Mayo Clin Proc:听诊器也是细菌传染源!

2017-04-20 MedSci MedSci原创

听诊器是治疗疾病的宝贵工具。不幸的是,它也可以帮助疾病的传播。 在2014年Mayo Clinic Proceedings杂志上的一项研究发现,当收集听诊器上的细菌(包括耐甲氧西林金黄色葡萄球菌(MRSA),这是许多医院存在的严重问题)时发现,听诊器与手部一样糟糕。问题在于,听诊器几乎不常清理。其中有大量的裂缝可以隐藏细菌。每年大约有7.2万人由于住院期间因听诊器发生感染而重新入院。一个未知的,但

听诊器是治疗疾病的宝贵工具。不幸的是,它也可以帮助疾病的传播。 在2014年Mayo Clinic Proceedings杂志上的一项研究发现,当收集听诊器上的细菌(包括耐甲氧西林金黄色葡萄球菌(MRSA),这是许多医院存在的严重问题)时发现,听诊器与手部一样糟糕。问题在于,听诊器几乎不常清理。其中有大量的裂缝可以隐藏细菌。每年大约有7.2万人由于住院期间因听诊器发生感染而重新入院。一个未知的,但潜在的大量的患者比例均通过听诊器上的传染性病原体感染。

UAB生物医学工程专业的Jervaughn Hunter和致力于工程学院的高级设计项目的Nikea McMullen与UAB神经病学家James Houston先生开会时发现了这一事实。Hunter说:"他告诉我们,没有一种真正适合听诊器消毒的方法。" "酒精在一定程度上起作用,但并不能杀灭病毒,市场上有紫外线灯,但是它们没有得到广泛的应用。"

一种独特方法

Hunter和McMullen展开工作,进行专利检索和分析目前市场上的产品。他们采取双管齐下的做法。第一种是表面使用防污聚异戊二烯材料,将它紧贴在听诊器的钟和隔膜周围,以防止微生物滋生。第二种方法是使用一种抗菌成分,可以杀死任何可以贴在听诊器上的细菌。 "没有人采取这种做法。"亨特说。

Hunter,他的目标是成为一名组织工程师,与他的一位教授交谈中,他提到研究显示银离子作为抗菌剂是有效的。Hunter和McMullen发现了一种可商购的释放银离子的聚合物材料。他们的计算表明,至少在24小时内能有效预防传染性传播。

在一天结束的时候,把它丢掉

Hunter说:"我们希望创造一些易于使用的东西。" "用户可以使用这种带保护屏障的听诊器,然后在一天结束时将其扔掉,并在第二天应用新的。"

在这些项目上工作的机会有助于吸引来自密西西比州吉布森港的Hunter到UAB参加生物医学工程项目。他说:"我一直想在医疗保健方面创新,但作为一名医生从来没有这种激情。" "组织工程和生物材料对我来说是最有趣的。未来我们可以对衰竭器官进行再造。 我很乐意成为该研究的一员。

原文出处


Yves Longtin et al. Contamination of Stethoscopes and Physicians' Hands After a Physical Examination, Mayo Clinic Proceedings (2014)

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    2017-12-08 天地飞扬

    谢谢分享!

    0

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    2017-05-11 linlin2312
  4. [GetPortalCommentsPageByObjectIdResponse(id=267797, encodeId=15b726e797df, content=谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2019/12/23/2f51002e1349ccda5be11c1eea1e1e60.jpg, createdBy=a22097948, createdName=天地飞扬, createdTime=Fri Dec 08 11:17:28 CST 2017, time=2017-12-08, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2036622, encodeId=77ce2036622b2, content=<a href='/topic/show?id=2c5b2591089' target=_blank style='color:#2F92EE;'>#传染源#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=25910, encryptionId=2c5b2591089, topicName=传染源)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=395f25, createdName=爆笑小医, createdTime=Mon May 01 12:45:00 CST 2017, time=2017-05-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1976910, encodeId=28eb19e691009, content=<a href='/topic/show?id=b9f11560065' target=_blank style='color:#2F92EE;'>#ROC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=43, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=15600, encryptionId=b9f11560065, topicName=ROC)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=d590125, createdName=linlin2312, createdTime=Thu May 11 14:45:00 CST 2017, time=2017-05-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=190015, encodeId=4b4d190015f6, content=继续关注。 , beContent=null, objectType=article, channel=null, level=null, likeNumber=74, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzfPkmqRTH5rHib5mcib8Wb3QdXjhfOK1UubQL2lictjJFdFJ6Lc3cnnCOSWqxXZ4Kk6y5GdzDoy764R/0, createdBy=156e1644785, createdName=doctorJiangchao, createdTime=Mon Apr 24 00:46:39 CST 2017, time=2017-04-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1519756, encodeId=00ee1519e56b0, content=<a href='/topic/show?id=458a39298fd' target=_blank style='color:#2F92EE;'>#听诊器#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=39298, encryptionId=458a39298fd, topicName=听诊器)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=e81c11291829, createdName=李研东, createdTime=Sat Apr 22 12:45:00 CST 2017, time=2017-04-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1601847, encodeId=bd54160184e63, content=<a href='/topic/show?id=2f801469e57' target=_blank style='color:#2F92EE;'>#PRO#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14697, encryptionId=2f801469e57, topicName=PRO)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a60b18898917, createdName=sunylz, createdTime=Sat Apr 22 12:45:00 CST 2017, time=2017-04-22, status=1, ipAttribution=)]
    2017-04-24 doctorJiangchao

    继续关注。

    0

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    2017-04-22 sunylz