盘点:JACC10月第3期研究一览

2017-10-17 MedSci MedSci原创

1. 房颤致左室收缩功能不全尚未得到充分重视DOI: 10.1016/j.jacc.2017.08.041房颤和左室收缩功能不全(LVSD)常合并出现。本次多中心随机对照临床研究纳入了持续性房颤伴特发性心肌病(左室射血分数[LVEF]≤45%)的患者。患者在随机分成导管消融治疗组和药物控制组之前,接受了心脏增强磁共振检查,以评估是否存在室壁纤维瘤。导管消融包括肺静脉隔离治疗和后壁静脉隔离治疗。

DOI: 10.1016/j.jacc.2017.08.041

房颤和左室收缩功能不全(LVSD)常合并出现。本次多中心随机对照临床研究纳入了持续性房颤伴特发性心肌病(左室射血分数[LVEF]≤45%)的患者。患者在随机分成导管消融治疗组和药物控制组之前,接受了心脏增强磁共振检查,以评估是否存在室壁纤维瘤。导管消融包括肺静脉隔离治疗和后壁静脉隔离治疗。患者消融后的房颤情况评估由植入式循环记录器完成,主要终点事件是6个月后心脏增强磁共振的LVEF变化情况。最终,本研共纳入68例患者,每组33例患者(2例患者中途退出)。导管消融治疗后患者的平均房颤负担为1.6 ± 5.0%。在意向治疗分析后,导管消融组患者的LVEF绝对值提高了18 ± 13%,有58%患者恢复至正常水平,药物控制组患者的LVEF提高了4.4 ± 13%(p<0.0001),有9%患者恢复至正常水平(p = 0.0002)。研究结果显示,房颤致左室收缩功能不全还未得到充分重视,通过导管消融矫正至窦性心律可明显提高患者左室收缩功能。

DOI: 10.1016/j.jacc.2017.08.050

心肌炎由于缺乏特异性的临床标志物和症状导致难以及时明确诊断,心脏磁共振成像(CMR)技术既能评估心脏的解剖结构,也能对组织特性进行评估,但其对有疑似心肌炎患者的诊断价值尚未得到评估。本研究纳入了2002年至2015年670例疑似有心肌炎的患者,对所有患者进行了心脏磁共振成像检查,包括延迟钆增强(LGE)参数的评估,并对其进行随访评估。经过平均4.7年(IQR:2.3-7.3年)时间的随访,98例患者出现了不良心源性事件(MACE),294例(44%)患者出现有LGE,提示其发生MACE的风险加倍([HR]: 2.22; 95% [CI]: 1.47 - 3.35; p < 0.001),伴或不伴有LGE患者的每年MACE发生率分别为4.8%和2.1%(p < 0.001)。经多元分析后,LGE仍然与MACE发生风险升高呈相关性(HR: 1.72; 95% CI: 1.08 - 2.76; p = 0.023)。考虑到LGE的位置和模式,心脏间隔的LGE与MACE发生风险的相关性最强。LGE每增强10%,患者MACE发生的风险增加79%(HR: 1.79; 95% CI: 1.25 - 2.57; p = 0.002)。此外,CMR检查结果正常者的每年MACE发生率和死亡率分别为0.8%和0.3%。研究结果显示,心脏磁共振成像技术可以将心肌炎疑似患者进行有效的危险分层。

DOI: 10.1016/j.jacc.2017.08.029

Brugada综合征(BrS)患者是否需要接受植入型心律转复式除颤器(ICD)治疗尚存在争议。本研究纳入了370例Brugada综合征患者,其中有104例(28.1%)患者接受了ICD治疗,患者的年龄为43 ± 14岁,男性占74%。对患者的长期卒中和其他并发症进行随访评估。在104例接受ICD治疗患者中,有10例患者为二级预防,94例(90.4%)为一级预防。经过9.3 ± 5.1年时间的随访,有21例患者(20.2%)出现了81次卒中事件(2.2次/人年),卒中的发生率在二级预防患者中更高(p < 0.01)。此外,在45例无症状的患者中,有4例(8.9%)患者接受了ICD治疗。多元分析后,1型心电图伴晕厥(HR: 4.96; 95% Cl: 1.87 - 13.14; p < 0.01)和二级预防的指征(HR: 6.85; 95% Cl: 2.29 - 20.50; p < 0.01)是ICD治疗的理想适应症。有21例患者(20.2%)出现有ICD其他的并发症,3例患者(2.9%)出现死亡。研究结果显示,ICD治疗是高危Brugada综合征患者的有效治疗手段,然而同时也会出现相关的并发症,对于接受ICD治疗的患者需要密切随访。

