Detection of resistence to the association of amoxicilline-clavulanate in Salmonella and Shigella

Elisenda Miró, Beatriz Mirelis, Ferran Navarro, Guillermo Prats

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Abstract

PURPOSE: To study the emergence of amoxicilline/clavulanate resistance in Salmonella and Shigella. MATERIAL AND METHODS: We have studied 118 strains of Salmonella enterica and 11 strains of Shigella flexneri isolated in our laboratory along 1993. The MICs values for amoxicilline/clavulanate were determinated by the E-Test method and confirmed by the standard agar dilution method. RESULTS: We have observed that 6% (7 out of 118 strains) of Salmonella enterica and 42% (5 out of 11 strains) of Shigella flexneri isolates exhibited an intermediate susceptibility or were resistant to amoxicilline/clavulanate with MICs values ranging between 16 mg/l and 32 mg/l. CONCLUSIONS: Along 1993 we have detected the emergence of an amoxicilline/clavulanate resistance in salmonellae and shigellae strains. To our knowledge this fact has not been published up to now (Medline, 1990-October 1994). We don't know the clinical importance of this fact.
Original languageEnglish
Pages (from-to)31-33
JournalEnfermedades Infecciosas y Microbiologia Clinica
Volume14
Issue number1
Publication statusPublished - 1 Jan 1996

Keywords

  • Clavulanate
  • Resistance
  • Salmonella

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