The changing epidemiology of Acinetobacter spp. producing OXA carbapenemases causing bloodstream infections in Brazil: a BrasNet report

Abstract We evaluated the epidemiology of Acinetobacter spp. recovered from patients diagnosed with bloodstream infections in 9 tertiary hospitals located in all Brazilian geographic regions between April and August 2014. Although OXA-23–producing Acinetobacter baumannii clones were disseminated in...

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Published in:	Diagnostic microbiology and infectious disease Vol. 83; no. 4; pp. 382 - 385
Main Authors:	Vasconcelos, Ana Tereza R, Barth, Afonso L, Zavascki, Alexandre P, Gales, Ana C, Levin, Anna S, Lucarevschi, Bianca R, Cabral, Blenda G, Brasiliense, Danielle M, Rossi, Flavia, Furtado, Guilherme H.C, Carneiro, Irna Carla R.S, da Silva, Juliana O, Ribeiro, Julival, Lima, Karla V.B, Correa, Luci, Britto, Maria H, Silva, Mariama T, da Conceição, Marília L, Moreira, Marina, Martino, Marinês D.V, de Freitas, Marise R, Oliveira, Maura S, Dalben, Mirian F, Guzman, Ricardo D, Cayô, Rodrigo, Morais, Rosângela, Santos, Sânia A, Martins, Willames M.B.S
Format:	Journal Article
Language:	English
Published:	United States Elsevier Inc 01-12-2015
Subjects:	Acinetobacter Acinetobacter - classification Acinetobacter - enzymology Acinetobacter - genetics Acinetobacter - isolation & purification Acinetobacter baumannii Acinetobacter Infections - epidemiology Acinetobacter Infections - microbiology Acinetobacter spp Adolescent Adult Aged Aged, 80 and over Anti-Bacterial Agents - pharmacology Bacteremia - epidemiology Bacteremia - microbiology Bacterial Proteins - genetics Bacterial Proteins - secretion beta-Lactamases - genetics beta-Lactamases - secretion Bloodstream infections Brazil - epidemiology Child Child, Preschool Cluster Analysis Drug Resistance, Multiple, Bacterial Female Genotype Humans Infant Infant, Newborn Infectious Disease Internal Medicine Male Microbial Sensitivity Tests Middle Aged Molecular epidemiology Molecular Typing OXA carbapenemase Polymerase Chain Reaction Tertiary Care Centers Young Adult Brazil OXA carbapenemase Bloodstream infections Molecular epidemiology Acinetobacter spp
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Summary:	Abstract We evaluated the epidemiology of Acinetobacter spp. recovered from patients diagnosed with bloodstream infections in 9 tertiary hospitals located in all Brazilian geographic regions between April and August 2014. Although OXA-23–producing Acinetobacter baumannii clones were disseminated in most hospitals, it was observed for the first time the spread of OXA-72 among clonally related A. baumannii isolated from distinct hospitals. Interestingly, Acinetobacter pittii was the most frequent species found in a Northern region hospital. Contrasting with the multisusceptible profile displayed by A. pittii isolates, the tetracyclines and polymyxins were the only antimicrobials active against all A. baumannii isolates.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0732-8893 1879-0070
DOI:	10.1016/j.diagmicrobio.2015.08.006