NEJM:中度缺血性二尖瓣返流患者手术治疗的2年疗效

2016-04-15 崔倩 译 MedSci原创

在一项比较单独冠状动脉旁路移植术(CABG)与CABG加二尖瓣修复术治疗中度缺血性二尖瓣关闭不全患者的试验中,研究人员发现,在1年后左室收缩末期容积指数(LVESVI) 或生存无显著差异。二尖瓣修复可降低中度或重度二尖瓣关闭不全的发病率,但患者有更多的不良事件。研究人员现在报告2年的结果。研究人员随机分配301例患者接受单独CABG或联合手术治疗。对患者的临床和超声心动图的结果随访2年。在2年时,

在一项比较单独冠状动脉旁路移植术(CABG)与CABG加二尖瓣修复术治疗中度缺血性二尖瓣关闭不全患者的试验中,研究人员发现,在1年后左室收缩末期容积指数(LVESVI) 或生存无显著差异。二尖瓣修复可降低中度或重度二尖瓣关闭不全的发病率,但患者有更多的不良事件。研究人员现在报告2年的结果。

研究人员随机分配301例患者接受单独CABG或联合手术治疗。对患者的临床和超声心动图的结果随访2年。

在2年时,单独CABG组平均(±SD)LVESVI为每平方米体表面积41.2±20.0ml,联合手术组为每平方米43.2±20.6ml(平均基线以上的改善,分别为每平方米-14.1ml和-14.6ml)。单独CABG组死亡率为10.6%,而联合手术组为10.0%(联合手术组危险比,0.90; 95%置信区间,0.45至1.83; P=0.78)。在2年时,LVESVI基于等级的评估(包括死亡)没有显著的组间差异(Z分数,0.38; P =0.71)。在2年时,单独CABG组中度或重度残余二尖瓣关闭不全率高于联合手术组(32.3% vs 11.2%,P<0.001)。再入院和严重不良事件的总发生率在这两个组中是相似的,但是神经事件和室上性心律失常仍然在联合治疗组中更加频繁。

在中度缺血性二尖瓣关闭不全接受CABG的患者中,加入二尖瓣修复并没有在2年时对左心室重塑有显著的影响。二尖瓣修复提供了更持久的二尖瓣返流的修正,但没有显著提高生存率或减少总不良事件或再入院事件,并且还增加了神经和室上性心律失常的早期危险。

原始出处:

Robert E. Michler,Peter K. Smith,Michael K. Parides,et al.Two-Year Outcomes of Surgical Treatment of Moderate Ischemic Mitral Regurgitation,NEJM,2016.4.3

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    2016-04-17 wwzzly
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    2016-04-15 李继凯

    文章不错

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1892740, encodeId=a36a1892e4042, content=<a href='/topic/show?id=c738e93521f' target=_blank style='color:#2F92EE;'>#缺血性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=17, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=79352, encryptionId=c738e93521f, topicName=缺血性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=66ec123, createdName=guihongzh, createdTime=Thu Feb 23 05:07:00 CST 2017, time=2017-02-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1290583, encodeId=e735129058395, content=<a href='/topic/show?id=e86454454ea' target=_blank style='color:#2F92EE;'>#手术治疗#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=54454, encryptionId=e86454454ea, topicName=手术治疗)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=920c231, createdName=lixiaol, createdTime=Sun Apr 17 03:07:00 CST 2016, time=2016-04-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1418743, encodeId=7c5a1418e43bd, content=<a href='/topic/show?id=e5be23919cf' target=_blank style='color:#2F92EE;'>#二尖瓣返流#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=23919, encryptionId=e5be23919cf, topicName=二尖瓣返流)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=ad623409629, createdName=kksonne, createdTime=Sun Apr 17 03:07:00 CST 2016, time=2016-04-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1463152, encodeId=9e6a146315247, content=<a href='/topic/show?id=cff92389310' target=_blank style='color:#2F92EE;'>#二尖瓣#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=23893, encryptionId=cff92389310, topicName=二尖瓣)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=fdb26536308, createdName=wwzzly, createdTime=Sun Apr 17 03:07:00 CST 2016, time=2016-04-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=78578, encodeId=9877e857818, content=文章不错, beContent=null, objectType=article, channel=null, level=null, likeNumber=95, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=240a1683959, createdName=李继凯, createdTime=Fri Apr 15 20:09:00 CST 2016, time=2016-04-15, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=78579, encodeId=a696e8579e6, content=值得关注, beContent=null, objectType=article, channel=null, level=null, likeNumber=144, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=240a1683959, createdName=李继凯, createdTime=Fri Apr 15 20:09:00 CST 2016, time=2016-04-15, status=1, ipAttribution=)]
    2016-04-15 李继凯

    值得关注

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