Long-term air pollution exposure and risk factors for cardiovascular diseases among the elderly in Taiwan

Kai Jen Chuang, Yuan Horng Yan, Shu Yi Chiu, Tsun Jen Cheng

Research output: Contribution to journalArticle

138 Citations (Scopus)

Abstract

Objectives: To investigate changes in blood pressure, blood lipids, blood sugar and haematological markers of inflammation associated with changes in long-term exposure to ambient air pollutants. Methods: We conducted secondary analyses of data on blood pressure and blood biochemistry markers from the Social Environment and Biomarkers of Aging Study in Taiwan and air pollution data from the Taiwan Environmental Protection Administration in 2000. Associations of 1-year averaged criteria air pollutants (particulate matter with aerodynamic diameters 10) and 2.5), ozone (O 3), nitrogen dioxide (NO 2), sulfur dioxide and carbon monoxide) with systolic blood pressure, diastolic blood pressure, total cholesterol, triglycerides, high-density lipoprotein cholesterol, fasting glucose, haemoglobin A1c (HbA1c), interleukin 6 (IL-6) and neutrophils were explored by applying generalised additive models. Results: After controlling for potential confounders, we observed that increased 1-year averaged particulate air pollutants (PM 10 and PM 2.5) and NO 2 were associated with elevated blood pressure, total cholesterol, fasting glucose, HbA1c, IL-6 and neutrophils. Associations of increased 1-year averaged O 3 with elevated blood pressure, total cholesterol, fasting glucose, HbA1c and neutrophils were also observed. In particular, our two-pollutant models showed that PM 2.5 was more significantly associated with end-point variables than two gaseous pollutants, O 3 and NO 2. Conclusions: Changes in blood pressure, blood lipids, blood sugar and haematological markers of inflammation are associated with long-term exposure to ambient air pollutants. This might provide a link between air pollution and atherosclerotic cardiovascular diseases.

Original languageEnglish
Pages (from-to)64-68
Number of pages5
JournalOccupational and Environmental Medicine
Volume68
Issue number1
DOIs
Publication statusPublished - Jan 2011
Externally publishedYes

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Air Pollution
Taiwan
Cardiovascular Diseases
Blood Pressure
Air Pollutants
Fasting
Hemoglobins
Neutrophils
Particulate Matter
Cholesterol
Glucose
Blood Glucose
Interleukin-6
Inflammation
Lipids
Nitrogen Dioxide
Sulfur Dioxide
Social Environment
Ozone
Conservation of Natural Resources

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

Cite this

Long-term air pollution exposure and risk factors for cardiovascular diseases among the elderly in Taiwan. / Chuang, Kai Jen; Yan, Yuan Horng; Chiu, Shu Yi; Cheng, Tsun Jen.

In: Occupational and Environmental Medicine, Vol. 68, No. 1, 01.2011, p. 64-68.

Research output: Contribution to journalArticle

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