Polyclonal outbreak of bacteremia caused by Burkholderia cepacia complex and the presumptive role of ultrasound gel

The Brazilian Journal of Infectious Diseases : an Official Publication of the Brazilian Society of Infectious Diseases
Esteban C NanniniAdriana S Limansky

Abstract

A nosocomial polyclonal outbreak associated to bacteremia caused by different Burkholderia cepacia complex (BCC) species and clones is reported. Molecular characterization identified Burkholderia stabilis, Burkholderia contaminans, and Burkholderia ambifaria among BCC isolates obtained from patients in neonatal and adult intensive care units. BCC was also isolated from an intrinsically contaminated ultrasound gel, which constituted the presumptive BCC source. Prior BCC outbreak related to contaminated ultrasound gels have been described in the setting of transrectal prostate biopsy. Outbreak caused strains and/or clones of BCC have been reported, probably because BCC are commonly found in the natural environment; most BCC species are biofilm producers, and different species may contaminate an environmental source. The finding of multiple species or clones during the analysis of nosocomial BCC cases might not be enough to reject an outbreak from a common source.

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Citations

Apr 20, 2016·Vaccines·Gonzalo A PradenasAlfredo G Torres
Jun 6, 2017·Current Opinion in Infectious Diseases·Julia Johnson, Caroline Quach
May 19, 2017·Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America·Hajime KanamoriDavid J Weber
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Sep 3, 2020·Revista Do Instituto De Medicina Tropical De São Paulo·Amanda Luiz Pires MacielIcaro Boszczowski
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Oct 30, 2021·Angewandte Chemie·Elena ShaninaChristoph Rademacher

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