Results: 445

Susceptibilidad de enterobacterias a piperacilina/tazobactam en un hospital pediátrico de Chile

Rev. chil. infectol; 34 (6), 2017
Resumen Introducción: Las enterobacterias son bacilos gram-negativos responsables de infecciones graves en el ser humano. Se reporta una susceptibilidad en Klebsiella pneumoniae de 79,4% a piperacilina/tazobactam (PIP/TAZO) en hospitales pediátricos de Chile, pero según nuestro conocimiento, no exist...

Incidencia de bacterias multi-resistentes en unidades de cuidados intensivos de hospitales chilenos

Rev. chil. infectol; 34 (6), 2017
Resumen Introducción: La vigilancia de incidencia de bacterias multi-resistentes es un indicador que permite estimar mejor la magnitud de la resistencia bacteriana en los servicios hospitalarios. Objetivo: Evaluar la incidencia de bacterias multi-resistentes relevantes en unidades de cuidados intensiv...

Lack of association between rrl and erm(41) mutations and clarithromycin resistance in Mycobacterium abscessus complex

Mem. Inst. Oswaldo Cruz; 112 (11), 2017
BACKGROUND Mycobacterium abscessus complex (MABC) includes species with high resistance rates among mycobacterial pathogens. In fact, MABC infections may not respond to clarithromycin treatment, which has historically been very effective against MABC infection. Molecular markers have been proposed to det...

The in vitro activity of ceftazidime-avibactam against 417 Gram-negative bacilli collected in 2014 and 2015 at a teaching hospital in São Paulo, Brazil

Braz. j. infect. dis; 21 (5), 2017

In vitro susceptibility of methicillin-resistant Staphylococcus aureus isolates from skin and soft tissue infections to vancomycin, daptomycin, linezolid and tedizolid

Braz. j. infect. dis; 21 (5), 2017
Abstract Introduction Treatment of multidrug-resistant Gram-positive infections caused by Staphylococcus aureus remains as a clinical challenge due to emergence of new resistance mechanisms. Tedizolid is a next-generation oxazolidinone, recently approved for skin and soft tissues infections. We conducte...

Plasmid-mediated mcr-1 in carbapenem-susceptible Escherichia coli ST156 causing a blood infection: an unnoticeable spread of colistin resistance in Brazil?

Clinics; 72 (10), 2017
OBJECTIVE: We describe an IncX4 pHC891/16mcr plasmid carrying mcr-1 in a colistin-resistant and carbapenem-susceptible E. coli isolate (HC891/16), ST156, which caused a blood infection in a Brazilian patient with gallbladder adenocarcinoma. METHODS: Strain HC891/16 was subjected to whole genome sequenci...

Effect of TiO2 nanoparticles incorporation on antibacterial properties and shear bond strength of dental composite used in Orthodontics

ABSTRACT Introduction: Plaque accumulation and bond failure are drawbacks of orthodontic treatment, which requires composite for bonding of brackets. As the antimicrobial properties of TiO2 nanoparticles (NPs) have been proven, the aim of this study was to evaluate the antimicrobial and mechanical prop...

Aqueous humor concentrations of topical fluoroquinolones alone or in combination with a steroid

Arq. bras. oftalmol; 80 (5), 2017
ABSTRACT Purpose: To compare the aqueous humor (AH) concentrations of moxifloxacin 0.5% and gatifloxacin 0.3% solutions alone or when treatment was combined with steroids, and to correlate these concentrations with the minimum inhibitory concentrations (MIC) for the most common endophthalmitis-causing o...

Antimycobacterial and antimalarial activities of endophytic fungi associated with the ancient and narrowly endemic neotropical plant Vellozia gigantea from Brazil

Mem. Inst. Oswaldo Cruz; 112 (10), 2017
BACKGROUND Endophytic fungi, present mainly in the Ascomycota and Basidiomycota phyla, are associated with different plants and represent important producers of bioactive natural products. Brazil has a rich biodiversity of plant species, including those reported as being endemic. Among the endemic Brazi...

Frecuencia, susceptibilidad antimicrobiana y patrón de adherencia de Salmonella enterica aislada de carne de pollo, res y cerdo de la Ciudad de México

Rev. chil. infectol; 34 (5), 2017
Resumen Introducción: Los alimentos de origen animal frecuentemente están implicados en brotes de salmonelosis. Objetivo: Evaluar la frecuencia de Salmonella enterica en carnes molidas de pollo, res y cerdo (un total de 2.592 muestras) obtenidas de mercados sobre ruedas y supermercados de la Delegaci...