Plos One:洗手的大作用!

2017-02-25 MedSci MedSci原创

为了防止埃博拉病毒的传播,建议在埃博拉治疗单位和社区经常洗手。然而,截至目前为止,哪种洗手方案最有效尚未可知。近期,一项发表在杂志Plos one上的研究评估了六种洗手方案(肥皂和水,基于酒精的手部消毒剂(ABHS)和0.05%二氯异氰尿酸钠,高测试次氯酸盐和稳定以及不稳定次氯酸钠溶液)对以下的作用:1)洗手效果,非致病性生物体的灭活,和2)生物体在漂洗水中的持久性。使用模型生物体大肠杆菌和噬菌体

为了防止埃博拉病毒的传播,建议在埃博拉治疗单位和社区经常洗手。然而,截至目前为止,哪种洗手方案最有效尚未可知。

近期,一项发表在杂志Plos one上的研究评估了六种洗手方案(肥皂和水,基于酒精的手部消毒剂(ABHS)和0.05%二氯异氰尿酸钠,高测试次氯酸盐和稳定以及不稳定次氯酸钠溶液)对以下的作用:1)洗手效果,非致病性生物体的灭活,和2)生物体在漂洗水中的持久性。

使用模型生物体大肠杆菌和噬菌体Phi6评价在加入和不加有机载体情况下的洗手效果。使用测试生物体接种、洗涤、并使用手套汁方法漂洗以回收手部剩余的生物体。通过将洗手后生物体中的对数减少与没有洗手的对数减少进行比较来估计影响。收集冲洗水以测试生物体的持久性。洗手可以使大肠杆菌的浓度减少1.94-3.01log(无土壤负荷)和2.18-3.34(有土壤负荷);而Phi6降低2.44-3.06 log(无土壤负荷)和2.71-3.69(有土壤载荷)。

 在三种模式下,与其他洗手方式相比,HTH的表现最佳,细菌对数减少更大。然而,洗手效力差异的量级很小,表明方案同样有效。

漂洗水显示残留大肠杆菌减少0.28-4.77 log(无土壤负荷)和0.21-4.49(有土壤载荷);Phi6减少1.26-2.02log(无土壤负荷)和1.30-2.20(有土壤载荷)。

氯气可以显著减少大肠杆菌在这两种条件下的持久性,也可以显著减少Phi6在无土壤负载冲洗水中的含量(p <0.001)。因此,氯气的方法可以减少漂洗水中细菌的持久性。

最后,研究者建议应急人员应使用最实用的洗手方法,以确保在埃博拉病毒地区手部的卫生。

原始出处:

Wolfe MK, Gallandat K, et al. Handwashing and Ebola virus disease outbreaks: A randomized comparison of soap, hand sanitizer, and 0.05% chlorine solutions on the inactivation and removal of model organisms Phi6 and E. coli from hands and persistence in rinse water. PLoS One. 2017 Feb 23;12(2):e0172734. doi: 10.1371/journal.pone.0172734. eCollection 2017.

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    2017-10-02 qjddjq
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    2017-02-26 飛歌

    天天都洗手,一天几十次

    0

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    2017-02-26 明月清辉

    卫生手消毒的重要性

    0

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    2017-02-26 天下第一海

    学则

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1789890, encodeId=644f1e8989089, content=<a href='/topic/show?id=6e4814388e2' target=_blank style='color:#2F92EE;'>#Plos one#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14388, encryptionId=6e4814388e2, topicName=Plos one)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=fda6311, createdName=119337457, createdTime=Tue Jul 25 20:27:00 CST 2017, time=2017-07-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1716634, encodeId=74ea1e166346f, content=<a href='/topic/show?id=40f06509005' target=_blank style='color:#2F92EE;'>#洗手#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=22, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=65090, encryptionId=40f06509005, topicName=洗手)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b18c32283373, createdName=qjddjq, createdTime=Mon Oct 02 17:27:00 CST 2017, time=2017-10-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=177932, encodeId=c7461e793272, content=天天都洗手,一天几十次, beContent=null, objectType=article, channel=null, level=null, likeNumber=56, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib3IzoRn621JdKCFUI4XvNELcibocrAVU6aUzEVDSaf3rYH08PUYUiagGqxAEhj8g9WqqNvD1CupIpCrmnR2OrqHZh/0, createdBy=7f181365728, createdName=飛歌, createdTime=Sun Feb 26 09:22:12 CST 2017, time=2017-02-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=177928, encodeId=9d431e792801, content=卫生手消毒的重要性, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo6Nx0VGA4QMDzOP8oAgnV4h51EjSfehJ9QxyiaSmw8PB56BhY8KXFSxHCibXrzcy4abrzSibXQPxJ9kzrLcJyhhB8a/0, createdBy=1d3b1672603, createdName=明月清辉, createdTime=Sun Feb 26 09:17:09 CST 2017, time=2017-02-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=177924, encodeId=67fb1e7924bf, content=学则, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160926/IMG57E8D782531B64011.jpg, createdBy=29a01672170, createdName=天下第一海, createdTime=Sun Feb 26 09:02:47 CST 2017, time=2017-02-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=177904, encodeId=9e011e7904ce, content=于无声处听惊雷, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=18741984753, createdName=smartxiuxiu, createdTime=Sun Feb 26 05:30:17 CST 2017, time=2017-02-26, status=1, ipAttribution=)]
    2017-02-26 smartxiuxiu

    于无声处听惊雷

    0

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