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Allergy and Airway: Asthma I |

FeNO Could Be an Effective Predictor for Lower Airway Eosinophilic Inflammation in Nonasthmatic Patients With Allergic Rhinitis, but Not in Patients With Non-Allergic Rhinitis

Baojuan Liu, PhD; Yanqing Xie, PhD; KeFang Lai, PhD; Wei Luo, PhD
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Guangzhou Institute of Respiratory Disease, Guangzhou, China


Copyright 2016, American College of Chest Physicians. All Rights Reserved.


Chest. 2016;149(4_S):A9. doi:10.1016/j.chest.2016.02.011
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SESSION TITLE: Asthma I

SESSION TYPE: Original Investigation Poster

PRESENTED ON: Saturday, April 16, 2016 at 11:45 AM - 12:45 PM

PURPOSE: Fractional exhaled nitric oxide (FeNO) is an noninvasive biomark of airway eosinophilic inflammation and well tolerant. Patients with allergic rhinitis (AR) who had eosinophilic inflammation in the lower airway might show elevated FeNO value. Whether FeNO can reflect the lower airway eosinophilic inflammation in patients with non-allergic rhinitis (NAR) or not remained unclear. Our study aims to investigate the significance of FeNO in detecting the eosinophilic inflammation in lower airway of nonasthmatic patients with NAR.

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