Techniques of assessing small airways dysfunction

  title={Techniques of assessing small airways dysfunction},
  author={William E. McNulty and Omar Sharif Usmani},
  booktitle={European clinical respiratory journal},
The small airways are defined as those less than 2 mm in diameter. They are a major site of pathology in many lung diseases, not least chronic obstructive pulmonary disease (COPD) and asthma. The small airways are frequently involved early in the course of these diseases, with significant pathology demonstrable often before the onset of symptoms or changes in spirometry and imaging. Despite their importance, they have proven relatively difficult to study. This is in part due to their relative… CONTINUE READING