革兰阴性杆菌对四种氟喹诺酮药物体外耐药监测

JOURNAL OF HUAIHAI MEDICINE(2005)

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Abstract
目的了解革兰阴性杆菌(G-)对环丙沙星,左氧氟沙星,氧氟沙星,罗美沙星体外抗菌活性,为临床用药提供依据.方法采用K-B纸片法,对分离出的256株菌株进行耐药性监测,并用标准菌株进行监控,以NCCLS标准进行结果判读.结果大肠埃希菌对4种氟喹诺酮类药物有55%以上的耐药率.除铜绿假单胞菌外革兰阴性杆菌对左氧氟沙星的耐药率均低于其他3种药物,克雷伯菌、铜绿假单胞菌、不动杆菌对环丙沙星耐药率在30.76%~33.33%.结论 G-杆菌对氟喹诺酮类药物有交叉耐药现象,医生应不断参考本地区细菌耐药变化,最大限度发挥氟喹诺酮药物的作用.
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