Mostrar el registro sencillo del ítem
dc.contributor.author
Di Gregorio, Sabrina Noelia
dc.contributor.author
Perazzi, Beatriz Elizabeth
dc.contributor.author
Martinez Ordoñez, Andrea
dc.contributor.author
de Gregorio, Stella
dc.contributor.author
Focoli, Mónica
dc.contributor.author
Lasala, María Beatriz
dc.contributor.author
Garcia, Susana
dc.contributor.author
Vay, Carlos Alberto
dc.contributor.author
Famiglietti, Angela María Rosa
dc.contributor.author
Mollerach, Marta Eugenia
dc.date.available
2017-12-13T20:58:36Z
dc.date.issued
2014-12
dc.identifier.citation
Di Gregorio, Sabrina Noelia; Perazzi, Beatriz Elizabeth; Martinez Ordoñez, Andrea; de Gregorio, Stella; Focoli, Mónica; et al.; Clinical, Microbiological, and Genetic Characteristics of Heteroresistant Vancomycin-Intermediate Staphylococcus aureus Bacteremia in a Teaching Hospital; Mary Ann Liebert; Microbial Drug Resistance: Mechanisms Epidemiology and Disease; 21; 1; 12-2014; 25-34
dc.identifier.issn
1076-6294
dc.identifier.uri
http://hdl.handle.net/11336/30535
dc.description.abstract
The emergence of vancomycin intermediate Staphylococcus aureus (VISA) and heterogeneous VISA (hVISA) is of major concern worldwide. Our objective was to investigate the prevalence, phenotypic and molecular features of hVISA strains isolated from bacteremic patients and to determine the clinical significance of the hVISA phenotype in patients with bacteremia. A total of 104 S. aureus blood isolates were collected from a teaching hospital of Argentina between August 2009 and November 2010. No VISA isolate was recovered, and 3 out of 92 patients (3.3%) were infected with hVISA, 2 of them methicillin-resistant S. aureus (MRSA) (4.5% of MRSA). Macro Etest and prediffusion method detected 3/3 and 2/3 hVISA respectively. Considering the type of bacteremia, the three cases were distributed as follows: two patients had suffered multiple episodes of bacteremia (both hVISA strains recovered in the second episode), while only one patient had suffered a single episode of bacteremia with hVISA infection. MRSA bloodstream isolates exhibiting the hVISA phenotype were related to HA-MRSA Cordobes clone (ST5-SCCmec I-spa t149) and MRSA Argentinean pediatric clone (ST100-SCCmec IVNV-spa t002), but not to CA-MRSA-ST30-SCCmec IV-spa t019 clone that was one of the most frequent in our country. Although still relatively infrequent in our hospital, hVISA strains were<br />significantly associated with multiple episodes of bacteremia ( p = 0.037) and genetically unrelated.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Mary Ann Liebert
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Staphylococcus Aureus
dc.subject
Vancomycin
dc.subject
Molecular Epidemiology
dc.subject
Hvisa
dc.subject.classification
Epidemiología
dc.subject.classification
Ciencias de la Salud
dc.subject.classification
CIENCIAS MÉDICAS Y DE LA SALUD
dc.title
Clinical, Microbiological, and Genetic Characteristics of Heteroresistant Vancomycin-Intermediate Staphylococcus aureus Bacteremia in a Teaching Hospital
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-12-12T18:29:43Z
dc.journal.volume
21
dc.journal.number
1
dc.journal.pagination
25-34
dc.journal.pais
Estados Unidos
dc.journal.ciudad
Nueva York
dc.description.fil
Fil: Di Gregorio, Sabrina Noelia. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica; Argentina
dc.description.fil
Fil: Perazzi, Beatriz Elizabeth. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica; Argentina
dc.description.fil
Fil: Martinez Ordoñez, Andrea. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica. Departamento de Bioquímica Clínica; Argentina
dc.description.fil
Fil: de Gregorio, Stella. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina
dc.description.fil
Fil: Focoli, Mónica. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina
dc.description.fil
Fil: Lasala, María Beatriz. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina
dc.description.fil
Fil: Garcia, Susana. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica; Argentina
dc.description.fil
Fil: Vay, Carlos Alberto. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina
dc.description.fil
Fil: Famiglietti, Angela María Rosa. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica; Argentina. Universidad de Buenos Aires. Facultad de Medicina. Hospital de Clínicas General San Martín; Argentina
dc.description.fil
Fil: Mollerach, Marta Eugenia. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Houssay; Argentina
dc.journal.title
Microbial Drug Resistance: Mechanisms Epidemiology and Disease
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1089/mdr.2014.0190
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://online.liebertpub.com/doi/abs/10.1089/mdr.2014.0190
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4367492/
Archivos asociados