Ciprofloxacin-Resistant Salmonella enterica Serotype Typhi, United States, 1999–2008
نویسندگان
چکیده
We report 9 ciprofloxacin-resistant Salmonella enterica serotype Typhi isolates submitted to the US National Antimicrobial Resistance Monitoring System during 1999-2008. The first 2 had indistinguishable pulsed-field gel electrophoresis patterns and identical gyrA and parC mutations. Eight of the 9 patients had traveled to India within 30 days before illness onset.
منابع مشابه
Decreased susceptibility to ciprofloxacin in Salmonella enterica serotype typhi, United Kingdom.
In 1999, 23% of Salmonella enterica serotype Typhi isolates from patients in the United Kingdom exhibited decreased susceptibility to ciprofloxacin (MIC 0.25-1.0 mg/L); more than half were also resistant to chloramphenicol, ampicillin, and trimethoprim. Increasing numbers of treatment failures have been noted. Most infections have been in patients with a recent history of travel to India and Pa...
متن کاملClinical response and outcome of infection with Salmonella enterica serotype Typhi with decreased susceptibility to fluoroquinolones: a United States foodnet multicenter retrospective cohort study.
Patients with typhoid fever due to Salmonella enterica serotype Typhi strains for which fluoroquinolones MICs are elevated yet that are classified as susceptible by the current interpretive criteria of the Clinical and Laboratory Standards Institute may not respond adequately to fluoroquinolone therapy. Patients from seven U.S. states with invasive Salmonella serotype Typhi infection between 19...
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BACKGROUND Enteric fever is a major public health problem in India. The current treatment of choice is the fluoroquinolones. METHODS The minimum inhibitory concentration (MIC) of ciprofloxacin was determined by E-test, HIMEDIA HiComb MIC test and agar dilution. RESULTS An isolate of Salmonella enterica serovar Typhi (S. Typhi) from a case of enteric fever gave a ciprofloxacin MIC of 64 micr...
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Enteric fever prevails as a major public health problem despite the use of antimicrobials due to the emergence of drug resistance. The present study was undertaken to find out the antimicrobial susceptibility pattern of Salmonella isolates from our region. Antimicrobial susceptibility testing for six drugs chloramphenicol (30μg), amoxicillin (10μg), cotrimoxazole (1.25/23.75μg), nalidixic acid ...
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عنوان ژورنال:
دوره 17 شماره
صفحات -
تاریخ انتشار 2011