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Validity of Fractional Exhaled Nitric Oxide and Impulse Oscillometry in Patients With Cough Variant Asthma

Cough Variant Asthma Clinical Trial

Official title:
Evaluating the Efficacy of Fractional Exhaled Nitric Oxide and Impulse Oscillometry in Patients With Cough Variant Asthma

Clinical Trial Summary

The aim of the research is to evaluate the clinical value of fractional exhaled nitric oxide(FeNO) ,impulse oscillometry(IOS) and mid-expiratory flow (MEF) in patients with cough variant asthma.

Clinical Trial Description

The present study has the following objectives: to evaluate the relationship between BHR and mid-expiratory flow, to assess the diagnostic accuracy of fractional exhaled nitric oxide，impulse oscillometry and mid-expiratory flow in CVA with special regard to its discriminating value between CVA and other causes of a chronic cough, to estimate prognostic value of BHR and fractional exhaled nitric oxide (FeNO) count in predicting response to asthma treatment. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03573284
Study type Interventional
Source Zhujiang Hospital
Contact
Status Completed
Phase N/A
Start date August 12, 2018
Completion date June 30, 2019
View Details
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