3种洗手方法手部带菌情况调查

Investigation on the bacterial situation in hands of three hand-washing methods

目的了解口腔科医务人员3种不同洗手方法下手部微生物污染情况,控制医院感染,特别是外源性医院(医源性)感染。方法 2003年1-12月,对口腔科医务人员卫生洗手、七步洗手、七步洗手后进行0．5％碘伏擦手3种洗手方法后进行抽样检测。结果检测卫生洗手、七步洗手、七步洗手后进行0．5％碘伏擦手共300人次,合格率分别是62.0％、82．3％、100％。结论卫生洗手不能彻底清除皮肤上的细菌,遵照专业七步洗手法效果可靠,七步洗手法后进行0．5％碘伏擦手可达无菌,保证消毒效果。

Objective To investigate the situation of microbial pollution of 3 hand-washing methods of doctors and nurses in oral department to control hospital infection, especially extraneous source infection（iatrogenic infection）. Methods From January to December in 2003, doctors in oral department were by sampling examined after three kinds of hand-washing, seven-step hand-washing and 0.5% iodophor after seven-step hand-washing. Results With the examination of 300 person-time of washing hand, seven-step hand-washing and 0.5% iodophor after seven-step hand-washing, the pass rate was 62.0%, 82.3%, 100% respectively. Conclusion Hand-washing can not eliminate completely the bacteria on the skin; it is reliable to adopt professional seven-step hand-washing; 0.5% iodophor after seven-step hand-washing can ensure the disinfectant effects.