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Clin Infect Dis. 1995 Apr;20(4):1048-51.

High-level resistance to aminoglycosides: comparison of community and nosocomial fecal isolates of enterococci.

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Departments of Internal Medicine and of Microbiology and Molecular Genetics, University of Texas Medical School, Houston, USA.


Fecal carriage of enterococci highly resistant to streptomycin, gentamicin, and kanamycin was examined in 64 healthy volunteers with no exposure to hospitals and in 53 hospitalized individuals. High-level resistance to streptomycin and gentamicin was found in fecal specimens from 3% and 0, respectively, of the healthy volunteers and in fecal specimens from 41% and 15%, respectively, of the hospitalized individuals. We found that high-level resistance to kanamycin was also more common among hospitalized individuals than among healthy volunteers (36% vs. 17%). The frequent occurrence of high-level resistance to kanamycin in fecal isolates confirms that amikacin is a poor choice when attempting to achieve synergistic therapy for enterococcal infections, in particular for those infections that are nosocomially acquired.

[Indexed for MEDLINE]

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