压力蒸汽灭菌化学指示卡监测质量的有效性探讨

Effect of Chemical Indication Cards of Pressure-steam Sterilization on Quality Monitoring

目的监测不同品牌压力蒸汽灭菌化学指示卡进行灭菌质量判定的有效性。方法选择4种不同品牌压力蒸汽灭菌化学指示卡,在确认脉动真空压力蒸汽灭菌器在正常灭菌程序,灭菌性能合格的前提下,模拟实验一组和实验二组为物理监测提示灭菌失效模式及对照组为正常灭菌状态模式进行化学指示卡监测与生物监测,并对监测结果进行比较分析。结果实验一组生物监测合格率为0,其中2种品牌压力蒸汽灭菌化学指示卡显示合格率为56%、67%;实验二组生物监测合格率为22%,其中2种品牌压力蒸汽灭菌化学指示卡显示合格率100%;对照组全部达到灭菌合格标准,与生物监测结果一致。结论在温度、时间、蒸汽压力、蒸汽饱和度不达标状况下,化学指示卡监测结果的有效性与生物监测结果存在差异。提示进行灭菌质量判定时不能仅凭化学监测结果,需要更关注物理监测参数和生物监测结果,以免因仅观察化学监测而造成最终结果合格的假象。

Objective To evaluate the effect of different brands of pressure steam sterilization chemical indicator cards on sterilization quality.Methods Based on the premise that the pulsation vacuum pressure steam sterilizer was in normal state and with qualified sterilization performance,involving four different brands of pressure steam sterilization chemical indicator cards,the study included two experiment groups with physical monitoring prompt indicating sterilization failure modes and control group with biological monitoring and monitoring with chemical indicator cards under normal sterilization condition,and the monitoring results were compared.Results In experiment group one,qualified rate of biological monitoring was 0,of which two brands of pressure steam sterilization chemical indicator cards showed the qualified rate were 56%,67% respectively while in experiment group two,qualified rate of biological monitoring was 22%,of which two brands of pressure steam sterilization chemical indicator cards showed both the qualified rates were 100%;in control group,all the monitorings met sterilization qualified standard,which were consistent with biological monitoring.Conclusion Under the condition that time,temperature,steam pressure,steam saturation were not up to the standard conditions,there is a significant difference between the results of pressure steam sterilization chemical indicator card monitoring and biological monitoring.Sterilization quality is determined not only by the monitoring results of the chemical card,but by physical parameters and biological monitoring results