[Determination of the sensitivity of bacteria to antibiotics by an agar diffusion method and use of the API ATB system: a comparative study].
130 bacterial strains were studied for their antibiotics sensitivity by an agar diffusion method and using API ATB System: 50 Enterobacteriaceae, 12 other Gram negative bacilli, 48 Staphylococci and 20 Streptococci. The results concurred in 83 p. cent of the cases. Discrepancies were essentially observed for coagulase negative Staphylococci and Streptococci. Strains appeared more resistant by API ATB System than by the agar diffusion method. Discrepancies mostly concerned beta-lactam antibiotic sensitivity for Gram negative bacilli or aminoglycosides and macrolides sensitivity for Staphylococci. They also concerned sulfamides and trimethoprim sensitivity for all bacterial species.
Reynaud
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AE
Laboratoire de Bactériologie A, Nantes.
Coude du Foresto
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B
Courtieu
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AL
D015169:Colony Count, Microbial; D003470:Culture Media; D004755:Enterobacteriaceae / Q000187:drug effects*; D006090:Gram-Negative Bacteria / Q000187:drug effects*; D008826:Microbial Sensitivity Tests / Q000379:methods; D013210:Staphylococcus / Q000187:drug effects*; D013291:Streptococcus / Q000187:drug effects*
D003470:Culture Media
Détermination de la sensibilité des bactéries aux antibiotiques par méthode de diffusion en gélose et utilisation de galeries API ATB: étude comparative.