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Prevalence and antimicrobial resistance of extended-spectrum β-lactamases-producing Escherichia coli and Klebsiella pneumoniae strains isolated in a university hospital in Split, Croatia / Prevalencia y resistencia antimicrobiana de cepas de Escherichia coli y Klebsiella pneumoniae productoras de β-lactamasas de espectro extendido aisladas en un hospital universitario de Split (Croacia)
Tonkic, Marija; Goic Barisic, Ivana; Punda-Polic, Volga.
Affiliation
  • Tonkic, Marija; Split University Hospital. Department of Clinical Microbiology. Split. Croatia
  • Goic Barisic, Ivana; Split University Hospital. Department of Clinical Microbiology. Split. Croatia
  • Punda-Polic, Volga; Split University Hospital. Department of Clinical Microbiology. Split. Croatia
Int. microbiol ; 8(2): 119-124, jun. 2005. tab
Article in En | IBECS | ID: ibc-040078
Responsible library: ES1.1
Localization: ES1.1 - BNCS
ABSTRACT
The prevalence of Escherichia coli and Klebsiella pneumoniae that produce extended-spectrum β-lactamases (ESBL) was investigated in patients of a university hospital in Split, Croatia. Patients were grouped according to age (pediatric vs. adult), antibiotic type, and hospital ward. From Jan. 2001 to Dec. 2002, the susceptibility of E. coli and K. pneumoniae isolates to antimicrobials was tested. ESBL production was assayed using the double-disk synergy test. ESBL-producing E. coli and K. pneumoniae were detected in all sites of infection sampled. The percentages of ESBL-positive isolates were higher in the pediatric wards than in the adult wards. The antibiotics most commonly prescribed to patients in all hospital wards belonged to the third-generation cephalosporin group. Among ESBL producers, E. coli isolates were more resistant to aminoglycosides, but less resistant to ciprofloxacin and cotrimoxazole. Resistance of E. coli and K. pneumoniae to ciprofloxacin was exclusively found in isolates from adult patients. None of the isolates, regardless of ESBL production, was resistant to carbapenemes. In addition, the prevalence and antimicrobial resistance of ESBL-producing E. coli and K. pneumoniae isolates differed between pediatric and adult patients (AU)
RESUMEN
Se ha investigado la frecuencia de Escherichia coli y Klebsiella pneumoniae productoras de β-lactamasas de espectro extendido (ESBL) en pacientes de un hospital universitario de Split (Croacia). Los pacientes se agruparon en relación con la edad, el tipo de antibiótico recetado y la ubicación en el hospital. Desde enero de 2001 a diciembre de 2002 se realizaron ensayos de susceptibilidad a antimicrobianos en aislados de E. coli y K. pneumoniae. La producción de ESBL fue ensayada mediante tests de sinergia de disco doble. En todos los lugares de infección se detectaron aislados de E. coli y K. pneumoniae productores de ESBL. En las salas de pediatría se detectaron los porcentajes más elevados de ESBL-positivos. Los antibióticos más recetados en el hospital fueron las cefalosporinas de tercera generación. Entre los aislados productores de ESBL, los de E. coli fueron más resistentes a los aminoglicósidos, pero menos a ciprofloxacina y cotrimoxazol. Sólo se halló resistencia de E. coli y K. pneumoniae a la ciprofloxacina en aislados obtenidos de pacientes adultos. Ningún aislado, independientemente de la producción de ESBL, fue resistente a los carbapenemos. Se hallaron diferencias en la incidencia y resistencia antimicrobiana de los aislados de E. coli y K. pneumoniae productores de ESBL entre pacientes pediátricos y pacientes adultos (AU)
Subject(s)
Full text: Available Collection: National databases / Spain Health context: Neglected Diseases Health problem: Neglected Diseases / Zoonoses Database: IBECS Main subject: Beta-Lactam Resistance / Escherichia coli / Klebsiella pneumoniae / Anti-Bacterial Agents Type of study: Prevalence study / Risk factors / Screening study Limits: Humans Language: English Journal: Int. microbiol Year: 2005 Document type: Article Institution/Affiliation country: Split University Hospital/Croatia
Full text: Available Collection: National databases / Spain Health context: Neglected Diseases Health problem: Neglected Diseases / Zoonoses Database: IBECS Main subject: Beta-Lactam Resistance / Escherichia coli / Klebsiella pneumoniae / Anti-Bacterial Agents Type of study: Prevalence study / Risk factors / Screening study Limits: Humans Language: English Journal: Int. microbiol Year: 2005 Document type: Article Institution/Affiliation country: Split University Hospital/Croatia
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