Effects of gas and other fume emitting heaters on the development of asthma during childhood

Thorax
L L PhoaG B Marks

Abstract

Several studies have shown adverse effects of gas cookers and heaters on respiratory health. The long term effects of early life exposure to these appliances are not known. This study investigated the effect of exposure to fume emitting heaters, currently and during the first year of life, on the risk of asthma outcomes. A cross sectional study of schoolchildren (n = 627) aged 8-11 years was conducted in Belmont, Australia. Information on symptoms and heating types was collected by parent completed questionnaire. Atopy was assessed by skin prick tests and airway hyperresponsiveness (AHR) was assessed by histamine challenge test. There was no association between the current use of fume emitting heaters and any of the asthma outcomes. However, having been exposed to fume emitting heaters during the first year of life was associated with an increased risk of having AHR (relative risk (RR) 1.47, 95% confidence interval (CI) 1.06 to 2.03), recent wheeze (RR 1.44, 95% CI 1.11 to 1.86), and recent wheeze + AHR (RR 2.08, 95% CI 1.31 to 3.31). If confirmed in other settings, this finding would require a review of the range of heating types that are appropriate for use in households in which young children live.

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Citations

Sep 25, 2008·BMJ : British Medical Journal·Philippa Howden-ChapmanJulian Crane
Aug 22, 2013·International Journal of Epidemiology·Weiwei LinUlrike Gehring
Nov 3, 2010·The Journal of Asthma : Official Journal of the Association for the Care of Asthma·Ahmet U DemirA Fuat Kalyoncu
Jun 24, 2008·Immunology and Allergy Clinics of North America·Kathleen Belanger, Elizabeth W Triche
Nov 17, 2007·Paediatric Respiratory Reviews·Peter J Franklin
Oct 30, 2007·Allergology International : Official Journal of the Japanese Society of Allergology·Keiko TanakaChikako Kiyohara

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