Three cases of ciprofloxacin treatment failure in imported typhoid fever |
Dae-Bum Kim, Si-Hyun Kim, Su-Jin Oh, Dong Kyu Kim, Su-Mi Choi, Myungshin Kim, Wan-Shik Shin |
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시프로프록사신에 반응하지 않은 해외유입 장티푸스 3예 |
김대범·김시현·오수진·김동규·최수미·김명신·신완식, Si-Hyun Kim, Su-Jin Oh, Dong Kyu Kim, Su-Mi Choi, Myungshin Kim, Wan-Shik Shin |
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Abstract |
Recently, the role of ciprofloxacin in the empirical treatment of typhoid fever has been limited with the increased incidence of nalidixic
acid-resistant Salmonella enterica serovar Typhi in South-central and Southeast Asia, as well as multidrug-resistant strains.
We experienced three cases of imported typhoid fever that did not respond to ciprofloxacin. All of the blood isolates were susceptible
to ciprofloxacin in vitro, but the patients failed to achieve clinical improvement with ciprofloxacin and were treated with ceftriaxone
or azithromycin. Although nalidixic acid-resistant strains may be reported as susceptible to ciprofloxacin on disk diffusion
tests, they frequently show a poor clinical response to ciprofloxacin because of the increased minimum inhibitory concentration of
ciprofloxacin. Therefore, if clinical improvement is delayed or fails with ciprofloxacin, imported typhoid fever from South-central
or Southeast Asia should be considered as being due to nalidixic acid-resistant strains and should be treated with high-dose ciprofloxacin,
ceftriaxone, or azithromycin. (Korean J Med 77:377-381, 2009) |
Key Words:
Typhoid fever; Drug resistance; Nalidixic acid; Ciprofloxacin |
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