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目的调查9所医院低温等离子灭菌效果质量,对生物监测阳性结果进行原因分析,提出有效防范措施。方法用电话沟通法收集3所三级甲等医院和6所二级甲等医院低温等离子机器购买运行开始到2014年6月为止运行状况,收集资料包括:机器品牌、运行总次数、生物监测方法、生物监测阳性率、灭菌物品发放方式、生物监测阳性原因分析及防范措施。结果 3所三级甲等医院共有4台进口低温等离子机器和1台国产机低温等离子机器,6所二级甲等医院全是国产低温等离子机器;进口低温等离子机器4台共灭菌运行7 803锅次,未出现生物监测阳性事件,生物监测阳性率为0;国产低温等离子机器有7台3种品牌,灭菌总运行3 347锅次,共出现15次生物监测阳性事件,平均阳性率为0.45%,存在感染安全隐患。结论国产等离子灭菌器因经济实惠成为基层医院的首选,基层医院可以通过加强对消毒员知识技能培训、规范操作、消除影响灭菌因素、实施每锅生物监测、并确保灭菌物品生物监测阴性后发放,才能有效杜绝安全隐患。
Objective To investigate the quality of low temperature plasma sterilization in nine hospitals, analyze the causes of positive results of biological monitoring and put forward effective preventive measures. Methods The telephone communication method was used to collect the operating status of the purchase of low-temperature plasma machines from three Grade-A hospitals and six Grade-II hospitals to June 2014. The collected information includes: machine brand, total number of operations, biological monitoring methods , The positive rate of biological monitoring, the distribution of sterilized items, the analysis of the positive results of biological monitoring and precautionary measures. Results There were 4 imported low-temperature plasma machines and 1 domestic low-temperature plasma machine in 3 tertiary first-class hospitals. All 6 secondary level A hospitals were all domestic low-temperature plasma machines. 4 low-temperature plasma machines were imported and 4 sterilization systems were operated. No positive bio-monitoring events were observed in the pan, and the positive rate of biological monitoring was 0. The domestic low-temperature plasma machines had 7 sets of 3 brands and the total number of sterilization operations was 3 347 pots. A total of 15 biological monitoring positive events were observed with an average positive rate of 0.45%, there is a security risk of infection. Conclusion Domestic plasma sterilizers have become the first choice of primary hospitals due to the economic benefits. Grassroots hospitals can strengthen their knowledge and skills training of sterilizers, standardize their operations, eliminate the factors that affect sterilization, implement biological monitoring per pot, and ensure that the biomonitoring of sterilized articles is negative After the release, in order to effectively eliminate security risks.