Does Particulate Matter Modify the Short-Term Association between Heat Waves and Hospital Admissions for Cardiovascular Diseases in Greater Sydney, Australia?

Marissa Parry, Donna Green, Ying Zhang and Andrew Hayen
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Marissa Parry: Climate Change Research Centre, University of New South Wales, Sydney, NSW 2052, Australia
Donna Green: Climate Change Research Centre, University of New South Wales, Sydney, NSW 2052, Australia
Ying Zhang: School of Public Health, University of Sydney, Sydney, NSW 2006, Australia
Andrew Hayen: Faculty of Health, University of Technology Sydney, Sydney, NSW 2007, Australia

IJERPH, 2019, vol. 16, issue 18, 1-16

Abstract: Little is known about the potential interactive effects of heat waves and ambient particulate matter on cardiovascular morbidity. A time-stratified case-crossover design was used to examine whether particulate matter (PM 10 ) modifies the association between heat waves and emergency hospital admissions for six cardiovascular diseases in Greater Sydney, Australia during the warm season for 2001–2013. We estimated and compared the effect of heat waves on high- and low-level PM 10 days at lag 0 –lag 2 , adjusting for dew-point temperature, ambient ozone, ambient nitrogen dioxide, and public holidays. We also investigated the susceptibility of both younger (0–64 years) and older populations (65 years and above), and tested the sensitivity of three heat wave definitions. Stronger heat wave effects were observed on high- compared to low-level PM 10 days for emergency hospital admissions for cardiac arrest for all ages combined, 0–64 years and 65 years and above; conduction disorders for 0–64 years; and hypertensive diseases for all ages combined and 0–64 years. Overall, we found some evidence to suggest that PM 10 may modify the association between heat waves and hospital admissions for certain cardiovascular diseases, although our findings largely differed across disease, age group, lag, and heat wave definition.

Keywords: heat waves; particulate matter; Sydney; Australia; hospital admissions; cardiovascular disease (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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