A global perspective on sulfur oxide controls in coal-fired power plants and cardiovascular disease

Cheng Kuan Lin, Ro Ting Lin, Pi Cheng Chen, Pu Wang, Nathalie De Marcellis-Warin, Corwin Zigler, David C. Christiani

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

Sulfur oxides (SOx), particularly SO2 emitted by coal-fired power plants, produce long-term risks for cardiovascular disease (CVD). We estimated the relative risks of CVD and ischemic heart disease (IHD) attributable to SOx emission globally. National SOx reduction achieved by emissions control systems was defined as the average SOx reduction percentage weighted by generating capacities of individual plants in a country. We analyzed the relative risk of CVD incidence associated with national SOx reduction for 13,581 coal-fired power-generating units in 79 countries. A 10% decrease in SOx emission was associated with 0.28% (males; 95%CI = -0.39%∼0.95%) and 1.69% (females; 95%CI = 0.99%∼2.38%) lower CVD risk. The effects on IHD were > 2 times stronger among males than females (2.78%, 95%CI = 1.99%∼3.57% vs. 1.18%, 95%CI = 0.19%∼2.17%). Further, 1.43% (males) and 8.00% (females) of CVD cases were attributable to suboptimal SOx reduction. Thus, enhancing regulations on SOx emission control represents a target for national and international intervention to prevent CVD.

Original languageEnglish
Article number2611
JournalScientific reports
Volume8
Issue number1
DOIs
Publication statusPublished - 2018 Dec 1

All Science Journal Classification (ASJC) codes

  • General

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