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Review
. 2017 Dec;152(6):1296-1305.
doi: 10.1016/j.chest.2017.08.013. Epub 2017 Aug 31.

Tracheobronchopathy From Inhaled Corticosteroids

Bryan C Husta  1 , Suhail Raoof  1 , Serpil Erzurum  2 , Atul C Mehta  3
Affiliations
Review

Tracheobronchopathy From Inhaled Corticosteroids

Bryan C Husta et al. Chest. 2017 Dec.

Erratum in

Abstract

Inhaled corticosteroids (ICSs) have become the mainstay of asthma control. They are also recommended as an add-on therapy to long-acting beta agonists and anticholinergics in moderate to severe COPD with recurrent exacerbations. Ultimately this clinical practice has led to the widespread use of ICSs, which are supported by a more favorable side effect profile than that of systemic steroids.

Keywords: excessive dynamic airway collapse; inhaled corticosteroids; tracheobronchomalacia; tracheomalacia.

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Figures

Figure 1
Figure 1
Effects of inhaled corticosteroids on airway vasculature and supporting structure.
Figure 2
Figure 2
Vocal cord candidiasis in an immunocompromised patient taking inhaled corticosteroids.
Figure 3
Figure 3
Inspiration and expiration CT scans of the chest, revealing excessive dynamic collapse of airways. Note compromised tracheal lumen from the lax posterior wall, whereas the integrity of the cartilage is well maintained.
Figure 4
Figure 4
Flexible bronchoscopy revealing excessive dynamic collapse of airways. Note compromised tracheal lumen from the lax posterior wall, whereas the integrity of the cartilage is well maintained. Courtesy of Dr Tim Murgu.
Figure 5
Figure 5
Tracheomalacia. Note the loss of integrity of the tracheal wall cartilages. Courtesy of Dr Tim Murgu.
Figure 6
Figure 6
CT scan of the chest revealing tracheomalacia. Note loss of integrity of the tracheal wall cartilage. Courtesy of Dr Tim Murgu.
Figure 7
Figure 7
Tracheobronchial smooth muscle atrophy and separation. Note separation of the medial end of the cartilages of the right main bronchus (arrow) from the posterior wall.
Figure 8
Figure 8
Histologic examination of the airway wall from the explanted lung, revealing total absence of airway smooth muscle in a patient with tracheobronchial smooth muscle atrophy and separation (H&E). C = cartilage; CT = connective tissue; G = mucosal glands).
See this image and copyright information in PMC

References

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