Long-term impact of the 2014 Hazelwood coal mine fire on emergency department presentations in Australia*

被引:7
|
作者
Smith, Catherine L. [1 ]
Gao, Caroline X. [1 ,2 ,3 ]
Xu, Rongbin [1 ]
Ikin, Jillian F. [1 ]
Dimitriadis, Christina [1 ]
Carroll, Matthew T. C. [4 ]
Sim, Malcolm R. [1 ]
Stub, Dion [1 ,5 ,6 ]
Lane, Tyler J. [1 ]
Abramson, Michael J. [1 ]
Guo, Yuming [1 ,7 ]
机构
[1] Monash Univ, Sch Publ Hlth & Prevent Med, 553 St Kilda Rd, Melbourne, Vic 3004, Australia
[2] Univ Melbourne, Ctr Youth Mental Hlth, Parkville, Vic 3052, Australia
[3] Orygen, Parkville, Vic 3052, Australia
[4] Monash Univ, Monash Rural Hlth Churchill, Northways Rd, Churchill, Vic 3842, Australia
[5] Alfred Hosp, Dept Cardiol, Melbourne, Vic 3004, Australia
[6] Baker Inst, Melbourne, Vic 3004, Australia
[7] Monash Univ, Sch Publ Hlth & Prevent Med, Level 2,553 St Kilda Rd, Melbourne, Vic 3004, Australia
关键词
Coal; Wildfires; Smoke; Particulate matter; Longitudinal studies; Data linkage; Emergency department; Survival analysis; FINE PARTICULATE MATTER; TIME-SERIES ANALYSIS; AIR-POLLUTION;
D O I
10.1016/j.envres.2023.115440
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Background: In 2014, wildfires ignited a coal mine in Australia, burning for 6 weeks, releasing large amounts of fine particulate matter <= 2.5 mu m in diameter (PM2.5). We investigated the association between individual PM2.5 exposure and emergency department presentations (EDPs) within 5 years post-fire.Methods: Survey and exposure data for 2725 residents from an exposed and unexposed town were linked with ED administrative data from 2009 to 2019. The association between individual PM2.5 and EDPs was assessed using recurrent survival analysis.Results: A 10 mu g/m3 increase in PM2.5 was associated with a 10% increase in respiratory EDPs (HR = 1.10; 95% CI:1.00-1.22) over 5 years post-fire. Increased risks of EDPs for ischaemic heart disease (HR = 1.39; 95% CI:1.12-1.73), atherothrombotic disease (HR = 1.27; 95%CI:1.08-1.50), and cardiovascular disease (HR = 1.10, 95%CI:0.99-1.22) were evident within 2.5 years.Conclusion: PM2.5 exposure from a 6-week mine fire increased the 5-year risk of respiratory conditions. An increased risk of CVD within 2.5 years post-fire subsided after this time.
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页数:4
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