Abstract

Objective To investigate the effects of two different methods for the disinfection of ventilator circuits.Methods The ventilator circuits used by patients were disinfected by the soaking disinfection with 5％ available chlorine disinfectant (experimental group)and the strict program of the full automatic cleaning- disinfecting machine (control group),respectively.Samples from circuits were cultured after disinfection,and the numbers of bacterium colony forming unit (CFU) were counted.Results Comparing the exeperimental group and control group,the difference was statistically significant ( P ＜0.01 ).Conclusions The sterilizing effects of the ventilator circuits with the full automatic cleaning and disinfecting machine are more effective and safer.The machine can prevent the cross infection and standardize clinical work. Key words: Ventilator circuit; Full automatic cleaning and disinfecting machine; Cleaning; Disinfection

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