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本帖最后由 doublly 于 2017-9-24 00:01 编辑
一直以来,关于N95口罩到底用多久的讨论都没有停息过,美国也有同样的问题,因此美国CDC和APIC针对此问题均给出了自己的建议. 美国给出两个概念:1. 延长使用(extended use)和2. 重复使用(reuse)。
Extended use refers to the practice of wearing the same N95 respirator for repeated close contact encounters with several patients, without removing the respirator between patient encounters. Extended use may be implemented when multiple patients are infected with the same respiratory pathogen and patients are placed together in dedicated waiting rooms or hospital wards. Extended use has been recommended as an option for conserving respirators during previous respiratory pathogen outbreaks and pandemics.(10, 11) 延长使用:多次密切接触多名患者时均可佩带同一个N95呼吸器,而无需摘下呼吸器。延长使用一般适用于多名患者感染同种呼吸道病毒,以及患者共同安置于指定的候诊室或病房。这种方法在之前的呼吸道病原体引起的暴发和大流行时被推荐作为储存呼吸器备选项之一。 Reuse1 refers to the practice of using the same N95 respirator for multiple encounters with patients but removing it ('doffing') after each encounter. The respirator is stored in between encounters to be put on again ('donned') prior to the next encounter with a patient. For pathogens in which contact transmission (e.g., fomites) is not a concern, non-emergency reuse has been practiced for decades.(7) For example, for tuberculosis prevention, CDC recommends that a respirator classified as disposable can be reused by the same worker as long as it remains functional2 and is used in accordance with local infection control procedures.(9) Even when N95 respirator reuse is practiced or recommended, restrictions are in place which limit the number of times the same FFR is reused.Thus, N95 respirator reuse is often referred to as “limited reuse”. Limited reuse has been recommended and widely used as an option for conserving respirators during previous respiratory pathogen outbreaks and pandemics.(2, 3, 10-12) 重复使用:多次密切接触多名患者时可佩带同一个N95呼吸器,但每次接触后均需要摘下呼吸器,该呼吸器在未接触患者时放置一侧,待下次接触患者时重新戴上。对那些非接触传播的病原体(如经污染物传播),非紧急情况下重复使用呼吸器已是采取很多年。例如,对于结核预防来说,CDC建议,一次性使用的呼吸器,只要其功能未遭破坏,可供同一医务人员重复使用,当然要符合当地的感控实际。但要注意此处所讲的重复使用是有限的重复使用(limit reuse)
供大家参考!
应一些老师的要求,试着把APIC的立场文件进行了翻译,现一并附上,不当之处敬请批评指正。
D.B.L.
2017-9-21
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