AHA 2013:缺血性二尖瓣返流—修复瓣膜与置换瓣膜哪种手段更具优势?

2013-11-20 佚名 丁香园

2013年11月18日,美国心脏协会(AHA)2013科学年会公布的最新临床试验显示,严重缺血性二尖瓣返流(SMR)患者接受二尖瓣修复或置换术后的心脏功能和生存率相似,且后者的返流复发率更低。 缺血性二尖瓣返流是心肌梗死的常见并发症,返流严重者可出现包括心力衰竭或心律失常等症状。当前指南推荐可以选择二尖瓣修复术或二尖瓣置换术,但尚无证据证明哪种方式效果更佳,两种方法各

2013年11月18日,美国心脏协会(AHA)2013科学年会公布的最新临床试验显示,严重缺血性二尖瓣返流(SMR)患者接受二尖瓣修复或置换术后的心脏功能和生存率相似,且后者的返流复发率更低。

缺血性二尖瓣返流是心肌梗死的常见并发症,返流严重者可出现包括心力衰竭或心律失常等症状。当前指南推荐可以选择二尖瓣修复术或二尖瓣置换术,但尚无证据证明哪种方式效果更佳,两种方法各有利弊。

心胸外科临床研究网络(CTSN)严重二尖瓣关闭不全(SMR)随机试验是宾夕法尼亚大学佩雷尔曼学院医学院进行的一项为期2年的临床研究。该研究调查了美国22个临床中心251例严重缺血性二尖瓣关闭不全患者,比较125例接受瓣膜置换术患者和126例瓣膜修补患者的预后。

研究发现,1年后修复组的死亡率为14.3%,置换组为17.6%.修复组和置换组左心室收缩末期容积指数(LESVI)分别为53.6 ml/m2和61 ml/m2.两组间严重不良事件、功能状态、生活质量和再住院率无显著差异。术后12个月内二尖瓣返流复发率,修复组为32.6%,置换组仅为2.3%.修复组有3例患者需再次手术,置换组则无。

该研究负责人Michael Acker博士表示,“许多心脏外科医生和心内科医生都有一个明显偏见,认为二尖瓣修复术总是优于置换术,即使对严重二尖瓣返流的患者亦是如此。我们的研究结果则推翻了这样的观点,尽管修复术和置换术的临床结果相似,但二尖瓣修复术的返流复发率更高。对于严重二尖瓣返流的患者来说,二尖瓣置换术或许更胜一筹。


缺血性二尖瓣返流:修复瓣膜与置换瓣膜哪种手段更具优势?

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    2014-06-27 yxch48
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    2013-11-22 zhaohui6731
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    2013-11-22 wwzzly
  6. [GetPortalCommentsPageByObjectIdResponse(id=1892593, encodeId=e8df1892593ad, 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=33, 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=Tue May 13 04:26:00 CST 2014, time=2014-05-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1742262, encodeId=33681e4226210, content=<a href='/topic/show?id=39cae96626f' target=_blank style='color:#2F92EE;'>#置换#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=79662, encryptionId=39cae96626f, topicName=置换)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=3a7c35056336, createdName=yxch48, createdTime=Fri Jun 27 17:26:00 CST 2014, time=2014-06-27, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1267182, encodeId=9bc7126e18238, content=<a href='/topic/show?id=922f21183d' target=_blank style='color:#2F92EE;'>#AHA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2118, encryptionId=922f21183d, topicName=AHA)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bf3d82, createdName=zhaohui6731, createdTime=Fri Nov 22 01:26:00 CST 2013, time=2013-11-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1418739, encodeId=08641418e3978, 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=36, 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=Fri Nov 22 01:26:00 CST 2013, time=2013-11-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1463134, encodeId=528e146313463, 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=35, 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=Fri Nov 22 01:26:00 CST 2013, time=2013-11-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1583431, encodeId=e4571583431ba, content=<a href='/topic/show?id=508d68e698c' target=_blank style='color:#2F92EE;'>#瓣膜#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=68769, encryptionId=508d68e698c, topicName=瓣膜)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=58dc16986228, createdName=12498e5fm17(暂无昵称), createdTime=Fri Nov 22 01:26:00 CST 2013, time=2013-11-22, status=1, ipAttribution=)]