张裕 1龚林 2王一梅 2裴红兵 3吴昌汉 3刘小丽4
作者信息
- 1. 武汉市青山区疾病预防控制中心传染病防制科,湖北武汉 430081||武汉市现场流行病学培训项目,湖北武汉 430024
- 2. 武汉市疾病预防控制中心消毒与病媒生物防制所,湖北武汉 430024||武汉市医院感染管理质量控制中心,湖北武汉 430024
- 3. 武汉市青山区疾病预防控制中心传染病防制科,湖北武汉 430081
- 4. 武汉市现场流行病学培训项目,湖北武汉 430024||武汉市疾病预防控制中心消毒与病媒生物防制所,湖北武汉 430024||武汉市医院感染管理质量控制中心,湖北武汉 430024
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摘要
Abstract
Objective To understand the current status and influencing factors of microbial contamination of dental unit waterlines(DUWLs)of secondary and lower medical institutions in Wuhan,and provide scientific basis for for-mulating prevention and control measures.Methods A stratified convenience sampling method was adopted to con-duct questionnaire survey on 248 dental medical institutions in 15 districts of Wuhan City,DUWLs from 44 medical institutions were sampled and detected according to hospital levels.Results Among disinfection and maintenance management measures for source water and waterlines,the highest implementation rate was the installation rate of anti-suction dental handpiece(73.39％,182/248),but only 16.48％(30/182)of institutions regularly conducted the detection on anti-suction function;The lowest was the daily disinfection rate of water storage tanks(17.53％,17/97).A total of 132 water specimens were collected from 44 medical institutions,with a qualified rate of microbi-al detection of 56.06％.The qualified rates for secondary,primary,and unclassified medical institutions were 77.78％,50.00％,and 50.72％,respectively,with statistically significant differences(P＜0.05).The qualified rates of microbial detection for source water,handpiece water,and three-way syringe water were 59.09％,50.00％,and 59.09％,respectively,with no statistically significant difference(P＞0.05).Univariate analysis re-sults showed that medical institutions that regularly conducted chemical disinfection on DUWLs,understood DU-WLs waterline cleaning and disinfection standards,regularly performed microbial monitoring on diagnosis and treat-ment water,qualified source water,and flushed waterlines for 3 minutes before and after daily consultations had a higher qualified rate of microbial detection in DUWLs diagnosis and treatment water,and the differences were all statistically significant(all P＜0.05).Conclusion The contamination status of DUWLs in secondary and lower medical institutions in Wuhan is relatively serious.It is recommended to focus on strengthening the training of rele-vant regulations,installing inlet filters,regularly detecting the anti-suction function of dental handpieces,imple-menting chemical disinfection and microbial monitoring on waterlines,standardizing the implementation of flushing before and after diagnosis and treatment,and strengthening the disinfection and use management of independent wa-ter storage tanks to control contamination.关键词
口腔综合治疗台水路/口腔科/医院感染/消毒/基层医疗机构/影响因素/DUWLsKey words
dental unit waterlines/department of stomatology/healthcare-associated infection/disinfection/pri-mary medical institution/influencing factor/DUWLs分类
医药卫生
