J Hypertens:亚硝酸钠对高血压和健康研究者肾功能和血压的影响!

2017-10-27 xing.T MedSci原创

该研究的结果表明亚硝酸钠对EHT患者具有增强的降压效应。研究人员观察亚硝酸钠在两组受试者中均有抗利钠和抗利尿作用,并且仅在EHT受试者中可减少U-ENaC[γ]。在这两组中,研究人员发现了一个非血管加压素介导的U-AQP2减少,这是最有可能是代偿利尿作用的下降。

一氧化氮是调节血管张力的关键因子。内皮细胞一氧化氮合成受损在高血压发生发展中起重要作用。通过亚硝酸钠(NaNO2)来补充一氧化氮尚未在原发性高血压患者(EHT)中进行研究。近日,高血压领域权威杂志Journal of Hypertension上发表了一篇研究文章,研究人员的目的是明确亚硝酸钠对EHT与健康对照参与者血压(BP)、肾脏钠水调节的影响。

在一项安慰剂对照的交叉研究中,研究人员按照240[mu]gNaNO2/公斤/小时或等渗盐水分别在2小时内输注到14例EHT患者和14例对照者中。输液过程中,研究人员测量了受试者肱动脉和中心血压、自由水清除率、钠排泄分数和[γ]-尿上皮钠通道的亚基(U-ENaC[γ])以及水通道蛋白-2(U-AQP2)的变化。

在亚硝酸钠输注过程中,EHT组受试者经安慰剂调整的肱动脉收缩压下降了18mmHg(P<0.001),而对照组受试者下降了12mmHg(P<0.001)(组间P=0.024)。在亚硝酸钠输注过程中,两组受试者的肱动脉舒张压和中心收缩压同步降低。在EHT组中,研究人员发现在亚硝酸钠输液过程中U-ENaC[γ]有所降低。在这两组中,研究人员观察到在亚硝酸钠输液期间钠排泄分数、自由水清除以及U-AQP2均有所下降。

该研究的结果表明亚硝酸钠对EHT患者具有增强的降压效应。研究人员观察亚硝酸钠在两组受试者中均有抗利钠和抗利尿作用,并且仅在EHT受试者中可减少U-ENaC[γ]。在这两组中,研究人员发现了一个非血管加压素介导的U-AQP2减少,这是最有可能是代偿利尿作用的下降。

原始出处:

Rosenbæk, Jeppe B,et al. Effects of sodium nitrite on renal function and blood pressure in hypertensive vs. healthy study participants: a randomized, placebo-controlled, crossover study.Journal of Hypertension. 2017. http://journals.lww.com/jhypertension/Abstract/publishahead/Effects_of_sodium_nitrite_on_renal_function_and.97587.aspx

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    2018-10-05 yese
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    2017-11-25 一叶知秋
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    2018-07-23 stfoxst
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  7. [GetPortalCommentsPageByObjectIdResponse(id=2038773, encodeId=01302038e73c7, content=<a href='/topic/show?id=b45d1e274e8' target=_blank style='color:#2F92EE;'>#TENS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17274, encryptionId=b45d1e274e8, topicName=TENS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3b172500206, createdName=12498ebem19暂无昵称, createdTime=Tue Oct 09 18:47:00 CST 2018, time=2018-10-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1850635, encodeId=7c161850635a5, content=<a href='/topic/show?id=46c682469e4' target=_blank style='color:#2F92EE;'>#肾功能#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=82469, encryptionId=46c682469e4, topicName=肾功能)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=28d456, createdName=yese, createdTime=Fri Oct 05 04:47:00 CST 2018, time=2018-10-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1726826, encodeId=52651e268265b, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=30bd35, createdName=一叶知秋, createdTime=Sat Nov 25 01:47:00 CST 2017, time=2017-11-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2032755, encodeId=ec2e2032e55c5, content=<a href='/topic/show?id=ff85e343730' target=_blank style='color:#2F92EE;'>#研究者#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73437, encryptionId=ff85e343730, topicName=研究者)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1a19115, createdName=stfoxst, createdTime=Mon Jul 23 00:47:00 CST 2018, time=2018-07-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1506599, encodeId=8d5f150659995, content=<a href='/topic/show?id=529a2e90225' target=_blank style='color:#2F92EE;'>#健康研究#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=27902, encryptionId=529a2e90225, topicName=健康研究)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f59f9780892, createdName=hxq78319, createdTime=Sat Oct 28 22:47:00 CST 2017, time=2017-10-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1530849, encodeId=6074153084915, content=<a href='/topic/show?id=114d2429957' target=_blank style='color:#2F92EE;'>#亚硝酸钠#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=24299, encryptionId=114d2429957, topicName=亚硝酸钠)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b84c12156469, createdName=wujh_7312823, createdTime=Sat Oct 28 22:47:00 CST 2017, time=2017-10-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=256378, encodeId=15452563e8bd, content=不错的文章值得推荐一下!, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160914/IMG57D82E721DB581755.jpg, createdBy=4fc81933929, createdName=明天会更好!, createdTime=Fri Oct 27 12:39:39 CST 2017, time=2017-10-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=256353, encodeId=47ea2563539d, content=学习一下知识了, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160718/IMG578C993D395567540.jpg, createdBy=59b81918946, createdName=flysky120, createdTime=Fri Oct 27 10:26:59 CST 2017, time=2017-10-27, status=1, ipAttribution=)]
    2017-10-27 明天会更好!

    不错的文章值得推荐一下!

    0

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    2017-10-27 flysky120

    学习一下知识了

    0

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