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KMID : 0043319890120020114
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Archives of Pharmacal Research
1989 Volume.12 No. 2 p.114 ~ p.118
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Antipseudomonal Activity and Nephrotoxicity of Cephradine-Netilmicin Combination
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El Emam MA
El Naggar WA/Ibrahiem TM
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Abstract
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The effects of intraperitoneal injections of cephradine in a dose of 75mg/kg and netilmicin in dose of 50mg/kg and their combination on creatinine and urea serum levels of rabbits were studied as well as the antipseudomonal activity against three multiresistant clinicial isolates. The antibacterial activity was investigated by two methods: Checkerboard titration method and time-kill studies. Finally, the antibacterial activity of the sera obtained from the rabbits receiving the used drugs in the previous regimen was studied using time-kill study method against Pseudomonas aeruginosa isolates. Results obtained from this study indicated that both creatinine and urea serum levels of the rabbits receiving both drugs were not significantly different from those of the rabbits receiving either cephradine or netilmicin alone. At the same time the in vitro antibactrial activity (either of the prepared solutions of the used drugs and their combination or of the sera obtained from the rabbits receiving these drugs as mentioned before) showed a synergistic effect against the tested strains of Pseudomonas aeruginosa
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