Article
Airway inflammation phenotype prediction in asthma patients using lung sound analysis with fractional exhaled nitric oxide.
Allergology international : official journal of the Japanese Society of Allergology - 1 Oct 2017
Shimoda Terufumi, Obase Yasushi, Nagasaka Yukio, Nakano Hiroshi, Kishikawa Reiko, Iwanaga Tomoaki
Abstract excerpt
BACKGROUND: We previously reported the results of lung sound analysis in patients with bronchial asthma and demonstrated that the exhalation-to-inhalation sound pressure ratio in the low frequency range between 100 and 200 Hz (E/I LF) was correlated with the presence of airway inflammation and airway obstruction. We classified asthma patients by airway inflammation phenotype using the induced sputum eosinophil...
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