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KMID : 0390220160270020362
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Journal of Clinical Otolaryngology, Head and Neck Surgery
2016 Volume.27 No. 2 p.362 ~ p.365
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Development of Cold Dry Air Bronchial Provocation Test for the Evaluation of Bronchial Hyper-Reactivity
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Kim Dae-Young
Kim Young-Hyo
Lim Dae-Hyun
Kim Jeong-Hee
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Abstract
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Cold dry air (CDA) bronchial provocation test is useful in patient with bronchial hyper-responsiveness. We performed CDA bronchial provocation in a 7-year-old boy with asthma and subjective cold hyper-responsiveness (SCH). He reported increase of symptom score after provocation. His spirometry revealed that there was significant decrease of FEV1 (1.22 to 0.70 liter), FVC (2.81 to 2.34 liter), FEV1/FVC ratio (43.4% to 29.9%), FEF25- 75% (0.49 to 0.22 liter/second) and PEF (118 to 88 liter/second). It is possible that CDA bronchial provocation test might be a useful tool for identifying and evaluating bronchial hyper- responsiveness.
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KEYWORD
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Bronchial hyperreactivity, Asthma, Spirometry
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