Susceptibility of extended-spectrum beta-lactamase-producing Escherichia coli urine isolates to fosfomycin, ciprofloxacin, amikacin and trimethoprim-sulfamethoxazole

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dc.contributor.authorPullukcu, Husnu
dc.contributor.authorAydemir, Sohret
dc.contributor.authorTasbakan, Meltem Isikgoz
dc.contributor.authorcilli, Feriha
dc.contributor.authorTunger, Alper
dc.contributor.authorUlusoy, Sercan
dc.date.accessioned2019-10-27T19:54:45Z
dc.date.available2019-10-27T19:54:45Z
dc.date.issued2008
dc.departmentEge Üniversitesien_US
dc.description.abstractAim: Urinary tract infections (UTIs) caused in particular by extended-spectrum beta-lactamase (ESBL)producing Escherichia coli strains are related with high morbidity and mortality, and treatment is quite difficult. These infections generally are treated by carbapenems, and their costs are high. We aimed in this study to investigate the susceptibilities of ESBL-producing E. coli strains isolated from urine cultures to fosfomycin, ciprofloxacin, amikacin and trimethoprim-sulfamethoxazole and to determine the general resistance profile in our region of these strains isolated from UTIs. Materials and Methods: Between January 2005-December 2005, ESBL-producing E coli strains isolated from urine samples sent from various outpatient and inpatient clinics to the Bacteriology Laboratory of the Department of Microbiology and Clinical Microbiology were included prospectively in the study. ESBL production was detected using the double disk synergy test. Antibiotic susceptibility testing was performed for ESBL-producing isolates by disk diffusion test according to Clinical and Laboratory Standards Institute (CLSI) criteria. Escherichia coli ATCC 35218 and ATCC 25922 were used as control strains. The diagnosis of nosocomial UTIs was established according to the Centers for Disease Control and Prevention criteria. The data were assessed using the SPSS 11.0 packet program. Results: A total of 344 ESBL-producing E. coli isolates (241 nosocomial isolates; 103 outpatient isolates) were included in the study. The rates of resistance were 3.5% for fosfomycin, 76.5% for ciprofloxacin, 11% for amikacin, and 74.4% for trimethoprim-sulfamethoxazole. While resistance rates of nosocomial strains were 4.1%, 81.3%, 11.2%, and 71%, respectively, resistance rates of the strains isolated from outpatients were 1.9%, 65%, 10.7%, and 82.5%, respectively. There were statistically significant differences between the two groups for ciprofloxacin and trimethoprim-sulfamethoxazole. Conclusions: Because of the high antibiotic resistance rates in our country, we think that fosfomycin and amikacin may have priority in the treatment of non-complicated UTIs caused by ESBL-producing E. coli strains due to ease of use and high concentration in the urine.en_US
dc.identifier.endpage180en_US
dc.identifier.issn1300-0144
dc.identifier.issue2en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage175en_US
dc.identifier.urihttps://hdl.handle.net/11454/40566
dc.identifier.volume38en_US
dc.identifier.wosWOS:000254702300013en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakTR-Dizinen_US
dc.language.isoenen_US
dc.publisherTubitak Scientific & Technical Research Council Turkeyen_US
dc.relation.ispartofTurkish Journal of Medical Sciencesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjecturinary tract infectionsen_US
dc.subjectESBLen_US
dc.subjectEscherichia colien_US
dc.subjectfosfomycinen_US
dc.titleSusceptibility of extended-spectrum beta-lactamase-producing Escherichia coli urine isolates to fosfomycin, ciprofloxacin, amikacin and trimethoprim-sulfamethoxazoleen_US
dc.typeArticleen_US

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