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Antimicrobial susceptibility and beta-lactamase production of anaerobic and aerobic bacteria isolated from pus specimens from orofacial infections. 2007

G Blandino, and I Milazzo, and D Fazio, and S Puglisi, and M Pisano, and A Speciale, and S Pappalardo
Department of Gynecological and Microbiological Sciences-Section of Microbiology, University of Catania, Italy. blandino@unict.it

Most suppurative orofacial infections are polymicrobial. Information regarding the antimicrobial susceptibility of the microorganisms involved can be useful in the choice of an effective antibiotic therapy. In this study we determined the antimicrobial susceptibility of a total 235 anaerobic and aerobic bacteria recently isolated from pus specimens of orofacial infections. All the viridans streptococci were susceptible to penicillin, cefotaxime, cefoxitin, imipenem and levofloxacin. Imipenem and levofloxacin were active against 100% of the anaerobic Gram-positive organisms isolated. Among the anaerobic Gram-negative rods beta-lactamase production was detected in all species except Campylobacter rectus. Amoxicillin-clavulanate, cefoxitin, imipenem and metronidazole were active against all the isolates of anaerobic Gram-negative species. Isolates resistant to erythromycin were found in all the species tested, however, resistance to clindamycin was only detected in Porphyromonas gingivalis and Bacteroides ureolyticus. Isolates resistant to levofloxacin were detected in P. gingivalis and Prevotella sp.

UI MeSH Term Description Entries
D008826 Microbial Sensitivity Tests Any tests that demonstrate the relative efficacy of different chemotherapeutic agents against specific microorganisms (i.e., bacteria, fungi, viruses). Bacterial Sensitivity Tests,Drug Sensitivity Assay, Microbial,Minimum Inhibitory Concentration,Antibacterial Susceptibility Breakpoint Determination,Antibiogram,Antimicrobial Susceptibility Breakpoint Determination,Bacterial Sensitivity Test,Breakpoint Determination, Antibacterial Susceptibility,Breakpoint Determination, Antimicrobial Susceptibility,Fungal Drug Sensitivity Tests,Fungus Drug Sensitivity Tests,Sensitivity Test, Bacterial,Sensitivity Tests, Bacterial,Test, Bacterial Sensitivity,Tests, Bacterial Sensitivity,Viral Drug Sensitivity Tests,Virus Drug Sensitivity Tests,Antibiograms,Concentration, Minimum Inhibitory,Concentrations, Minimum Inhibitory,Inhibitory Concentration, Minimum,Inhibitory Concentrations, Minimum,Microbial Sensitivity Test,Minimum Inhibitory Concentrations,Sensitivity Test, Microbial,Sensitivity Tests, Microbial,Test, Microbial Sensitivity,Tests, Microbial Sensitivity
D010510 Periodontal Diseases Pathological processes involving the PERIODONTIUM including the gum (GINGIVA), the alveolar bone (ALVEOLAR PROCESS), the DENTAL CEMENTUM, and the PERIODONTAL LIGAMENT. Parodontosis,Pyorrhea Alveolaris,Disease, Periodontal,Diseases, Periodontal,Parodontoses,Periodontal Disease
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000900 Anti-Bacterial Agents Substances that inhibit the growth or reproduction of BACTERIA. Anti-Bacterial Agent,Anti-Bacterial Compound,Anti-Mycobacterial Agent,Antibacterial Agent,Antibiotics,Antimycobacterial Agent,Bacteriocidal Agent,Bacteriocide,Anti-Bacterial Compounds,Anti-Mycobacterial Agents,Antibacterial Agents,Antibiotic,Antimycobacterial Agents,Bacteriocidal Agents,Bacteriocides,Agent, Anti-Bacterial,Agent, Anti-Mycobacterial,Agent, Antibacterial,Agent, Antimycobacterial,Agent, Bacteriocidal,Agents, Anti-Bacterial,Agents, Anti-Mycobacterial,Agents, Antibacterial,Agents, Antimycobacterial,Agents, Bacteriocidal,Anti Bacterial Agent,Anti Bacterial Agents,Anti Bacterial Compound,Anti Bacterial Compounds,Anti Mycobacterial Agent,Anti Mycobacterial Agents,Compound, Anti-Bacterial,Compounds, Anti-Bacterial
D001420 Bacteria, Aerobic Bacteria which require oxygen in order to grow and survive. Aerobic Bacteria
D001421 Bacteria, Anaerobic Bacteria that can survive and grow in the complete, or nearly complete absence of oxygen. Anaerobic Bacteria
D001424 Bacterial Infections Infections by bacteria, general or unspecified. Bacterial Disease,Bacterial Infection,Infection, Bacterial,Infections, Bacterial,Bacterial Diseases
D001618 beta-Lactamases Enzymes found in many bacteria which catalyze the hydrolysis of the amide bond in the beta-lactam ring. Well known antibiotics destroyed by these enzymes are penicillins and cephalosporins. beta-Lactamase,beta Lactamase,beta Lactamases
D013492 Suppuration A pathologic process consisting in the formation of pus. Pus
D014076 Tooth Diseases Diseases involving the TEETH. Disease, Tooth,Diseases, Tooth,Tooth Disease

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