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Anti-Aspergillus fumigatus IgG in patients with bronchiectasis and its relationship with clinical outcome

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Abstract

Aspergillosis is a mycosis, most commonly affecting the airways. This mycosis can worsen the clinical condition of patients with concurrent lung diseases. We assayed for the presence of serum anti-A. fumigatus IgG in bronchiectasis patients from a tertiary hospital in south Brazil and evaluated the relationship with clinical outcome. Thirty-one patients with bronchiectasis, without cystic fibrosis, were included. Clinical and epidemiological data were collected from all participants. Positive serological tests were detected in 13% (4/31) of the patients. The mortality rate for the year following the assay was, in the seropositive group, 75% (3/4), whereas in the seronegative group, 15% (4/27). An illustrative case is also shown and discussed. Our study highlights the diagnostic challenge and the possible impact of Aspergillus infection on these patients, indicating the necessity of more and larger investigations in the field.

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Acknowledgements

The authors are grateful to the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior from the Ministry of Education, Brazil (CAPES—BR), under the CAPES-Print Program—Finance Code 001.

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Contributions

All authors contributed to accomplishment of this manuscript. First draft of the manuscript (MRT, MOX). Care and monitoring of the patients (RPB). Searched the clinical information (RPB, JLB, VRP, KOS). Mycological analyses (JLB, GBK, KOS, VRP, MOX). Molecular analyses (AMM, CVR, RS). Critical review and revision (VRP, DFR, DAS, MOX).

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Correspondence to Melissa Orzechowski Xavier.

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Communicated by Yusuf Akhter.

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Trápaga, M.R., Poester, V.R., Sanchotene, K.O. et al. Anti-Aspergillus fumigatus IgG in patients with bronchiectasis and its relationship with clinical outcome. Arch Microbiol 204, 728 (2022). https://doi.org/10.1007/s00203-022-03345-3

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  • DOI: https://doi.org/10.1007/s00203-022-03345-3

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