Significance of Aspergillus fumigatus Isolation from Respiratory Specimens of Nongranulocytopenic Patients

  • M. L. Uffredi
  • G. Mangiapan
  • J. Cadranel
  • G. KacEmail author


The aim of this study was to determine the significance of isolation of Aspergillus fumigatus from cultures of respiratory specimens in nongranulocytopenic patients. The medical records of patients with respiratory specimens positive for Aspergillus fumigatus who were admitted to an adult pneumology ward were reviewed during a 2-year period. A total of 80 respiratory specimens from 76 patients yielded Aspergillus fumigatus. Forty-eight patients were colonized with Aspergillus fumigatus, whereas the 28 (37%) remaining patients had pulmonary aspergillosis, manifest as aspergilloma (n=19 patients), chronic necrotizing pulmonary aspergillosis (n=7 patients), and bronchial aspergillosis (n=2 patients). The presence of typical hyphae in direct examination of bronchoscopic specimens was more likely to be found in infected than in colonized patients (P=0.04). No immunological test was positive in colonized patients, whereas anti-Aspergillus antibodies were detected in 55% of infected patients (P<0.001). Pulmonary tuberculosis was the most common underlying lung disease in patients with aspergilloma, but it was not found in any patient with chronic necrotizing pulmonary aspergillosis (P=0.006). Anti-Aspergillus antibodies were more likely to be detected in patients with aspergilloma (78%) than in patients with chronic necrotizing pulmonary aspergillosis (14%) (P=0.007). The analysis of predisposing factors, in conjunction with immunological tests and examination of bronchoscopic specimens, is helpful in distinguishing between colonization and infection with Aspergillus fumigatus, as well as for differentiating between aspergilloma and chronic necrotizing pulmonary aspergillosis.


Chronic Obstructive Pulmonary Disease Idiopathic Pulmonary Fibrosis Aspergillosis Aspergillus Fumigatus Invasive Pulmonary Aspergillosis 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The authors would like to thank Prof G. Meyer for his helpful comments.


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Copyright information

© Springer-Verlag 2003

Authors and Affiliations

  • M. L. Uffredi
    • 1
  • G. Mangiapan
    • 1
  • J. Cadranel
    • 1
  • G. Kac
    • 2
    Email author
  1. 1.Service de PneumologieHôpital TenonParisFrance
  2. 2.Hygiène HospitalièreHôpital Européen Georges PompidouParis Cedex 15France

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