Circulation:远程缺血预处理(RIPC)在严重颈动脉狭窄患者支架植入前的安全性及有效性

2017-02-22 MedSci MedSci原创

RIPC对接受颈动脉支架术的患者是安全的,可能能够减少继发性缺血性脑损伤。

远程缺血预处理(RIPC)可以有效抑制急慢性脑缺血患者的复发性缺血事件。然而, RIPC是否可以阻止严重颈动脉狭窄的患者颈动脉支架术后的缺血性损伤仍然不清楚。

本项随机对照研究招募严重颈动脉狭窄患者,并将其分组为RIPC组,假手术组和无干预(对照)组。所有受试者均接受标准药物治疗。RIPC和假手术组的受试者在支架治疗前2周分别接受RIPC和假手术每日两次。使用血浆NSE和S-100B指标来评价安全性,使用超敏C反应蛋白(hs-CRP)和新的缺血性DWI病变来确定治疗效果。主要结果是在支架术后48小时DWI检查发现存在≥1个新的缺血性脑损伤,并在支架术后6个月内发生临床事件。

本研究随机选择189名受试者(每组63名)。 RIPC组和RIPC假手术组程序都具有良好的耐受性与高度依从性(分别为98.41%和95.24%)。在治疗前后,血浆NSE水平和S-100B的水平均没有明显变化。也没有因为RIPC和RIPC假手术处理而导致的严重不良事件。新发DWI病变在RIPC组中的发生率(15.87%)显著低于假手术组(36.51%; 相对危险度0.44;96%置信区间:0.20~0.91;p <0.01)和对照组(41.27%; 相对危险度0.39;96%置信区间:0.21~0.82;p <0.01)。与对照组和假手术组相比,RIPC组的损伤的体积较小(各p <0.01)。颈动脉支架术后, RIPC组出现1例短暂性脑缺血发作,对照组有2例中风,假手术组有两例中风和一例短暂性脑缺血发作,但这些结果在三组之间没有显著差异(p = 0.597)。

RIPC对接受颈动脉支架术的患者是安全的,可能能够减少继发性缺血性脑损伤。然而,RIPC对这一队列患者临床结果的影响及机制尚需要进一步研究。

原始出处:Zhao W, Meng R, Ma C,et al ;Safety and Efficacy of Remote Ischemic Preconditioning in Patients with Severe Carotid Artery Stenosis Prior to Carotid Artery Stenting: A Proof-of-Concept, Randomized Controlled Trial.Circulation. 2017 Feb 7. pii: CIRCULATIONAHA.116.024807.

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    2017-02-23 jiyangfei
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    2017-02-23 1e10c84am36(暂无匿称)

    文章很不错哦

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1843443, encodeId=c2231843443cd, content=<a href='/topic/show?id=dab8100523bb' target=_blank style='color:#2F92EE;'>#颈动脉#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=100523, encryptionId=dab8100523bb, topicName=颈动脉)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=416347, createdName=mhzhuang@stu.e, createdTime=Thu Dec 21 14:58:00 CST 2017, time=2017-12-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1935153, encodeId=eb5d1935153a1, content=<a href='/topic/show?id=49455e1086e' target=_blank style='color:#2F92EE;'>#支架植入#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=57, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=57108, encryptionId=49455e1086e, topicName=支架植入)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=70fe497, createdName=paperyu, createdTime=Sun Dec 31 16:58:00 CST 2017, time=2017-12-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1496869, encodeId=7a591496869fa, content=<a href='/topic/show?id=217b33259df' target=_blank style='color:#2F92EE;'>#动脉狭窄#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=33259, encryptionId=217b33259df, topicName=动脉狭窄)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b4ae9287436, createdName=piaojinhua, createdTime=Thu Feb 23 16:58:00 CST 2017, time=2017-02-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1520342, encodeId=e060152034252, content=<a href='/topic/show?id=7a736264553' target=_blank style='color:#2F92EE;'>#植入#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=62645, encryptionId=7a736264553, topicName=植入)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=832411313664, createdName=jiyangfei, createdTime=Thu Feb 23 16:58:00 CST 2017, time=2017-02-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=177551, encodeId=462a1e75512f, content=文章很不错哦, 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/jW482SpianMayicTRbRZ5RzdAIB7UwTkHt6fQkBP8ictliaXtc5gCUmYdAW1sAETC2nhO3q6YjRHkUibyOCtP8ibmXNObTyd63A076/0, createdBy=d4111948983, createdName=1e10c84am36(暂无匿称), createdTime=Thu Feb 23 08:19:01 CST 2017, time=2017-02-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=177459, encodeId=71d31e745933, content=这个队列发了很多文章了, beContent=null, objectType=article, channel=null, level=null, likeNumber=71, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e4cd1660740, createdName=dachengl, createdTime=Wed Feb 22 15:35:06 CST 2017, time=2017-02-22, status=1, ipAttribution=)]
    2017-02-22 dachengl

    这个队列发了很多文章了

    0

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