Please use this identifier to cite or link to this item: http://docs.prosentient.com.au/prosentientjspui/handle/1/11013
Title: Relative frequency, characteristics, and antimicrobial susceptibility patterns of Vibrio spp., Aeromonas spp., Chromobacterium violaceum, and Shewanella spp. in the northern territory of Australia, 2000-2013.
Authors: McAuliffe, Gary N
Hennessy, Jann
Baird, Robert W
Affiliation: Microbiology Department, Royal Darwin Hospital, Darwin, Northern Territory, Australia mcauliffegary@hotmail.com..
Microbiology Department, Royal Darwin Hospital, Darwin, Northern Territory, Australia..
Microbiology Department, Royal Darwin Hospital, Darwin, Northern Territory, Australia..
Issue Date: Mar-2015
Citation: The American journal of tropical medicine and hygiene 2015-03; 92(3): 605-10
Abstract: Vibrio, Aeromonas, Chromobacterium violaceum, and Shewanella (VACS) are water-associated Gram-negative organisms that can cause a variety of infections. The frequency, patient characteristics, and antimicrobial susceptibilities for 468 isolates from 442 patients from the Northern Territory were reviewed. Aeromonas spp. (312 of 468; 67%) were most commonly isolated followed by Vibrio spp. (71 of 468; 15%), Shewanella spp. (61 of 468; 13%), and C. violaceum (24 of 468; 5%). A strong male predominance was found (male to female ratio of 2.3:1). Skin and soft tissue isolations (373 of 468; 80%) from lower limb infections (222 of 371; 60%) were the most common clinical manifestation. The episodes were usually polymicrobial (281 of 468; 60%). Coisolates included Staphylococcus aureus (137 of 468; 29%), β-hemolytic streptococci (74 of 468; 16%), enterobacteriaceae (111 of 468; 24%), non-fermentative Gram-negative bacilli (35 of 468; 7%), and other VACS organisms (37 of 468; 8%). Antimicrobial resistance of VACS organisms to ciprofloxacin (0-4%), cefepime (0-3%), and gentamicin (0-0.8%) and Vibrio spp., Aeromonas spp., and Shewanella to cotrimoxazole (0-3%) was rarely shown. For water-associated lower limb skin and soft tissue infections in the tropics, clinicians should consider empirical antimicrobial therapy with agents active against S. aureus and VACS organisms.
URI: http://docs.prosentient.com.au/prosentientjspui/handle/1/11013
DOI: 10.4269/ajtmh.14-0715
Type: Journal Article
Subjects: Adolescent
Adult
Aeromonas
Child
Child, Preschool
Chromobacterium
Female
Gram-Negative Bacteria
Gram-Negative Bacterial Infections
Humans
Infant
Male
Middle Aged
Northern Territory
Shewanella
Vibrio
Young Adult
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