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Can air purifier promote the indoor cleanliness and improve the patients with asthma?

Takao Miyoshi, Wakaba Furuie, Yoshio Otani, Chihiro Tani, Marika Waku, Fumika Koike, Yasunari Miyazaki, Naohiko Inase, Tetsuo Sasano, Miho Akaza, Tetsuo Kubota, Yuki Sumi
European Respiratory Journal 2018 52: PA1691; DOI: 10.1183/13993003.congress-2018.PA1691
Takao Miyoshi
1Biofunctional Informatics, Tokyo Medical and Dental University., Tokyo, Japan
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Wakaba Furuie
1Biofunctional Informatics, Tokyo Medical and Dental University., Tokyo, Japan
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Yoshio Otani
2Ikebukuro Otani-clinic, Tokyo, Japan
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Chihiro Tani
3Section of Microbiology and Immunology, Tokyo Medical and Dental University., Tokyo, Japan
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Marika Waku
1Biofunctional Informatics, Tokyo Medical and Dental University., Tokyo, Japan
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Fumika Koike
1Biofunctional Informatics, Tokyo Medical and Dental University., Tokyo, Japan
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Yasunari Miyazaki
4Respiratory Medicine, Tokyo Medical and Dental University., Tokyo, Japan
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Naohiko Inase
4Respiratory Medicine, Tokyo Medical and Dental University., Tokyo, Japan
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Tetsuo Sasano
1Biofunctional Informatics, Tokyo Medical and Dental University., Tokyo, Japan
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Miho Akaza
1Biofunctional Informatics, Tokyo Medical and Dental University., Tokyo, Japan
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Tetsuo Kubota
3Section of Microbiology and Immunology, Tokyo Medical and Dental University., Tokyo, Japan
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Yuki Sumi
1Biofunctional Informatics, Tokyo Medical and Dental University., Tokyo, Japan
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Abstract

Introduction: In the previous work about infantile asthma, asthmatic symptoms improved by cleaning the indoor air quality using air purifiers. However, there were few papers showing that adult patients with asthma had improved by the use of air purifiers in Japan.

Objective: We aimed to find out whether air purifier improve indoor enviroment and the patients with asthma.

Methods: Fifty patients with asthma, who had serum IgE antigen specific for house dust mite, were enrolled and randomly divided into intervention group (n = 30) and control group (n = 20). Patients in the intervention group used air purifiers in their bedrooms. Before and after the use of air purifiers, we measured the amount of house dust mite antigens, fungi, and fine particles with a diameter of 2.5 μm or less (PM2.5) to evaluate indoor air quality. The statuses of asthma were evaluated objectively by pulmonary function tests, FOT, and FeNO. Clinical assessment of asthma control were evaluated by ACT score and treatment steps.

Results: Significant differences by the intervention were observed in the amount of PM2.5 in the bedroom and FeNO. Some other parameters in the intervention group showed better results (Figure.1), however, the differences from control group did not reach significant level.

Conclusion: Indoor cleaning by air purifier seems promising therapeutic option for patients with asthma and further study is needed to clarify it’s roles.

Figure.1

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Footnotes

Cite this article as: European Respiratory Journal 2018 52: Suppl. 62, PA1691.

This is an ERS International Congress abstract. No full-text version is available. Further material to accompany this abstract may be available at www.ers-education.org (ERS member access only).

  • Copyright ©the authors 2018
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Can air purifier promote the indoor cleanliness and improve the patients with asthma?
Takao Miyoshi, Wakaba Furuie, Yoshio Otani, Chihiro Tani, Marika Waku, Fumika Koike, Yasunari Miyazaki, Naohiko Inase, Tetsuo Sasano, Miho Akaza, Tetsuo Kubota, Yuki Sumi
European Respiratory Journal Sep 2018, 52 (suppl 62) PA1691; DOI: 10.1183/13993003.congress-2018.PA1691

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Can air purifier promote the indoor cleanliness and improve the patients with asthma?
Takao Miyoshi, Wakaba Furuie, Yoshio Otani, Chihiro Tani, Marika Waku, Fumika Koike, Yasunari Miyazaki, Naohiko Inase, Tetsuo Sasano, Miho Akaza, Tetsuo Kubota, Yuki Sumi
European Respiratory Journal Sep 2018, 52 (suppl 62) PA1691; DOI: 10.1183/13993003.congress-2018.PA1691
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