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Stroke:辣椒素对脑灌注影响和安全性分析

2021-05-10 MedSci原创 MedSci原创

该研究提供了辣椒素在健康志愿者人群中安全性和耐受性的证据。辣椒素似乎可以获得与蝶腭神经节电刺激相似的效应。

蝶腭神经节(SPG)电刺激已用于急性缺血性卒中治疗,以增强侧支血流量。辣椒素是化学刺激蝶腭神经节的替代方法。

近日,血管疾病领域权威杂志Stroke上发表了一篇研究文章,这项研究旨在明确增加辣椒素剂量对连续性经颅多普勒测量的脑血流的安全性和效应。

研究人员对30名健康志愿者(分为5组)进行了经颅多普勒检查。辣椒素的剂量范围从33至165μMol。研究人员在长达20分钟内每隔5分钟记录了大脑中动脉收缩和舒张末速度峰值、动脉压和感觉到的刺痛。然后,研究人员计算出脑血流平均速度、搏动指数和脑血流指数。

参与者的中位年龄为21岁(四分位范围为5岁);所有人报告在饮食中都摄入了辣椒素。在研究之后和研究期间,没有人报告出现副作用。感知到的刺激性在5分钟后达到峰值,到20分钟时,没有人感觉到任何刺激。所有测试剂量均获得相同的结果,包括大脑中动脉平均速度的增加和搏动指数的减小。效应在5分钟和10分钟之间达到峰值,然后恢复到基础水平,但66 μMol剂量除外,这一剂量产生了持续性效果。研究人员发现辣刺激与剂量之间没有相关性,但大脑中动脉平均速度与辣椒素所用剂量密切相关。

由此可见,该研究提供了辣椒素在健康志愿者人群中安全性和耐受性的证据。辣椒素似乎可以获得与蝶腭神经节电刺激相似的效应

原始出处:

Juan Manuel Marquez-Romero.et al.Dose Escalation and Safety of Capsaicin for Cerebral Perfusion Augmentation A Pilot Study.stroke.2021.https://www.ahajournals.org/doi/10.1161/STROKEAHA.120.032773

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    2021-05-30 ms1000002136354097

    辣椒素可吵刺激神经话性,未来治疗效果可期

    0

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    2021-05-13 汉水人家

    学习

    0

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    2021-05-11 ms8000000973263526

    学习了

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1220430, encodeId=c76412204300a, content=<a href='/topic/show?id=48fc938643d' target=_blank style='color:#2F92EE;'>#辣椒素#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=99, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=93864, encryptionId=48fc938643d, topicName=辣椒素)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=赛华佗, createdTime=Tue May 17 16:47:22 CST 2022, time=2022-05-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1751379, encodeId=30ed1e513793e, content=<a href='/topic/show?id=42988492ec0' target=_blank style='color:#2F92EE;'>#脑灌注#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=84927, encryptionId=42988492ec0, topicName=脑灌注)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=0a4236283426, createdName=hywen7338, createdTime=Sun Apr 24 18:19:40 CST 2022, time=2022-04-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=969574, encodeId=d6989695e467, content=辣椒素可吵刺激神经话性,未来治疗效果可期, beContent=null, objectType=article, channel=null, level=null, likeNumber=86, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=d1e05489924, createdName=ms1000002136354097, createdTime=Sun May 30 06:44:28 CST 2021, time=2021-05-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=965105, encodeId=ba67965105cb, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=85, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=65d55484096, createdName=汉水人家, createdTime=Thu May 13 08:13:38 CST 2021, time=2021-05-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=964471, encodeId=9a529644e113, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=80, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210416/63ad7921535a46e793fc2b5377a539a7/1def2b169ab84693982a3100c8eba665.jpg, createdBy=59f35474720, createdName=ms8000000973263526, createdTime=Tue May 11 08:27:14 CST 2021, time=2021-05-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=964461, encodeId=175996446172, content=辣椒素似乎可以获得与蝶腭神经节电刺激相似的效应, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=/v1.0.0/img/user_icon.png, createdBy=b3545492917, createdName=smart Ren, createdTime=Tue May 11 07:39:29 CST 2021, time=2021-05-11, status=1, ipAttribution=)]
    2021-05-11 smart Ren

    辣椒素似乎可以获得与蝶腭神经节电刺激相似的效应

    0

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