Sensibilidad antibiótica de cepas de Corynebacterium macginleyi productoras de conjuntivitis
2010
Introduction. Lipophilic corynebacteria are part of the
saprophytic skin flora and they rarely cause infection. C.
macginleyi is an exception since it has been involved in
conjunctivitis and other ocular surface affections.
Material and methods. Thirty three C. macginleyi strains
were obtained from conjunctival swabs from patients with
conjunctivitis symptoms. The minimum inhibitory
concentration (MIC) for 7 antibiotics (penicillin, gentamycin,
ciprofloxacin, tetracycline, vancomycin, rifampicin and
linezolid) was tested by broth microdilution method.
Results. One strain was resistant to ciprofloxacin (MIC=
16 mg/L) and two were resistant to tetracycline (MIC= 64 y 16
mg/L). The rest of the strains were susceptible to all the
antibiotics tested.
Conclusions. At the moment, C. macginleyi does not
present a major problem due to the low resistance rates shown
in the present and other studies. However, epidemiological
surveillance of its susceptibility pattern is needed as well as an
appropriate use of topical antibiotics in order to achieve a good
infection control.
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