ERS/ATS workshop report on respiratory health effects of household air pollution

Akshay Sood, Nour A. Assad, Peter J. Barnes, Andrew Churg, Stephen B. Gordon, Kevin S. Harrod, Hammad Irshad, Om P. Kurmi, William J. Martin, Paula Meek, Kevin Mortimer, Curtis W. Noonan, Rogelio Perez-Padilla, Kirk R. Smith, Yohannes Tesfaigzi, Tony Ward, John Balmes

Research output: Contribution to journalArticlepeer-review

73 Scopus citations

Abstract

Exposure to household air pollution (HAP) from solid fuel combustion affects almost half of the world population. Adverse respiratory outcomes such as respiratory infections, impaired lung growth and chronic obstructive pulmonary disease have been linked to HAP exposure. Solid fuel smoke is a heterogeneous mixture of various gases and particulates. Cell culture and animal studies with controlled exposure conditions and genetic homogeneity provide important insights into HAP mechanisms. Impaired bacterial phagocytosis in exposed human alveolar macrophages possibly mediates several HAP-related health effects. Lung pathological findings in HAP-exposed individuals demonstrate greater small airways fibrosis and less emphysema compared with cigarette smokers. Field studies using questionnaires, air pollution monitoring and/or biomarkers are needed to better establish human risks. Some, but not all, studies suggest that improving cookstove efficiency or venting emissions may be associated with reduced respiratory symptoms, lung function decline in women and severe pneumonia in children. Current studies focus on fuel switching, stove technology replacements or upgrades and air filter devices. Several governments have initiated major programmes to accelerate the upgrade from solid fuels to clean fuels, particularly liquid petroleum gas, which provides research opportunities for the respiratory health community.

Original languageEnglish
Article number1700698
JournalEuropean Respiratory Journal
Volume51
Issue number1
DOIs
StatePublished - Jan 1 2018

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