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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

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Journal Article

Journal Article

Upper-Airway Cough Syndrome with Latent Eosinophilic Bronchitis  [2010]

Yu, Li; Wei, Weili; Wang, Lan; Huang, Yang; et al.

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Upper-airway cough syndrome often coexists with other diseases that elicit chronic cough. However, the concomitant conditions are not always relevant to chronic cough, which complicates the cause diagnosis of chronic cough. The objective of this study was to explore the diagnosis and clinical implication of upper-airway cough syndrome with latent eosinophilic bronchitis. Eleven patients with upper-airway cough syndrome and latent eosinophilic bronchitis were retrospectively analyzed for their clinical manifestations, changes of eosinophilia in induced sputum, and cough threshold with capsaicin defined as capsaicin concentration that elicits two or more coughs (C2) and five or more coughs (C5) between pretreatment and post-treatment. All patients reported a history of allergic rhinitis, showed persistent dry cough or small amounts of viscid sputum with a time course of 2-60 months (median = 7 months), and presented with symptoms and signs of rhinitis, normal lung function, and airway responsiveness. Initial eosinophil percentage in induced sputum was 3.5-8.0%. Cough disappeared after 2-5 (3 ± 1) weeks of only oral antihistamine. With successful treatment, cough threshold C2 increased from 1.73 ± 1.45 to 4.43 ± 4.50 μmol/L (t = 2.64, P = 0.025) and C5 increased from 2.79 ± 2.16 to 10.10 ± 8.22 μmol/L (t = 3.10, P = 0.011). However, there was no significant change of eosinophil percentage in induced sputum (4.8 ± 1.5% vs. 4.4 ± 1.4%, t = 0.84, P = 0.427). Upp
er-airway cough syndrome with latent eosinophilic bronchitis is a unique condition. The recognition of the entity may avoid unnecessary use of corticosteroids.
From the journal
Lung
ISSN : 0341-2040

Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2013
Volume:
188
Issue:
1
Start Page:
71
End Page:
76
Publisher:
New York : Springer-Verlag
All titles:
"Upper-Airway Cough Syndrome with Latent Eosinophilic Bronchitis"@eng
Other:
"Includes references"
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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2013
Volume:
188
Issue:
1
Start Page:
71
End Page:
76
Publisher:
New York : Springer-Verlag
All titles:
"Upper-Airway Cough Syndrome with Latent Eosinophilic Bronchitis"@eng
Other:
"Includes references"