Gaseous air pollution and acute myocardial infarction mortality in Hong Kong: A time-stratified case-crossover study
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AbstractAcute myocardial infarction (AN) is a common disease with serious consequences in mortality and morbidity. An association between gaseous air pollution and AMI has been suggested, but the epidemiological evidence is still limited. For the study period 1998-2010, daily counts of AMI deaths were collected, as well as daily air pollution data including concentrations of particulates (PM10), nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O-3) and carbon monoxide (CO) were also obtained. The associations between gaseous air pollutants and AMI mortality were estimated using time-stratified case-crossover analyses. NO2 and SO2 were found to be significantly associated with increased AMI mortality. The odds ratios (ORs) were 1.0455 (95% confidence interval (CI): 1.017-1.0748) and 1.0256 (95% Cl: 1.0027-1.0489) for an interquartile range (IQR) increase in the current day's NO2 and SO2 concentration, respectively, and this association persisted in 2-pollutant models; and no association was observed for CO and O-3. It is likely that exposure to elevated ambient NO2 and SO2 air pollution contributed to increased AMI mortality. (C) 2012 Elsevier Ltd. All rights reserved.
All Author(s) ListLin HL, An QZ, Luo C, Pun VC, Chan CS, Tian LW
Journal nameAtmospheric Environment
Volume Number76
Pages68 - 73
LanguagesEnglish-United Kingdom
KeywordsAcute myocardial infarction; Case-crossover; Gaseous air pollution; Mortality
Web of Science Subject CategoriesEnvironmental Sciences; ENVIRONMENTAL SCIENCES; Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences; METEOROLOGY & ATMOSPHERIC SCIENCES

Last updated on 2021-02-03 at 01:21