3 of PM 10 .…”

Section: Discussionmentioning

confidence: 99%

Acute Effect of Ambient Air Pollution on Stroke Mortality in the China Air Pollution and Health Effects Study

Chen¹,

Zhang²,

Yang³

et al. 2013

Stroke

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Background and Purpose— There have been no multicity studies on the acute effects of air pollution on stroke mortality in China. This study was undertaken to examine the associations between daily stroke mortality and outdoor air pollution (particulate matter <10 μm in aerodynamic diameter, sulfur dioxide, and nitrogen dioxide) in 8 Chinese cities. Methods— We used Poisson regression models with natural spline-smoothing functions to adjust for long-term and seasonal trends, as well as other time-varying covariates. We applied 2-stage Bayesian hierarchical statistical models to estimate city-specific and national average associations of air pollution with daily stroke mortality. Results— Air pollution was associated with daily stroke mortality in 8 Chinese cities. In the combined analysis, an increase of 10 μg/m 3 of 2-day moving average concentrations of particulate matter <10 μm in aerodynamic diameter, sulfur dioxide, and nitrogen dioxide corresponded to 0.54% (95% posterior intervals, 0.28–0.81), 0.88% (95% posterior intervals, 0.54–1.22), and 1.47% (95% posterior intervals, 0.88–2.06) increase of stroke mortality, respectively. The concentration–response curves indicated linear nonthreshold associations between air pollution and risk of stroke mortality. Conclusions— To our knowledge, this is the first multicity study in China, or even in other developing countries, to report the acute effect of air pollution on stroke mortality. Our results contribute to very limited data on the effect of air pollution on stroke for high-exposure settings typical in developing countries.

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Section: Discussionmentioning

confidence: 99%

Acute Effect of Ambient Air Pollution on Stroke Mortality in the China Air Pollution and Health Effects Study

Chen¹,

Zhang²,

Yang³

et al. 2013

Stroke

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“…12–19 The literature yields few systematic reviews and meta-analyses of PM 2.5 -related strokes in particular. This study is distinct from recently published meta-analyses in 2 ways: first, it uses a novel statistical approach and second, it is designed to directly inform air pollution risk assessments.…”

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confidence: 99%

Outdoor Fine Particles and Nonfatal Strokes

et al. 2014

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“… 18 Another meta-analysis showed that fine particulate matter ≤10 µm (PM10) and PM2.5 concentrations increased the risk of stroke and heart attack. 19 A review article found that several groups, including elderly subjects, patients with diabetes mellitus and patients with coronary artery disease, appeared to be particularly sensitive to the harmful effects that resulted from exposure to particulate matter. 20 Strong relationships between myocardial infarction and/or stroke were found in nine of 14 studies related to PM10 and in two of five studies related to PM2.5.…”

Section: Introductionmentioning

confidence: 99%

Assessment of associations between ischaemic attacks in patients with type 2 diabetes mellitus and air concentrations of particulate matter <2.5 μm

Hoshino

Hoshino²,

Nishino

2016

J Int Med Res

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ObjectiveTo investigate the relationship between air concentrations of fine particulate matter <2.5 µm in diameter (PM2.5) and ischaemic attacks in high-risk elderly patients (aged ≥60 years).MethodsThis retrospective data analysis study extracted clinical data from an electronic medical chart system and environmental air quality data from the Ministry of the Environment Atmospheric Environmental Regional Observation System. Patients were stratified into four groups according to whether or not they had type 2 diabetes mellitus (T2DM) and/or an ischaemic attack (i.e. cerebral infarctions and myocardial infarctions) during the 2-year study period. Analysis of the combined clinical and environmental data produced the odds ratio for the likelihood of experiencing an ischaemic attack.ResultsClinical data were collected from 94 647 patients. On days when the air temperature was ≥25℃ and PM2.5 concentration was ≥20µg/m3, an ischaemic attack was more likely to occur in the T2DM group than in the group without T2DM. An ischaemic attack was more likely to occur 2 days after an increase in the PM2.5 concentration compared with the same day as and 3–6 days after the increase.ConclusionThe results of this study confirmed an association between PM2.5 and ischaemic attacks in high-risk patients.

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Meta‐Analysis of Association between Particulate Matter and Stroke Attack

Abstract: We found some evidence for an effect of air pollutants on stroke attack risk.

Cited by 29 publications

References 17 publications

Acute Effect of Ambient Air Pollution on Stroke Mortality in the China Air Pollution and Health Effects Study

Acute Effect of Ambient Air Pollution on Stroke Mortality in the China Air Pollution and Health Effects Study

Outdoor Fine Particles and Nonfatal Strokes

Assessment of associations between ischaemic attacks in patients with type 2 diabetes mellitus and air concentrations of particulate matter <2.5 μm

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