Abstract. MIRANDA GARCIA, Mª C.. Extended spectrum beta-lactamase – positive Escherichia coli: resistance. Sanid. Mil. [online]. , vol, n.4, pp Tratamiento de las infecciones por microorganismos productores de betalactamasas de espectro extendido: un nuevo reto terapéutico. Prevalencia de betalactamasas de espectro extendido en Escherichia coli, Klebsiella pneumoniae y Klebsiella oxytoca del Hospital Occidente de Kennedy.

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Las infecciones del tracto urinario ITU son frecuentes en la comunidad. En los aislamien-tos de E. Urinary tract infections UTI are common in the community. However, information of resistant isolates in this context is limited in Latin America. A case-control espeectro was conducted between August and December of esppectro three Colombian tertiary-care institutions.

All participating patients were asked for a urine sample. ESBL confirmatory test, antibiotic susceptibility, and molecular epidemiology were performed in these E.

Clinical and epidemiological information was recorded, rxtendido a statistical analysis was performed. Of the recruited patients, had a positive urine culture, of which grew E. The majority of ESBL isolates were susceptible to ertapenem, phosphomycin and amikacin. Most of these isolates had 8 out of the 9 analysed virulence factors. Sin embargo, a pesar del incremento sostenido en el reporte de aislamientos de E.

Existen algunos factores asociados a la presencia de ITU por bacterias productoras de BLEE en la comunidad publicados en la literatura, y entre estos destacan: Todos los pacientes enrolados dieron su consentimiento mediante un documento escrito.

Los aislados de E. Un total de 2. Los aislamientos de E. Las ITU causadas por E. En el presente estudio, E. A nivel mundial, se ha observado el aumento en la prevalencia de E.

Otro de los aspectos preocupantes del clon ST de E. Hernan Vargas y al Dr. National Center for Biotechnology InformationU. Enferm Infecc Microbiol Clin. Manuscrit de l’auteur; accessible dans PMC nov. Blancoa, b, c Juan J. Author information Copyright and License information Disclaimer.

The publisher’s final edited version betalactamaas this article is available at Enferm Infecc Microbiol Clin. See other articles in PMC that cite the published article.


Resultados De los 2.

Materials and methods Betalactamasax case-control study was conducted between August and December of in three Colombian tertiary-care institutions. Results Of the recruited patients, had a positive urine culture, of which grew E. Resultados Un total de 2. Open in a separate window. Waging war against uropathogenic Escherichia coli: Winning back the urinary tract. Epidemiology of urinary tract infections: Incidence, morbidity, and economic costs. Mechanisms of resistance to beta-lactams in some common Gram-negative bacteria causing nosocomial infections.

Expert Rev Anti Infect Ther. Escherichia coli sequence type ST as the major cause of serious multidrug-resistant E. Prevalence of beta-lactamase-encoding genes among Enterobacteriaceae bacteremia isolates collected in 26 U. The CTX-M beta-lactamase pandemic. The worldwide emergence of clone ST O Int J Antimicrob Agents.

Escherichia coli portador de betalactamasas de espectro extendido: resistencia

Resistant gram-negative infections in the outpatient setting in Latin America. Global distribution of the HRx sublineage. Dissemination of clonally related Escherichia coli strains expressing extended-spectrum beta-lactamase CTX-M Prevalence of beta-lactamase CTX-M in phylogenetic groups of uropathogenic Escherichia coli isolated from patients in the community of Merida, Venezuela. Emergence of resistance to third generation cephalosporins by Enterobacteriaceae causing community-onset urinary tract infections in hospitals in Colombia.

Frequency and diversity of CTX-M enzymes among extended-spectrum beta-lactamase-producing Enterobacteriaceae isolates from Caracas, Venezuela. Diagn Microbiol Infect Dis. Prevalence of plasmid-mediated quinolone resistance determinants among oxyiminocephalosporin-resistant Enterobacteriaceae in Argentina. Mem Inst Oswaldo Cruz. Braz J Infect Dis. Risk factors for community-onset urinary tract infections due to Escherichia coli harbouring extended-spectrum beta-lactamases.

International prospective betalacramasas of Klebsiella pneumoniae bacteremia: Implications of extended-spectrum beta-lactamase production in nosocomial Infections. A case-control study in a French teaching hospital. Am J Infect Control. Community infections caused by extended-spectrum beta-lactamase-producing Escherichia coli. Clinical and Laboratory Standards Institute; Dissemination of high-risk clones of extensively drug-resistant Pseudomonas aeruginosa dd colombia.

Phylogenetic distribution of extraintestinal virulence-associated traits in Escherichia coli. An emerging public-health concern. Extended-spectrum [beta]-lactamase producing Escherichia coli: Changing epidemiology and clinical impact. Curr Opin Infect Dis. Extended-spectrum beta-lactamases in the 21st century: Characterization, epidemiology, and detection of this important resistance threat. Resistance in gram-negative bacteria: Increased resistance to first-line agents among bacterial pathogens isolated from urinary tract infections in Latin America: Time for local guidelines?


Analysis of resistance of urinary cultures —, Roosevelt Hospital, Guatemala City. Risk factors and clinical impact of levo-floxacin or cefazolin nonsusceptibility or ESBL production among uropathogens in adults with community-onset urinary tract infections. Characterization of extended-spectrum beta-lactamases produced by Escherichia coli isolated from hospitalized and nonhospitalized patients: Emergence of CTXMproducing strains causing urinary tract infections. CTX-M-producing Escherichia coli and Klebsiella pneumoniae isolated from community-acquired urinary tract infections in Valledupar, Colombia.

Risk factors for extended-spectrum beta-lactamase positivity in uropathogenic Escherichia coli isolated from community-acquired urinary tract infections. Epidemiology and risk factors of community onset infections caused by extended-spectrum beta-lactamase-producing Escherichia coli strains. Comparison of community-onset healthcare-associated and hospital-acquired urinary infections caused by extended-spectrum beta-lactamase-producing Escherichia coli and antimicrobial activities.

Int J Clin Pract. A multinational survey of risk factors for infection with extended-spectrum beta-lactamase-producing enterobacteriaceae in nonhospitalized patients. Break-down of antibiotic prescription in health centres by infection concerned.

Nursing homes as a reservoir of extended-spectrum beta-lactamase ESBL -producing ciprofloxacin-resistant Escherichia coli. Risk factors for ciprofloxacin resistance among Escherichia coli strains isolated from community-acquired urinary tract infections in Turkey. Widespread dissemination of CTX-M 15 genotype extended spectrum beta-lactamase producing Enterobacteriaceae among patients presenting to community hospitals in Southeastern United States.

Infect Control Hosp Epidemiol.

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Epidemiology and risk factors for isolation dd Escherichia coli producing CTX-M-type extended-spectrum beta-lactamase in a large U. Determinants of extednido versus trimethoprim-sulfamethoxazole use for outpatient urinary tract infection. Phylogenetic groups and virulence factors in pathogenic and commensal strains of Escherichia coli and their association with blaCTX-M. Ann Clin Lab Sci. International clinical practice guidelines for the treatment of acute uncomplicated cystitis and pyelonephritis in women: Support Center Support Center.

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