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医院污水和城市污水中大肠菌群的耐药性

Drug resistance of coliform bacteria in hospital and city sewage.

作者信息

Grabow W O, Prozesky O W

出版信息

Antimicrob Agents Chemother. 1973 Feb;3(2):175-80. doi: 10.1128/AAC.3.2.175.

Abstract

The number and properties of drug-resistant coliform bacteria in hospital and city sewage were compared. There was little difference in the counts of organisms with nontransferable resistance to one or more of 13 commonly used drugs. An average of 26% of coliforms in hospital waste water had transferable resistance to at least one of the drugs ampicillin, chloramphenicol, streptomycin, sulfonamide, or tetracycline as compared to an average of 4% in city sewage. R(+) bacteria in the hospital discharge were also resistant to a broader spectrum of drugs than those in city sewage. In both effluents, the occurrence of fecal Escherichia coli among R(+) coliforms was twice as high as among coliforms with nontransferable resistance. Resistance was transferable to Salmonella typhi, and such drug-resistant pathogens in the water environment could be of particular concern. The significance of the results with regard to environmental pollution with R(+) bacteria and the dissemination of these organisms is discussed.

摘要

对医院污水和城市污水中耐药性大肠菌群细菌的数量及特性进行了比较。对13种常用药物中一种或多种具有不可转移耐药性的微生物数量差异不大。医院废水中平均26%的大肠菌群对氨苄青霉素、氯霉素、链霉素、磺胺类药物或四环素中的至少一种具有可转移耐药性,相比之下,城市污水中的这一比例平均为4%。医院排放物中的R(+)细菌对药物的耐药谱也比城市污水中的更广泛。在两种污水中,R(+)大肠菌群中粪源大肠杆菌的发生率是具有不可转移耐药性的大肠菌群中的两倍。耐药性可转移至伤寒沙门氏菌,水环境中这类耐药病原体可能尤其令人担忧。讨论了这些结果对于R(+)细菌造成环境污染及这些微生物传播的意义。

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