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[Aspergilli and chronic lung diseases].

H Colak, N Yuluğ

    Mikrobiyoloji Bulteni
    |January 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    Fungal infections, specifically Aspergillus fumigatus, were more common in patients with bronchial asthma than chronic bronchitis. Aspergillus niger was also detected, but not in the control group, suggesting a link between these fungi and respiratory diseases.

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    Area of Science:

    • Medical Mycology
    • Pulmonology
    • Clinical Microbiology

    Background:

    • Chronic bronchitis and bronchial asthma are common respiratory conditions.
    • Fungal colonization of the respiratory tract is increasingly recognized.
    • Aspergillus species are common airborne fungi with potential pathogenic roles.

    Purpose of the Study:

    • To investigate the prevalence of Aspergillus species in sputum of patients with chronic bronchitis and bronchial asthma.
    • To compare the isolation rates of Aspergillus fumigatus and Aspergillus niger between these patient groups.
    • To assess the presence of Aspergillus species in a control group with lobar pneumonia.

    Main Methods:

    • Mycological examination of morning sputum samples.
    • Isolation and identification of fungal species, specifically Aspergillus fumigatus and Aspergillus niger.

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  • Statistical analysis to compare isolation frequencies between patient groups.

    • Main Results:

    • Aspergillus fumigatus was isolated from 4.5% of chronic bronchitis patients and 24.5% of bronchial asthma patients.
    • Aspergillus niger was isolated from 0.8% of chronic bronchitis patients and 2.4% of bronchial asthma patients.
    • The isolation frequency of Aspergillus fumigatus showed a statistically significant difference (p < 0.05) between chronic bronchitis and bronchial asthma groups. No Aspergillus species were found in the control group.

    Conclusions:

    • Aspergillus fumigatus is significantly more prevalent in patients with bronchial asthma compared to chronic bronchitis.
    • Aspergillus species may play a role in the pathogenesis or exacerbation of bronchial asthma.
    • Further research is warranted to elucidate the clinical significance of Aspergillus isolation in respiratory diseases.