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Fungal bronchitis is a distinct clinical entity which is responsive to antifungal therapy

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posted on 2021-03-05, 08:54 authored by Leyla Pur Ozyigit, Will Monteiro, Eva-Maria Rick, Jack Satchwell, Catherine Helen Pashley, Andrew John Wardlaw
Chronic productive cough in the context of exacerbations of airway disease can be associated with positive sputum cultures for fungi, in particular Aspergillus fumigatus and Candida spp., suggesting fungal bronchitis, a condition not widely recognised, as a possible cause for the exacerbation. Our objective was to determine the response to antifungal therapy in patients with suspected fungal bronchitis. Retrospective analysis of data extracted from case records of patients under secondary care respiratory clinics who had been treated with triazole therapy for suspected fungal bronchitis between 2010–2017. Primary outcome was lung function response after 1 month of treatment. Nineteen patients with fungal bronchitis due to A. fumigatus and 12 patients due to Candida spp., were included in the study. Most of the patients, particularly in the Aspergillus group, had allergic fungal airway disease on a background of asthma. All but one of the patients in each group were recorded as showing clinical improvement with antifungal therapy. In the majority of patients this was reflected in an improvement in lung function. Aspergillus group: FEV1 (1.44 ± 0.8 L vs 1.6 ± 0.8 L: p < 0.02), FVC (2.49 ± 1.08 L vs 2.8 ± 1.1 L: p = 0.01), and PEF (260 ± 150L/min vs 297 ± 194ml/min: p < 0.02). Candida group: FEV1 (1.6 ± 0.76 L vs 2.0 ± 0.72 L: p < 0.004), FVC (2.69 ± 0.91 L vs 3.13 ± 0.7 L: p = 0.05), and PEF (271± 139L/min vs 333 ± 156 L/min: p = 0.01). Side effects of treatment were common, but resolved on stopping treatment. This service improvement project supports the idea that fungal bronchitis is a distinct clinical entity which is responsive to treatment. Controlled clinical trials to confirm the clinical impression that this is relatively common and treatable complication of complex airway disease are required.

History

Citation

Chronic Respiratory Disease, 2021, 18. https://doi.org/10.1177/1479973120964448

Author affiliation

Department of Respiratory Sciences, University of Leicester

Version

  • VoR (Version of Record)

Published in

Chronic Respiratory Disease

Volume

18

Publisher

SAGE Publications

issn

1479-9723

eissn

1479-9731

Acceptance date

2020-09-13

Copyright date

2021

Available date

2021-01-21

Spatial coverage

England

Language

English

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