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Emerg Infect Dis. 2006 Mar;12(3):403-8.

Aspergillus ustus infections among transplant recipients.

Author information

1
Fred Hutchinson Cancer Research Center, Seattle, Washington 98109, USA.

Abstract

Aspergillus ustus is a mold that rarely infects humans; only 15 systemic cases have been reported. We report the first outbreak of invasive infection caused by A. ustus among hematopoietic stem cell transplant (HSCT) recipients. Six patients with infections were identified; 3 infections each occurred in both 2001 and 2003. Molecular typing by using randomly amplified polymorphic DNA (RAPD) and antifungal drug susceptibility testing were performed on clinical and environmental isolates recovered from our hospital from 1999 to 2003. The highest overall attack rate in HSCT patients was 1.6%. The overall death rate was 50%, and death occurred within 8 days after diagnostic culture collection. Clinical isolates exhibited decreased susceptibility to antifungal drugs, especially azoles. RAPD and phylogenetic analysis showed genetic similarity between isolates from different patients. Based on the clustering of cases in space and time and molecular data, common-source acquisition of this unusual drug-resistant species is possible.

PMID:
16704776
PMCID:
PMC3291436
DOI:
10.3201/eid1203.050670
[Indexed for MEDLINE]
Free PMC Article

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