Background Small airway dysfunction (SAD) is a widespread, but less typical clinical
manifestation of respiratory dysfunction. In lung diseases, SAD can have a higher-than …

Background Small airway dysfunction (SAD) is a widespread but less typical clinical
manifestation of respiratory dysfunction. In lung diseases, SAD can have a higher-than …

Background: Small airway dysfunction (SAD) is a common abnormality but its risk factors,
and prognostic factors is unknown in China or anywhere else in the world. We aim to assess …

Background Small airway dysfunction is a common but neglected respiratory abnormality.
Little is known about its prevalence, risk factors, and prognostic factors in China or anywhere …

Background Small airway dysfunction (SAD) and airway inflammation are vital in asthma
exacerbations. Type 2 inflammation (T2), mediated by cytokines from T helper 2 cell (Th2) …

Aim Maximum mid-expiratory flow (MMEF) is one of the pulmonary function tests that report
small airway disease. Our study aimed to investigate the role of MMEF values in asthma …

Background Recent evidence identified exposure to particulate matter of size≤ 2.5 µm
(PM2. 5) as a risk factor for high prevalence of small airway dysfunction (SAD). We assessed …

Background Small airway dysfunction (SAD) and impaired diffusion capacity of the lungs for
carbon monoxide (DL CO) are positively associated with a worse prognosis. Individuals with …

BACKGROUND Small airways are defined as those with a diameter≤ 2 mm. 1 1. van der
Wiel E, ten Hacken NH, Postma DS, van den Berge M. Small-airways dysfunction associates …

Background Aging has been evidenced to bring about some structural and functional lung
changes, especially in COPD. However, whether aging affects SAD, a possible precursor of …