DOI: 10.1016/j.jacc.2017.08.053

脂蛋白的非酶糖基化作用在糖尿病患者血管并发症的发生过程中起到重要作用。本研究纳入了204名不伴有CAD的T2DM患者(第一组),515名伴有CAD的T2DM患者(第二组)和176名正常对照。apoA-IV是从高密度脂蛋白的超离心产物中沉淀出来的,其糖基化水平是根据Western Blot检测而出。apoA-IV羧甲基赖氨酸的修饰位点通过质谱分析方法在37例正常对照、63例第一组患者和138例第二组患者中检测。糖基化的apoA-IV被注射到apoE-/-小鼠体内来评估动脉粥样硬化和做细胞相关实验。研究结果表明,apoA-IV的糖基化水平与CAD的发病呈相关性(p<0.05)。体外实验结果表明糖基化的apoA-IV有促炎作用,并且能够诱发apoE-/-小鼠的动脉粥样硬化的发生,将糖基化的apoA-IV的糖基化位点突变掉后,其促炎作用和促动脉粥样硬化作用会减弱。研究结果显示,apoA-IV的糖基化水平与T2DM患者的冠心病发生呈明显相关性。糖基化的apoA-IV可以诱发apoE-/-小鼠动脉粥样硬化。

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    2018-01-12 hbwxf
  2. [GetPortalCommentsPageByObjectIdResponse(id=1853810, encodeId=349118538109f, content=<a href='/topic/show?id=48351020537' target=_blank style='color:#2F92EE;'>#JACC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10205, encryptionId=48351020537, topicName=JACC)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=55ce62, createdName=hbwxf, createdTime=Fri Jan 12 10:11:00 CST 2018, time=2018-01-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=254349, encodeId=20e725434917, content=学习了谢谢分享!!, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200816/e4675a86ea694f12b82202b320dc2654/12f6b900498349e994ce8f516a584d6a.jpg, createdBy=09431951290, createdName=大爰, createdTime=Thu Oct 19 17:50:36 CST 2017, time=2017-10-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=254236, encodeId=218425423656, content=很好很好很好, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/10/07/8c1e5a0085f3b74f3a4ab58a38a3d487.jpg, createdBy=b33e2159612, createdName=2227437833_79976374, createdTime=Thu Oct 19 08:09:51 CST 2017, time=2017-10-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1325563, encodeId=e2761325563bd, content=<a href='/topic/show?id=96c71804b7' target=_blank style='color:#2F92EE;'>#ACC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1804, encryptionId=96c71804b7, topicName=ACC)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1e452500029, createdName=12498568m50暂无昵称, createdTime=Thu Oct 19 07:11:00 CST 2017, time=2017-10-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=253956, encodeId=2d3e253956fe, content=很好很好很好, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/10/07/8c1e5a0085f3b74f3a4ab58a38a3d487.jpg, createdBy=b33e2159612, createdName=2227437833_79976374, createdTime=Wed Oct 18 07:54:28 CST 2017, time=2017-10-18, status=1, ipAttribution=)]
    2017-10-19 大爰

    学习了谢谢分享!!

    0

  3. [GetPortalCommentsPageByObjectIdResponse(id=1853810, encodeId=349118538109f, content=<a href='/topic/show?id=48351020537' target=_blank style='color:#2F92EE;'>#JACC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10205, encryptionId=48351020537, topicName=JACC)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=55ce62, createdName=hbwxf, createdTime=Fri Jan 12 10:11:00 CST 2018, time=2018-01-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=254349, encodeId=20e725434917, content=学习了谢谢分享!!, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20200816/e4675a86ea694f12b82202b320dc2654/12f6b900498349e994ce8f516a584d6a.jpg, createdBy=09431951290, createdName=大爰, createdTime=Thu Oct 19 17:50:36 CST 2017, time=2017-10-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=254236, encodeId=218425423656, content=很好很好很好, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/10/07/8c1e5a0085f3b74f3a4ab58a38a3d487.jpg, createdBy=b33e2159612, createdName=2227437833_79976374, createdTime=Thu Oct 19 08:09:51 CST 2017, time=2017-10-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1325563, encodeId=e2761325563bd, content=<a href='/topic/show?id=96c71804b7' target=_blank style='color:#2F92EE;'>#ACC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=1804, encryptionId=96c71804b7, topicName=ACC)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1e452500029, createdName=12498568m50暂无昵称, createdTime=Thu Oct 19 07:11:00 CST 2017, time=2017-10-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=253956, encodeId=2d3e253956fe, content=很好很好很好, beContent=null, objectType=article, channel=null, level=null, likeNumber=50, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2017/10/07/8c1e5a0085f3b74f3a4ab58a38a3d487.jpg, createdBy=b33e2159612, createdName=2227437833_79976374, createdTime=Wed Oct 18 07:54:28 CST 2017, time=2017-10-18, status=1, ipAttribution=)]
    2017-10-19 2227437833_79976374

    很好很好很好

    0

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    2017-10-18 2227437833_79976374

    很好很好很好

    0

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