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口腔综合治疗台治疗用水污染危险因素调查

Risk Factor of Contamination in Dental Unit Waterlines

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【作者】 张玲张越文闵红芳孙冬梅钱子煜

【Author】 Zhang Lin;Zhang Yue-wen;Min Hong-fang;Sun Dong-mei;Qian Zi-yu;Shanghai Xuhui Dental Disease Prevention and Control Institute;Disinfection Department, Shanghai Xuhui Disease Prevention and Control Center;Microbiological Laboratory,Shanghai Xuhui Disease Prevention and Control Center;

【通讯作者】 钱子煜;

【机构】 上海市徐汇区牙病防治所上海市徐汇区疾病预防控制中心消毒科上海市徐汇区疾病预防控制中心微生物检验科

【摘要】 目的了解上海市徐汇区口腔综合治疗台治疗用水污染状况,并分析污染的危险因素。方法采集上海市徐汇区9家医疗机构34台综合治疗台不同时段三种管道的治疗用水,进行细菌菌落总数计数,同时收集相关资料进行危险因素分析。结果上午开诊前、第一个病人诊疗后、上午诊疗结束后治疗用水合格率分别为57.6%,70.7%,87.0%。综合治疗台当日的使用时间短是影响治疗用水菌落总数的主要因素。治疗用水合格率的危险因素分析中,回吸强度大、采用储水罐供水方式、水处理设备管理水平差及当日管道冲洗时间短都是独立的危险因素。结论口腔综合治疗台治疗用水污染情况严重,存在引起医院感染的隐患。影响污染状况的因素较多,需要有综合措施对综合治疗台水路污染状况进行控制。

【Abstract】 Objective To investigate the contamination of dental unit waterlines and analyze the associated risk. METHODS Water samples were collected from 34 dental unit of 9 hospital in Shanghai, and the TBC counted.Meanwhile,the associated factors of contamination were collected.RESULTS The qualification rate of water samples collected in different time were 57.6%,70.7%,87.0%. The short time of using wateline system was the main factor influenced to the total bacterial counts of water samples.In the risk factors analysis for contamination of DUWS,more sucking power,tank-fed water supply system, poor management of waterline, short flushing time were independent risk factors.CONLUSION Most of the investigated dental unit have high level contamination, which would likely to acquire nosocomial infection. The complex of risk factors influence contamination of DUWS, the comprehensive treatments should be accomplished to control the contamination.

【基金】 2017年徐汇区医学尖峰学科(SHXH201706)
  • 【文献出处】 全科口腔医学电子杂志 ,General Journal of Stomatology , 编辑部邮箱 ,2019年02期
  • 【分类号】R187
  • 【被引频次】4
  • 【下载频次】185
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