Susceptibility to ambient particulate matter on emergency care utilization for ischemic heart disease in Seoul, Korea

Jungwoo Sohn, Seng Chan You, Jaelim Cho, Yoon Jung Choi, Boyoung Joung, Changsoo Kim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Many epidemiological studies have reported associations between ambient particulate matter (PM) and cardiovascular diseases. However, the effects associated with PM that promote cardiovascular events among susceptible populations who may respond differently than the general population to the same ambient air pollutants remain unclear. We conducted a time-series study with generalized additive models to assess the association between ambient PM10 and emergency department (ED) visits for ischemic heart disease (IHD) in Seoul, Republic of Korea from 2005 to 2009. The ED data and previous medical records within the 5 years of each IHD event to examine the effect of PM10 in a susceptible population were obtained from Health Insurance Review and Assessment Service. Overall, the adjusted relative risks (RRs) of ED visits for IHD were not statistically significant for PM10, but significant positive RRs were found for groups with hypertension (1.018; 95 % confidence interval [CI] 1.002–1.035) and those who are ≥80 years of age (1.019; 1.002–1.037) for same-day exposure and with diabetes (1.019; 1.002–1.037) for single-lag models. Subgroup analyses revealed gender differences in ED visits for IHD in hypertensive patients and those who are ≥80 years of age; positive correlations were found only in males with the lag models. Our study suggests that ambient PM10 is significantly associated with ED visits for IHD, especially in males with hypertension, diabetes mellitus, or who are aged ≥80 years. Identification of populations susceptible to air pollution is of paramount importance to establishing recommendations or guidelines for high-risk individuals.

Original languageEnglish
Pages (from-to)19432-19439
Number of pages8
JournalEnvironmental Science and Pollution Research
Volume23
Issue number19
DOIs
Publication statusPublished - 2016 Oct 1

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Particulate Matter
cardiovascular disease
Emergency Medical Services
Korea
Myocardial Ischemia
Hospital Emergency Service
particulate matter
hypertension
diabetes
Population
Medical problems
Hypertension
Air Pollutants
Republic of Korea
Health insurance
Air Pollution
health insurance
Health Insurance
Medical Records
Epidemiologic Studies

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Pollution
  • Health, Toxicology and Mutagenesis

Cite this

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title = "Susceptibility to ambient particulate matter on emergency care utilization for ischemic heart disease in Seoul, Korea",
abstract = "Many epidemiological studies have reported associations between ambient particulate matter (PM) and cardiovascular diseases. However, the effects associated with PM that promote cardiovascular events among susceptible populations who may respond differently than the general population to the same ambient air pollutants remain unclear. We conducted a time-series study with generalized additive models to assess the association between ambient PM10 and emergency department (ED) visits for ischemic heart disease (IHD) in Seoul, Republic of Korea from 2005 to 2009. The ED data and previous medical records within the 5 years of each IHD event to examine the effect of PM10 in a susceptible population were obtained from Health Insurance Review and Assessment Service. Overall, the adjusted relative risks (RRs) of ED visits for IHD were not statistically significant for PM10, but significant positive RRs were found for groups with hypertension (1.018; 95 {\%} confidence interval [CI] 1.002–1.035) and those who are ≥80 years of age (1.019; 1.002–1.037) for same-day exposure and with diabetes (1.019; 1.002–1.037) for single-lag models. Subgroup analyses revealed gender differences in ED visits for IHD in hypertensive patients and those who are ≥80 years of age; positive correlations were found only in males with the lag models. Our study suggests that ambient PM10 is significantly associated with ED visits for IHD, especially in males with hypertension, diabetes mellitus, or who are aged ≥80 years. Identification of populations susceptible to air pollution is of paramount importance to establishing recommendations or guidelines for high-risk individuals.",
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Susceptibility to ambient particulate matter on emergency care utilization for ischemic heart disease in Seoul, Korea. / Sohn, Jungwoo; You, Seng Chan; Cho, Jaelim; Choi, Yoon Jung; Joung, Boyoung; Kim, Changsoo.

In: Environmental Science and Pollution Research, Vol. 23, No. 19, 01.10.2016, p. 19432-19439.

Research output: Contribution to journalArticle

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AU - Sohn, Jungwoo

AU - You, Seng Chan

AU - Cho, Jaelim

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AU - Joung, Boyoung

AU - Kim, Changsoo

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