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Revista argentina de microbiología
Print version ISSN 0325-7541On-line version ISSN 1851-7617
Abstract
CLARA, Liliana et al. Report of two events of nosocomial outbreak and pseudo-outbreak due to contamination with Achromobacter spp. Rev. argent. microbiol. [online]. 2022, vol.54, n.3, pp.51-60. ISSN 0325-7541.
Achromobacter spp. are increasingly recognized as emerging pathogens in immunocompromised patients or suffering cystic fibrosis, but unusual in immunocompetent hosts or individuals that underwent surgery. In this study we describe two simultaneous events attributable to two different Achromobacter spp. contaminated sources. One event was related to an episode of pseudo-bacteremia due to sodium citrate blood collection tubes contaminated with Achromobacter insuavis and the other to Achromobacter genogroup 20 infection and colonization caused by an intrinsically contaminated chlorhexidine soap solution. Both threatened the appropriate use of antimicrobials. Molecular approaches were critical to achieving the accurate species identification and to assess the clonal relationship, strengthening the need for dedicated, multidisciplinary and collaborative work of microbiologists, specialists in infectious diseases, epidemiologists and nurses in the control of infections to clarify these epidemiological situations.
Keywords : Achromobacter insuavis; Achromobacter genogroup 20; Genotyping; Outbreaks; Pseudo outbreaks; Pseudo bacteremia; Clorhexidine contamination; Wound care; Antibiotic stewardship.