High Rate of Exophiala dermatitidis Recovery in the Airways of Patients with Cystic Fibrosis Is Associated with Pancreatic Insufficiency | Zendy

Nahid Kondori | Zendy; M. Gilljam | Zendy; Anders Lindblad | Zendy; Bodil Jönsson | Zendy; Edward R. B. Moore | Zendy; Christine Wennerås | Zendy

Open Access

High Rate of Exophiala dermatitidis Recovery in the Airways of Patients with Cystic Fibrosis Is Associated with Pancreatic Insufficiency

Author(s) -

Nahid Kondori,

M. Gilljam,

Anders Lindblad,

Bodil Jönsson,

Edward R. B. Moore,

Christine Wennerås

Publication year - 2011

Publication title -

journal of clinical microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.349

H-Index - 255

eISSN - 1070-633X

pISSN - 0095-1137

DOI - 10.1128/jcm.01899-10

Subject(s) - sputum , microbiology and biotechnology , cystic fibrosis , bronchoalveolar lavage , voriconazole , phaeohyphomycosis , blastomyces dermatitidis , biology , respiratory disease , pathology , medicine , lung , immunology , blastomycosis , tuberculosis , antifungal

The black-pigmented fungusExophiala dermatitidis is considered to be a harmless colonizer of the airways of cystic fibrosis (CF) patients. The aim of this study was to establish the recovery rate ofE. dermatitidis in respiratory specimens from CF patients, transplant recipients, and subjects with other respiratory disorders in Sweden. Second, we wished to determine if particular clinical traits were associated withE. dermatitidis colonization of the airways and the antifungal susceptibility profiles ofExophiala strains. Sputum and bronchoalveolar lavage samples (n = 492) derived from 275 patients were investigated.E. dermatitidis was isolated in respiratory specimens from 19% (18/97) of the CF patients but in none of the other patient categories. All isolates were recovered after 6 to 25 days of incubation on erythritol-chloramphenicol agar (ECA) medium. Morphological and genetic analyses confirmed species identity. Pancreatic insufficiency was positively associated with the presence ofE. dermatitidis in sputum samples (P = 0.0198). Antifungal susceptibility tests demonstrated that voriconazole and posaconazole had the lowest MICs againstE. dermatitidis . In conclusion,E. dermatitidis is a frequent colonizer of the respiratory tract in CF patients in Sweden and appears to be associated with more advanced disease. WhetherE. dermatitidis is pathogenic remains to be elucidated.

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