Short-term effects of atmospheric particulate matter on myocardial infarction: a cumulative meta-analysis

Cai, X., Li, Z., Scott, E. M. , Li, X. and Tang, M. (2016) Short-term effects of atmospheric particulate matter on myocardial infarction: a cumulative meta-analysis. Environmental Science and Pollution Research, 7, pp. 6139-6148. (doi:10.1007/s11356-016-6186-3) (PMID:26846245)

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Abstract

Atmospheric particulate matter (PM) is hypothesized to increase the risk of myocardial infarction (MI). However, the epidemiological evidence is inconsistent. We identified 33 studies with more than 4 million MI patients and applied meta-analysis and meta-regression to assess the available evidence. Twenty-five studies presented the effects of the PM level on hospitalization for MI patients, while eight studies showed the effects on mortality. An increase in PM10 was associated with hospitalization and mortality in myocardial infarction patients (RR per 10 μg/m3 = 1.011, 95 % CI 1.006–1.016; RR per 10 μg/m3 = 1.008, 95 % CI 1.004–1.012, respectively); PM2.5 also increased the risk of hospitalization and mortality in MI patients (RR per 10 μg/m3 = 1.024, 95 % CI 1.007–1.041 for hospitalization and RR per 10 μg/m3 = 1.012, 95 % CI 1.010–1.015 for mortality). The results of the cumulative meta-analysis indicated that PM10 and PM2.5 were associated with myocardial infarctionwith the addition of new studies each year. In conclusion, short-term exposure to high PM10 and PM2.5 levels revealed to increase risk of hospitalization and mortality for myocardial infarction. Policy support of pollution control and individual protection was strongly recommended.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Li, Dr Zhenhong and Scott, Professor E Marian
Authors: Cai, X., Li, Z., Scott, E. M., Li, X., and Tang, M.
College/School:College of Science and Engineering > School of Geographical and Earth Sciences
College of Science and Engineering > School of Mathematics and Statistics > Statistics
Journal Name:Environmental Science and Pollution Research
Publisher:23
ISSN:0944-1344
ISSN (Online):1614-7499

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