[Progress in impulse oscillometry on chronic obstructive pulmonary disease].

Impulse oscillometry (IOS) is a force-free, easy-to-use tool for the detection of airway resistance. Compared with spirometry, IOS is more sensitive in detecting early abnormalities in chronic obstructive pulmonary disease (COPD), and IOS parameters have potential research value in identifying the progression of COPD and monitoring the effect of treatment. This review aimed to highlight the significant research findings of IOS in chronic obstructive pulmonary disease and to address the urgent issue that need to be resolved.