Comparison of single and combination antimicrobial agents for prevention of experimental gas gangrene caused by Clostridium perfringens.

Clicks: 177
ID: 113969
1987
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Abstract
The treatment of experimental gas gangrene caused by Clostridium perfringens was investigated by using combinations of antimicrobial agents. This study demonstrated that rifampin, penicillin, metronidazole, and clindamycin were all bactericidal against standard inocula (10(5) to 10(6) CFU). These antimicrobial agents were then administered to mice beginning 30 min after intramuscular injection of 10(9) CFU of C. perfringens type A. The highest doses used produced levels of drug in blood which exceeded the MIC by at least a factor of 40. In addition, other groups of mice received monotherapy at full dose or one-fourth full dose or combination antimicrobial therapy at full or one-fourth full dose. Among the single and combination antimicrobial treatments, metronidazole alone, clindamycin alone, and clindamycin plus penicillin were the most efficacious (P less than 0.05). Although the survival of mice treated with clindamycin plus penicillin was greater than that of mice treated with clindamycin alone, the difference did not reach statistical significance (P greater than 0.05). In contrast, mice treated with a combination of metronidazole and penicillin demonstrated greater mortality than those treated with metronidazole alone (P less than 0.05). In summary, combination antimicrobial therapy of experimental C. perfringens infection did not improve survival compared to that achieved with metronidazole or clindamycin alone, and some combinations significantly reduced survival (P less than 0.05).
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stevens1987antimicrobialcomparison Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors D L Stevens;B M Laine;J E Mitten;D L Stevens;B M Laine;J E Mitten;
Journal Antimicrobial agents and chemotherapy
Year 1987
DOI
10.1128/AAC.31.2.312
URL
http://dx.doi.org/10.1128/AAC.31.2.312
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