Stroke:颅内动脉延长扩张症及狭窄

2018-03-26 xing.T MedSci原创

由此可见,IADE和ICAS具有不同的危险因素,并且与脑小血管病不同影像表型相关,提示存在不同的机制。

颅内动脉延长扩张症(IADE),相比于颅内动脉粥样硬化性狭窄(ICAS),是一种知之甚少的动脉疾病。近日,卒中领域权威杂志Stroke上发表了一篇研究文章,研究人员的目的是通过人群为基础的研究探讨IADE和ICAS的危险因素,以及它们与脑小血管病的神经影像学标志之间关系的相关性。

该研究纳入了1237例参与者(年龄为57.2±9.4岁,37.6%为男性),这些参与者进行了脑磁共振成像和磁共振血管成像检查。IADE是基于基底动脉延长扩张(直径、高度评价分歧以及偏侧基底动脉)以及基底动脉和颈内动脉扩张(颅内容积调整的直径≥2个SD)。ICAS被定义为至少1处颅内动脉任何程度的狭窄。研究人员对脑小血管疾病的神经影像学标志,包括腔隙、脑白质高信号、微出血、血管周围间隙扩大、脑萎缩等进行了评价。

3.6%(45/1237)的参与者观察到了基底动脉延长扩张症;5.9%(67/1142)的颅内动脉扩张患者;15.7%(194/1237)的ICAS患者。高龄、高收缩压、糖尿病、较高LDL-C(低密度脂蛋白胆固醇)和较低HDL-C(高密度脂蛋白胆固醇)与ICAS的存在相关(所有P<0.001),而只有年龄与IADE相关。ICAS与腔隙(比值比为2.91;95%置信区间为1.96–4.34;P<0.001)、增加的白质高信号区体积(β±SE为0.54±0.13;P<0.001)、脑萎缩(β±SE为−1.16±0.21;P<0.001)相关,而基底动脉延长扩张主要与基底节血管周围间隙扩大相关(比值比为2.20;95%置信区间为1.20–4.02;P=0.01),在较小的程度上,与腔隙和微出血有关。

由此可见,IADE和ICAS具有不同的危险因素,并且与脑小血管病不同影像表型相关,提示存在不同的机制。

原始出处:

Fei-Fei Zhai,et al. Intracranial Arterial Dolichoectasia and Stenosis Risk Factors and Relation to Cerebral Small Vessel Disease.Stroke. 2018. https://doi.org/10.1161/STROKEAHA.117.020130

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    2018-08-24 lsj637
  2. [GetPortalCommentsPageByObjectIdResponse(id=1684742, encodeId=e01a1684e4212, content=<a href='/topic/show?id=794754e74f4' target=_blank style='color:#2F92EE;'>#扩张#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54774, encryptionId=794754e74f4, topicName=扩张)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=699d28086811, createdName=lsj637, createdTime=Fri Aug 24 04:28:00 CST 2018, time=2018-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=301921, encodeId=316d3019216d, content=学习了感谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://q.qlogo.cn/qqapp/1103841572/C20CB8E4EBB36F5B821651C710BCB491/100, createdBy=18de1715848, createdName=lofter, createdTime=Mon Apr 02 06:03:32 CST 2018, time=2018-04-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=300460, encodeId=5f5530046046, content=好文献.谢谢.学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b5a62240667, createdName=张新亮1853311252142e2fm, createdTime=Wed Mar 28 07:49:35 CST 2018, time=2018-03-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=300165, encodeId=0224300165af, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3da1990174, createdName=yfjms, createdTime=Tue Mar 27 09:53:52 CST 2018, time=2018-03-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=300133, encodeId=9919300133d2, content=学习学习.知之为知之, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKibA62IFMeUJEmSyIe8DvYFeERuOsfrRd8iano7nENqQU1dRR3tqeQOUL3eqgYgEZRT2t2iaEsib0JEw/132, createdBy=66771693911, createdName=易水河, createdTime=Tue Mar 27 08:16:55 CST 2018, time=2018-03-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=299991, encodeId=69172999914b, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=90e71967716, createdName=易彭, createdTime=Mon Mar 26 22:38:34 CST 2018, time=2018-03-26, status=1, ipAttribution=)]
    2018-04-02 lofter

    学习了感谢分享

    0

  3. [GetPortalCommentsPageByObjectIdResponse(id=1684742, encodeId=e01a1684e4212, content=<a href='/topic/show?id=794754e74f4' target=_blank style='color:#2F92EE;'>#扩张#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54774, encryptionId=794754e74f4, topicName=扩张)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=699d28086811, createdName=lsj637, createdTime=Fri Aug 24 04:28:00 CST 2018, time=2018-08-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=301921, encodeId=316d3019216d, content=学习了感谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://q.qlogo.cn/qqapp/1103841572/C20CB8E4EBB36F5B821651C710BCB491/100, createdBy=18de1715848, createdName=lofter, createdTime=Mon Apr 02 06:03:32 CST 2018, time=2018-04-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=300460, encodeId=5f5530046046, content=好文献.谢谢.学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b5a62240667, createdName=张新亮1853311252142e2fm, createdTime=Wed Mar 28 07:49:35 CST 2018, time=2018-03-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=300165, encodeId=0224300165af, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3da1990174, createdName=yfjms, createdTime=Tue Mar 27 09:53:52 CST 2018, time=2018-03-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=300133, encodeId=9919300133d2, content=学习学习.知之为知之, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKibA62IFMeUJEmSyIe8DvYFeERuOsfrRd8iano7nENqQU1dRR3tqeQOUL3eqgYgEZRT2t2iaEsib0JEw/132, createdBy=66771693911, createdName=易水河, createdTime=Tue Mar 27 08:16:55 CST 2018, time=2018-03-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=299991, encodeId=69172999914b, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=90e71967716, createdName=易彭, createdTime=Mon Mar 26 22:38:34 CST 2018, time=2018-03-26, status=1, ipAttribution=)]
    2018-03-28 张新亮1853311252142e2fm

    好文献.谢谢.学习了

    0

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    2018-03-27 yfjms

    学习

    0

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    2018-03-27 易水河

    学习学习.知之为知之

    0

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    2018-03-26 易彭

    学习了

    0