Association between Asian dust exposure and respiratory function in children with bronchial asthma in Nagasaki Prefecture, Japan

Environmental Health and Preventive Medicine
Takahiro NakamuraMasahiro Hashizume

Abstract

Studies on the adverse effects of Asian dust (AD) on respiratory function in children are scarce. The objective of this study was to examine the association between AD and respiratory function by measuring peak expiratory flow rates (PEFRs) in asthmatic children. The study was carried out from March to May from 2014 through 2016. One hundred ten children with bronchial asthma were recruited from four hospitals in the Goto Islands and south Nagasaki area in Nagasaki prefecture. The parents were asked to record their children's PEFRs every morning/evening and clinical symptoms in an asthma diary. AD was assessed from light detection and ranging data, and a linear mixed-effects model was used to estimate the effects of AD on daily PEFR. Time-stratified case-crossover analyses were performed to examine the association between AD and asthma attacks defined by reduction levels in PEFR. AD was detected on 11 days in the Goto Islands, and on 23 days in the south Nagasaki area. After adjusting for age, sex, temperature, and daily oxidants, we found a consistent association between AD and a 1.1% to 1.7% decrease in PEFR in the mornings and a 0.7% to 1.3% decrease in the evenings at a lag of 0 to 5 days. AD was not associated with the num...Continue Reading

References

Oct 26, 2007·Environmental Research·Chang-Chuan ChanChi-Ming Peng
Jan 30, 2008·Archives of Environmental Contamination and Toxicology·T IchinoseT Shibamoto
Aug 11, 2009·Current Opinion in Pediatrics·Molini M Patel, Rachel L Miller
Nov 27, 2009·The Science of the Total Environment·Yun-Chul HongHo Kim
May 29, 2010·Nihon eiseigaku zasshi. Japanese journal of hygiene·Masahiro HashizumeDaisuke Onozuka
Mar 25, 2011·Environmental Health and Preventive Medicine·Kayo UedaHiroshi Odajima
Oct 18, 2014·American Journal of Epidemiology·Lyndsey A DarrowMatthew J Strickland
Mar 24, 2015·Journal of Epidemiology·Takahiro NakamuraYuji Nishiwaki
Nov 4, 2017·International Journal of Environmental Research and Public Health·Troy Sternberg, Mona Edwards
Nov 23, 2017·Environmental Health and Preventive Medicine·Yoshiko YodaMasayuki Shima

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Citations

Aug 21, 2020·Journal of Toxicology and Environmental Health. Part a·Mengyue ShenYasuhiro Yoshida
Sep 6, 2020·The Science of the Total Environment·Hideki HasunumaHiroshi Odajima

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