Ciprofloxacin-resistant Escherichia coli emerging in a rehabilitation medical center

A retrospective review of laboratory records from 1988 to 1996 has shown an increased rate of ciprofloxacin-resistant (cip r) Escherichia coli in our rehabilitation center. Resistance increased from 0.6% in 1989 to 5.9% in 1996. Of 7870 E. coli strains isolated during this period, 257 cip r- E. coli...

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Veröffentlicht in:Diagnostic microbiology and infectious disease 1997-11, Vol.29 (3), p.133-138
Hauptverfasser: Canawati, Hanna N., El-Farra, Rula, Seymour, Judith, Shimashita, John, Dunn, Donald, Montgomerie, John Z.
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container_end_page 138
container_issue 3
container_start_page 133
container_title Diagnostic microbiology and infectious disease
container_volume 29
creator Canawati, Hanna N.
El-Farra, Rula
Seymour, Judith
Shimashita, John
Dunn, Donald
Montgomerie, John Z.
description A retrospective review of laboratory records from 1988 to 1996 has shown an increased rate of ciprofloxacin-resistant (cip r) Escherichia coli in our rehabilitation center. Resistance increased from 0.6% in 1989 to 5.9% in 1996. Of 7870 E. coli strains isolated during this period, 257 cip r- E. coli were recovered from 257 patients. The majority (96%) of these resistant strains were isolated from the urine samples. One hundred and twenty strains of cip r- E. coli were also resistant to four other fluoroquinolones. MICs ranging from 64 to 512 μg/mL were observed in 75% of the strains and ≥1028 μg/mL in 6.4% of the strains. Resistance to ciprofloxacin was due to possible mutations in topoisomerase gyrA.
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subjects Anti-Infective Agents - pharmacology
Antibacterial agents
Antibiotics. Antiinfectious agents. Antiparasitic agents
Bacteriology
Bacteriuria - drug therapy
Bacteriuria - epidemiology
Bacteriuria - microbiology
Biological and medical sciences
Ciprofloxacin - pharmacology
DNA Gyrase
DNA Topoisomerases, Type II - genetics
Drug Resistance, Microbial
Escherichia coli - drug effects
Escherichia coli - enzymology
Escherichia coli - genetics
Escherichia coli Infections - drug therapy
Escherichia coli Infections - epidemiology
Escherichia coli Infections - microbiology
Fundamental and applied biological sciences. Psychology
Genes, Bacterial
Humans
Los Angeles - epidemiology
Medical sciences
Microbial Sensitivity Tests
Microbiology
Mutation
Pathogenicity, virulence, toxins, bacteriocins, pyrogens, host-bacteria relations, miscellaneous strains
Pharmacology. Drug treatments
Rehabilitation Centers
Retrospective Studies
Time Factors
title Ciprofloxacin-resistant Escherichia coli emerging in a rehabilitation medical center
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