2005年深圳市人民医院革兰阴性杆菌耐药性监测

Surveillance of antimicrobial resistance in gram-negative bacilli isolated from Shenzhen People's Hospital in 2005

目的监测我院2005年临床分离革兰阴性杆菌对各类抗菌药物耐药状况,指导临床合理使用抗菌药物。方法采用琼脂稀释法检测16种抗菌药物对224株革兰阴性杆菌MIC,数据分析采用WHONET5.3软件和卡方检验。结果大肠埃希菌和肺炎克雷伯菌产ESBLs株分别占56.3%(49/87)和34.9%(15/43)。大肠埃希菌敏感率在80%以上的药物有亚胺培南、美罗培南(100%)、阿米卡星(94.3%)和哌拉西林-他唑巴坦(90.8%);肺炎克雷伯菌敏感率较高的抗菌药物除碳青霉烯类外(100%)、还有头孢吡肟(97.7%)、哌拉西林-他唑巴坦(93%)、头孢哌酮-舒巴坦(90.7%);阴沟肠杆菌敏感率≥80%的抗菌药物有碳青霉烯类(100%)、头孢吡肟(86.7%)、阿米卡星(86.7%)和哌拉西林-他唑巴坦(80%)等。铜绿假单胞菌、鲍曼不动杆菌和嗜麦芽窄食单胞菌对多数抗菌药的耐药率较高。结论我院肠杆菌科细菌对碳青霉烯类抗生素仍最敏感,不发酵糖菌对多种抗菌药物高度耐药。

Objective To investigate the antimicrobial resistance among nosocomial gram-negative bacilli isolated from Shenzhen People′s Hospital in 2005.Methods The minimal inhibitory concentrations(MIC) of 16 antibacterial agents were determined by agar dilution method.WHONET 5.3 software and the chi-square test were used to analyze the data.Results The prevalence of extended-spectrum β-lactamases(ESBLs) was 56.3%(49/87) in Escherichia coli,and 34.9%(15/43) in Klebsiella pneumoniae,respectively.The agents with ≥80% a...