Antibiotic Susceptibility of Haemophilus vaginalis (Corynebacterium vaginale) to 21 Antibiotics
AUTOR(ES)
McCarthy, Laurence R.
RESUMO
A total of 56 strains of Haemophilus vaginalis were tested for their in vitro susceptibility to 21 antimicrobial agents by an agar dilution method. All strains were inhibited by 1 μg or less of penicillin, ampicillin, carbenicillin, and vancomycin per ml. The cephalosporins were less active; 4 μg of cefazolin per ml, 16 μg of cephalothin per ml, or 128 μg of cephalexin per ml was required to inhibit all strains. Kanamycin, gentamicin, tobramycin, and neomycin were relatively inactive against H. vaginalis. All strains were inhibited by 4 μg of streptomycin per ml and 2 μg of chloramphenicol per ml. Only 57% of the strains were inhibited by 4 μg of tetracycline per ml, whereas 43% were inhibited by 16 to 64 μg/ml. The combination sulfamethoxazole/trimethoprim was relatively inactive against H. vaginalis. All strains tested exhibited minimal inhibitory concentrations of ≥128 μg when tested against colistin, nalidixic acid, and sulfadiazine. Erythromycin and clindamycin were the most active of the antibiotics tested; for all strains the minimal inhibitory concentrations were ≤0.06 μg/ml.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=352819Documentos Relacionados
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