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《Journal of Interventional Radiology》 2017-08
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Two air disinfection methods for the air cleanliness in interventional operation room: a dynamic monitoring observation

ZHANG Mei;SUN Jihua;WANG Rongyao;ZHANG Shuhua;Affiliated Hospital of Binzhou Medical College;  
Objective To compare the interventional operation room air disinfection effect of circulatingair disinfection method by an ultraviolet air disinfector with that of air-purifying screen disinfection method in order to provide scientific basis for formulating optimal measures to control hospital infection. Methods By using plate natural sedimentation method, air sampling was conducted at different period of time after the start of air disinfection in operation room. The air sterilization results of the two disinfection methods for the operation room where several consecutive interventional procedures had been performed were compared.Results Both disinfection methods had better preoperative air disinfection effect(P0.05). When ultraviolet disinfection method was used, the differences in colony detection results among the air samples that were collected at different time periods were statistically significant(P0.01). With the increasing of time after the start of air disinfection, the number of bacterial colonies was increased. If air-purifying screen disinfection method was employed, the air in the operation could be continuously and dynamically purified, the number of bacterial colonies determined in the whole course of operation met the national hygienic standard for air disinfection. Conclusion Continuous air purification by using air-purifying screen disinfection method can shorten the interval between consecutive surgeries, meanwhile, the operation room can be kept in a condition for any emergency surgery at anytime, besides, nosocomialtion can be effectively prevented.
【Fund】: 山东省医药卫生科技发展计划项目(2015WS0491);; 山东省滨州市科技发展计划项目(2015ZC0305);; 滨州医学院科技计划项目(BY2013KJ34)
【CateGory Index】: R472.1
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