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Laboratorial findings of Streptococcus keratitis and conjunctivitis

Helena Parente Solari Luciene Barbosa de Sousa Denise de Freitas Maria Cecília Zorat Yu Ana Luisa Höfling-Lima About the authors

PURPOSE: To evaluate laboratorial findings of Streptococcus keratitis and conjunctivitis, analyzing the different species and the results of bacterial susceptibility to an antibiotics. METHODS: Retrospective study of the records from the External Disease Laboratory of the Ophthalmology Department of the Federal University of São Paulo, with conjunctival or corneal positive bacterial culture for Streptococcus sp, between January 1995 and December 2001. The collected data were age, Streptococcus species and the bacterial susceptibility to the following antibiotics: cephalotin, amikacin, gentamicin, tobramicin, ciprofloxacin, lomefloxacin, ofloxacin, norfloxacin and vancomicin. RESULTS: The most frequent species were Streptococcus pneumoniae and Streptococcus viridans. Regarding bacterial susceptibility to antibiotics we found a higher susceptibility to the following antibiotics: cephalotin, quinolones and vancomicin. CONCLUSIONS: Considering the commercially available topic antibiotics, the quinolones presented better results when compared to the aminoglycosides.

Conjunctivitis, bacterial; Conjunctivitis, bacterial; Keratitis; Keratitis; Eye infections, bacterial; Streptococcus pneumoniae; Viridans, streptococci; Fluoroquinolones; Quinolones; Antibacterial agents

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