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Revista Ciencias de la Salud
versión impresa ISSN 1692-7273
Resumen
COUTINHO, Henrique D. M et al. Comparative Evaluation of the Modulation of Antibiotic-Activity against Strains of Escherichia coli and Staphylococcus aureus. Rev. Cienc. Salud [online]. 2015, vol.13, n.3, pp.345-354. ISSN 1692-7273. https://doi.org/10.12804/revsalud13.03.2015.02.
Introduction: Combining multiple drugs is an strategy used to combat the dissemination of pathogenic and drug resistant bacteria. However, the misuse of these drugs against bacteria have caused the selection of more resistant specimens called multidrug-resistant bacteria. Objective: In this work we evaluated the antibiotic activity of claritromicin, gentamicin, ciprofloxacin and imipenen, alone or associating one by one, against strains of Escherichia coli and Staphylococcus aureus. Material and methods: The minimal inhibitory concentration (mic) was performed using the microdilution assay. Based in the mic values, the antibiotic effect of the drugs alone and in association were determined. Results: The association between the drugs demonstrated the synergism against the bacterial strains. Conclusion: The use of the combined antibiotic-therapy can be positively performed, but additional studies have to be conducted first for proving that its use is safe.
Palabras clave : Resistance to antibiotics; Microbiological activity; Association between antibiotics; Antimicrobial activity.