Changing pattern of the antimicrobial susceptibilities of Escherichia coli in neonatal infections

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Abstract

Five infants with E. coli meningitis failed to respond to kanamycin therapy. Review of kanamycin susceptibilities of E. coli isolated from blood cultures of neonates at Parkland Memorial Hospital revealed 6 per cent resistance from 1963 to 1968, and 27 per cent resistance during the past 3 years. The antimicrobial susceptibilities of 520 E. coli from 7 nurseries in North America were studied. A significant number of strains were resistant to kanamycin, streptomycin, and ampicillin: kanamycin, 14 to 34 per cent (mean 27 per cent); streptomycin, 20 to 50 per cent (mean 34 per cent); and ampicillin, 7 to 35 per cent (mean 23 per cent). In contrast, 0 to 8 per cent (mean 4 per cent) of E. coli were resistant to gentamicin and 0 to 13 per cent (mean 5 per cent) to polymyxin B.

Original languageEnglish (US)
Pages (from-to)942-947
Number of pages6
JournalThe Journal of Pediatrics
Volume78
Issue number6
DOIs
Publication statusPublished - 1971

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ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

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