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Lookup NU author(s): Juliana Ramacciato, Dr John Meechan
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This study sought to determine the antimicrobial susceptibility of Staphylcoccus aureus and viridans group streptococci strains collected from the forearm skin and saliva of 30 patients at high risk of endocarditis. Agar susceptibility tests of antibiotics routinely utilized in dentistry were used to verify antimicrobial resistance of bacterial strains. Of the Staphylcoccus aureus strains, 50% were resistant to ampicillin, 53.3% to amoxicillin, 60.0% to penicillin G, 13.3% to amoxicillin/clavulanate, 20.0% to azithromycin, 27.6% to clarithromycin, 23.3% to erythromycin, 3.3% to cefazolin, and 6.7% to clindamycin. Regarding streptococci, 16.7% of the strains were resistant to ampicillin, 16.7% to amoxicillin, 23.3% to azithromycin, 23.3% to clarithromycin, 30.0% to erythromycin, 13.3% to cefazolin, 26.7% to clindamycin, 16.7% to penicillin G, and 3.3% to amoxicillin/clavulanate. Pathogens associated with bacterial endocarditis exhibited elevated resistance rates against the antibiotics used for prophylaxis in dentistry.
Author(s): Groppo FC, Castro FM, Pacheco ABND, Motta RHL, De Mattos Filho TR, Ramacciato JC, Florio FM, Meechan JG
Publication type: Article
Publication status: Published
Journal: General Dentistry
Year: 2005
Volume: 53
Issue: 6
Pages: 410-413
Print publication date: 01/11/2005
ISSN (print): 0363-6771
ISSN (electronic):
Publisher: National Center for Biotechnology Information
URL: http://www.ncbi.nlm.nih.gov/pubmed/16366048
PubMed id: 16366048
