无醇双胍手消毒液在医院CSSD应用效果观察

Observation on the effect of alcohol-free biguanide hand disinfectant in of a hospital CSSD

目的观察一种盐酸聚六亚甲基双胍手消毒液用于医院消毒供应中心(CSSD)人员手消毒效果。方法采用悬液定量杀菌试验方法和现场调查法,对该双胍类手消毒液用于医院CSSD人员手消毒效果及满意度进行观察。结果该手消毒液含聚六亚甲基双胍盐酸盐5 300 mg/L,为不含醇的水溶液。用该手消毒液原液作用0. 5 min,对悬液内金黄色葡萄球菌、铜绿假单胞菌和大肠杆菌的杀灭对数值均> 5. 00,对悬液内白色念珠菌的杀灭对数值> 4. 00。用该手消毒液原液擦拭消毒双手,对手上自然菌杀灭对数均值> 1. 00。经调查,医院CSSD使用者均觉得手感满意。结论该双胍类手消毒液对细菌繁殖体和真菌具有快速杀灭效果,对CSSD人员手消毒效果符合卫生手消毒要求,手感满意。

Objective To observe the disinfection effect of polyhexamethylene biguanidine hydrochloride hand antisepsis used in hospital central sterile supply department(CSSD).Methods Using suspension quantitative disinfection test method and on-site investigation method,the disinfection effect and satisfaction of this biguanide hand disinfectant used in staff of hospital CSSD were observed.Results The hand disinfectant contained 5 300 mg/L polyhexamethylene biguanide hydrochloride,which was an alcohol-free aqueous solution.With the stock solution of hand disinfectant for 0.5 min,the killing logarithmic values of Staphylococcus aureus,Pseudomonas aeruginosa and Escherichia coli in suspension were all>5.00,and the killing logarithmic value of Candida albicans in suspension was>4.00.The killing logarithmic mean value of natural bacteria was>1.00 by wiping hands with the stock solution of hand disinfectant.The CSSD users of the surveyed hospitals were satisfied.Conclusion The biguanide hand disinfectant has a rapid killing effect on bacterial propagules and fungi.The disinfection effect on CSSD personnel is satisfactory and can meet the requirements of sanitary hand disinfection.