消毒湿巾对新生儿病房环境物体表面消毒的效果
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赖晓全

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R187

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国家自然科学基金(71473098)


Disinfection effect of disinfectant wipes on environmental object surface in neonatal ward
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    摘要:

    目的比较消毒湿巾与含氯消毒剂的消毒效果,为改进医院感染防控措施提供依据。方法按消毒方法分为伽玛卫生湿巾组、洁力佳表面消毒巾组和84消毒剂组,分别对新生儿病房床单位进行清洁消毒,在消毒前及消毒后5、10、30、60 min 五个时间点对新生儿病房床单位表面采样,每组每个时间点分别采集标本30份,比较组间细菌菌落数、杀灭率和消毒合格率,同时筛查物体表面耐甲氧西林金黄色葡萄球菌(MRSA)检出情况。结果消毒后5、10、30 min,床单位物体表面三组间细菌菌落数及杀灭率比较,差异无统计学意义(P>0.05)。消毒后60 min,细菌菌落数伽玛卫生湿巾组[(2.61±0.41)CFU/cm2]、洁力佳表面消毒巾组[(2.71±0.42)CFU/cm2]低于84消毒剂组[(4.08±0.33)CFU/cm2],差异有统计学意义(P<0.05);细菌杀灭率伽玛卫生湿巾组[(72.36±3.90)%]、洁力佳表面消毒巾组[(71.49±4.77)%]优于84消毒剂组[(55.92±3.22)%],差异有统计学意义(P<0.05)。床单位物体表面消毒合格率伽玛卫生湿巾组(86.67%)优于84消毒剂组(63.33%),差异有统计学意义(P<0.05)。三种消毒方法均能有效清除物体表面MRSA。结论消毒湿巾消毒效果可靠,且能有效杀灭新生儿病房床单位物体表面多重耐药菌,适用于新生儿等高风险环境。

    Abstract:

    ObjectiveTo compare disinfection effect of disinfectant wipes and chlorinecontaining disinfectant, provide basis for improving prevention and control measures for healthcareassociated infection.MethodsAccording to disinfection methods, three groups were divided: Clinell Universal Wipes group(Clinell group), Gelica Surface Disinfecting Towelettes group(Gelica group), and 84disinfectant group, bed units of neonatal ward were cleaned and disinfected, surface sampling of bed units before disinfection, as well as 5, 10, 30 and 60 minutes after disinfection was performed, 30 specimens were taken in each group at each time point, bacterial colony count, bacterial killing rate and qualified rate of disinfection among three groups were compared, methicillinresistant Staphylococcus aureus (MRSA) on object surface was screened.ResultsAfter 5, 10, 30 minute disinfection, there was no significant difference in bacterial colony count and bacterial killing rate of object surface of bed units among three groups(P>0.05). After 60 minute disinfection, bacterial colony count in Clinell group ([2.61±0.41]CFU/cm2) and Gelica group ([2.71±0.42]CFU/cm2) were both lower than 84disinfectant group([4.08±0.33]CFU/cm2), difference was significant(P<0.05);bacterial killing rate in Clinell group ([72.36±3.90]%) and Gelica group ([71.49±4.77]%) were both higher than 84disinfectant group([55.92±3.22]%), difference was significant(P<0.05). The qualified rate of disinfection of bed unit surface in Clinell group was higher than 84disinfectant group(86.67% vs 63.33%, P<0.05). All three disinfection methods can effectively remove MRSA from object surface.ConclusionDisinfection effect of disinfectant wipes is reliable, it can effectively kill multidrugresistant organisms on bed unit surface in neonatal ward, and is suitable for routine disinfection in highrisk environment, such as neonatal ward.

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引用本文

谭昆,谭莉,韩颖,等.消毒湿巾对新生儿病房环境物体表面消毒的效果[J]. 中国感染控制杂志,2018,17(6):480-484. DOI:10.3969/j. issn.1671-9638.2018.06.004.
TAN Kun, TAN Li, HAN Ying, et al. Disinfection effect of disinfectant wipes on environmental object surface in neonatal ward[J]. Chin J Infect Control, 2018,17(6):480-484. DOI:10.3969/j. issn.1671-9638.2018.06.004.

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  • 收稿日期:2017-08-01
  • 最后修改日期:2017-09-20
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  • 在线发布日期: 2018-06-28
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