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PMID: 2745682 Published · ppublish English Journal Article

Laboratory investigation of hospital outbreak caused by two different multiresistant Acinetobacter calcoaceticus subsp. anitratus strains.

Journal of clinical microbiology ·Vol. 27 ·No. 5 ·1989-05-00 ·Pages 1086-9

Vila J, Almela M, Jimenez de Anta MT

Abstract

During a 7-month period, from December 1986 to June 1987, multiresistant strains of Acinetobacter calcoaceticus subsp. anitratus were isolated from 25 patients in a respiratory intensive care unit. The biochemical characteristics defined two groups of strains, group 1 (14 strains) and group 2 (11 strains). Both groups had the same biochemical characteristics, but group 2 strains could assimilate adipate and phenyl acetate. Moreover, of 16 antibiotics tested only netilmicin and imipenem had some inhibitory activity for group 1 strains; group 2 strains were susceptible to mezlocillin, piperacillin, and ticarcillin. Plasmid profiles of the groups were also different. The results of a laboratory investigation (biochemical characteristics, antibiotic susceptibility, and plasmid isolation) identified two different A. calcoaceticus subsp. anitratus strains as the causes of the outbreak.

MeSH Terms
Acinetobacter/drug effects Acinetobacter Infections/epidemiology,microbiology Cross Infection/epidemiology,microbiology DNA, Bacterial/analysis Disease Outbreaks Drug Resistance, Microbial Humans Intensive Care Units Microbial Sensitivity Tests Plasmids Respiratory Tract Infections/epidemiology,microbiology Restriction Mapping
Chemicals
DNA, Bacterial
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Vila J
Servei de Microbiologia i Parasitologia, Hospital Clinic i Provincial de Barcelona, Spain.
Almela M
Jimenez de Anta M T
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Article Info
Journal
Journal of clinical microbiology
Abbr.
J Clin Microbiol
ISSN
0095-1137
Published
1989-05-00
Pages
1086-9
Language
English
Region
United States
NLM ID
7505564
PMCID
PMC267488
Subset
IM
Corrections
ErratumIn
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