Exertional Dyspnea and Excessive Dynamic Airway Collapse

Michael J. Morris*, Jeffrey T. Woods, Cameron W. McLaughlin

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

4 Scopus citations


Excessive dynamic airway collapse is a relatively new diagnosis separate from tracheobronchomalacia that is manifested by functional collapse of the large airways. Most commonly described in patients with underlying obstructive lung disease such as chronic obstructive pulmonary disease and asthma, it may contribute to increased dyspnea, cough, or exacerbations. There are few data published on the role of excessive dynamic airway collapse as related specifically to exercise. It was recently described as the cause for exertional dyspnea in individuals without underlying lung disease.

Original languageEnglish
Pages (from-to)325-332
Number of pages8
JournalImmunology and Allergy Clinics of North America
Issue number2
StatePublished - May 2018
Externally publishedYes


  • Asthma
  • Chronic obstructive pulmonary disease
  • Dyspnea
  • Excessive dynamic airway collapse
  • Exercise
  • Tracheobronchomalacia


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