Radiology:利用PET/MR进行全身成像在2型糖尿病的应用价值。

2017-08-30 shaosai MedSci原创

2型糖尿病原名叫成人发病型糖尿病,多在35~40岁之后发病,占糖尿病患者90%以上。2型糖尿病患者体内产生胰岛素的能力并非完全丧失,有的患者体内胰岛素甚至产生过多,但胰岛素的作用效果较差,因此患者体内的胰岛素是一种相对缺乏,可以通过某些口服药物刺激体内胰岛素的分泌。但到后期仍有一些病人需要使用胰岛素治疗。本研究旨在改善、评价和阐述利用全身成像序列评价胰岛素组织特异性介导18F- FDG的流入速率、

2型糖尿病原名叫成人发病型糖尿病,多在35~40岁之后发病,占糖尿病患者90%以上。2型糖尿病患者体内产生胰岛素的能力并非完全丧失,有的患者体内胰岛素甚至产生过多,但胰岛素的作用效果较差,因此患者体内的胰岛素是一种相对缺乏,可以通过某些口服药物刺激体内胰岛素的分泌。但到后期仍有一些病人需要使用胰岛素治疗。本研究旨在改善、评价和阐述利用全身成像序列评价胰岛素组织特异性介导18F- FDG的流入速率、组织沉积和全身胰岛素敏感性(被称为M值),并将结果发表在Radiology上。

利用集成正电子发射断层(PET)成像/磁共振(MR)成像联合高胰岛素-正葡萄糖钳夹技术(HEC)。动态全身PET成像对全身成像并采用Patlak法测量胰岛素介导的18F-FDG的流入速率(Ki)。PET成像后采用HEC法测算M值。利用MR成像水脂分离序列和手工分割来评价组织沉积。采用5名健康志愿者和5例2型糖尿病患者进行检查来评价该方案的可行性。利用Pearson相关分析在多种组织中评价M值和Ki的相关性。

在多种组织中M值和Ki具有正相关:臀肌(r = 0.875; P = .001)、大腿肌肉(r = 0.903; P , .001)、腓肠肌(r = 0.825; P = .003)和腹部内脏脂肪组织(r = 0.820; P = .004)。在颅脑中M值和Ki具有负相关(r = 20.798; P = .006)。通过MR对组织沉积分析的方法能够测量脂肪组织体积和脂质成分。

本研究表明,PET/MR能够同时评价组织特异胰岛素介导的18F-FDG流入速率、组织沉积和M值。

原始出处:

Johansson E, Lubberink M, Heurling K, Fuentes DT, et al,Whole-Body Imaging of Tissue-specific Insulin Sensitivity and Body Composition by Using an Integrated PET/MR System: A Feasibility Study. Radiology. 2017.DOI: 10.1148/radiol.2017162949

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    2017-11-11 feather89
  2. [GetPortalCommentsPageByObjectIdResponse(id=1726697, encodeId=a69f1e2669701, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=32, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f06c33759375, createdName=feather89, createdTime=Sat Nov 11 21:15:00 CST 2017, time=2017-11-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=243279, encodeId=9f8b2432e909, content=好好看下.内容丰富, 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/mONcle9pic3zMoyicyo6ia9f4IuLQAwZoxD6Hx4ibd5CMcOCYhStY6oDibbKK6O2X8iaicldO5ib8j1iapOIobIKCGiczU2A/0, createdBy=56251941490, createdName=虈亣靌, createdTime=Tue Sep 12 18:40:18 CST 2017, time=2017-09-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=240463, encodeId=d16324046355, content=学习了.谢谢作者分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mONcle9pic3zMoyicyo6ia9f4IuLQAwZoxD6Hx4ibd5CMcOCYhStY6oDibbKK6O2X8iaicldO5ib8j1iapOIobIKCGiczU2A/0, createdBy=56251941490, createdName=虈亣靌, createdTime=Mon Sep 04 21:10:57 CST 2017, time=2017-09-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1331067, encodeId=0428133106e27, content=<a href='/topic/show?id=15e2140e438' target=_blank style='color:#2F92EE;'>#PET#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=14074, encryptionId=15e2140e438, topicName=PET)], attachment=null, authenticateStatus=null, createdAvatar=https://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTI5PdY90y5Jib8FnPhCXTR2d9v3K17epNSwB2eb0vmXUldNJl2e72S4unZTAHLAojicdVSialTDFHAxA/132, createdBy=78d82500042, createdName=ms7514935887898259, createdTime=Fri Sep 01 14:15:00 CST 2017, time=2017-09-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=238882, encodeId=1a8a23888287, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c3da1990174, createdName=yfjms, createdTime=Thu Aug 31 07:50:19 CST 2017, time=2017-08-31, status=1, ipAttribution=)]
    2017-09-12 虈亣靌

    好好看下.内容丰富

    0

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    2017-09-04 虈亣靌

    学习了.谢谢作者分享!

    0

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    2017-08-31 yfjms

    学习了

    0