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  • Title: [Survey of sensitivities of clinical isolates to antibacterial agents (annual report)].
    Author: Igari J, Inoue M, Nishino T, Watanabe N, Uehara N, Yoshida H, Imafuku Y, Shibano T, Satou S, Kobayashi I, Takahashi A, Yomoda S, Oguri T, Kumasaka K, Okada J, Hirata Y, Uchida K, Kawaguchi R, Ohtaki Y, Ishigo S, Okamoto E, Murakami E, Matsuoka K, Tokuda K, Saeki H.
    Journal: Jpn J Antibiot; 1997 Aug; 50(8):683-703. PubMed ID: 9339395.
    Abstract:
    Research groups were formed in 20 institutions nationwide to investigate carbapenem resistance of clinical isolates. Activities of various antibacterial agents, principally carbapenems, were tested against clinical isolates collected from these institutions. The broth microdilution method was used to determine the minimum inhibitory concentrations (MICs) of 17 antibacterial agents for 1,326 strains of 11 bacterial species isolated at the institutions between October and December 1994. The results are as follows: 1. Carbapenems exhibited strong antibacterial activities against MSSA and Streptococcus pneumoniae. Their activities against Enterococcus faecalis were comparable to that of ABPC. Carbapenems showed low activities against MRSA. 2. OFLX exhibited the greatest antibacterial activity against Haemophilus influenzae, followed by MEPM. Antibacterial activities of the other carbapenems were comparable to those of FMOX, CTM, and ABPC. 3. The carbapenems showed high activities against Escherichia coli, Klebsiella pneumoniae, Enterobacter cloacae, and Bacteroides fragilis group. Their activities were greater than those exhibited by other beta-lactam antibacterial agents. The carbapenems also exhibited stronger antibacterial activities against Serratia marcescens than the other beta-lactam antibacterial agents, but some resistant strains were detected. 4. The antibacterial activities of carbapenems against Pseudomonas aeruginosa were comparable to those of CAZ, AZT, AMK.
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