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Successful Treatment with Ampicillin and Fluoroquinolones of Human Endocarditis due to High-Level Gentamicin-Resistant Enterococci

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European Journal of Clinical Microbiology and Infectious Diseases Aims and scope Submit manuscript

Abstract

 Two cases of endocarditis, one caused by high-level gentamicin-resistant Enterococcus durans and the other by high-level gentamicin- and glycopeptide-resistant Enterococcus faecalis, successfully treated with a combination of ampicillin and a fluoroquinolone are reported. Both strains were susceptible to ampicillin. Enterococcus faecalis was susceptible to ciprofloxacin and to ofloxacin, but Enterococcus durans was moderately resistant to these agents. Microbiological and clinical cure was obtained with a 6-week course of ampicillin plus ciprofloxacin in one case and with ofloxacin in the second case due to intolerance to ciprofloxacin. The efficacy of the treatment was predicted in vitro by time-kill studies and by adequate serum bactericidal titres.

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Tripodi, M., Locatelli, A., Adinolfi, L. et al. Successful Treatment with Ampicillin and Fluoroquinolones of Human Endocarditis due to High-Level Gentamicin-Resistant Enterococci. EJCMID 17, 734–736 (1998). https://doi.org/10.1007/s100960050171

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