Abstract
The case definition of inhalational constrictive bronchiolitis (CB) has changed over the generations. We identify changes in the description of this illness over time associated with different exposures and present the natural history of CB in a case attributed to military burn pit exposure. The initial descriptions of this disease began with nitric acid spills and silage exposures. In these events, there was an acute exposure, typically a short-term resolution of the adverse respiratory events, and then a progression, leading to disability or a respiratory death. The life-saving role of corticosteroid therapy in this situation was recognized. War gas exposures of World War I and then Saddam Hussein’s use of sulfur mustard gas in the Iran-Iraq War followed. More recently the findings associated with diacetyl exposure in commercial popcorn workers remained consistent with previously described presentations, but then the clinical presentation in troops returning from deployment to Southwest Asia was very different, yet with the same histologic findings. We recognize unreconciled disparities in the clinical, physiologic, and imaging presentation in those with inhalational bronchiolitis and acknowledge this as perhaps one of the difficult diagnoses in respiratory medicine.
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The authors acknowledge the assistance of Mr. Robert A. B. Bolish in providing the illustration.
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DEB and MJM are co-authors of this original manuscript. DEB is responsible for conceptualization, investigation, writing—original work, writing—review & editing. MJM is responsible for Resources, Investigation, Writing—Review and Editing.
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Banks, D.E., Morris, M.J. Inhalational Constrictive Bronchiolitis: The Evolution of our Understanding of this Disease. Lung 199, 327–334 (2021). https://doi.org/10.1007/s00408-021-00466-2
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DOI: https://doi.org/10.1007/s00408-021-00466-2