ESC Heart Fail:射血分数保留和肺动脉高压的心衰患者弥漫性右心室纤维化情况

2020-04-20 MedSci原创 MedSci原创

右心室(RV)功能障碍与合并病性肺动脉高压和伴有射血分数(PH-HFpEF)保留的心力衰竭不良预后有关,但尚不清楚导致RV功能障碍的机制。我们评估了PH-HFpEF中弥漫性RV心肌纤维化的程度和临床相

右心室(RV)功能障碍与合并病性肺动脉高压和伴有射血分数(PH-HFpEF)保留的心力衰竭不良预后有关,但尚不清楚导致RV功能障碍的机制。我们评估了PH-HFpEF中弥漫性RV心肌纤维化的程度和临床相关性,通过心血管磁共振衍生的细胞外体积(ECV)进行测量。

 

研究人员前瞻性地招募了参与者PH-HFpEF(n = 14),肺动脉高压(PAH; n = 13)和对照(n = 8)。所有参与者均接受了高分辨率的心血管磁共振检查,病例受试者(PH-HFpEF和PAH)还接受了右心导管检查。

 

结果显示,与PAH相比,PH-HFpEF的患者年龄更大,高血压和阻塞性睡眠呼吸暂停的发生率更高。虽然PH-HFpEF和PAH之间的RV ECV相似(33.1±8.0 vs. 34.0±4.5%; P = 0.57),但与PAH相比,PH-HFpEF的总肺阻力较低[PH-HFpEF: 5.68 WU(4.70,7.66 WU)vs PAH:8.59 WU(8.14,12.57 WU);P = 0.01]。PH-HFpEF中的RV ECV与较差的RV结构(RV舒张末期容积:r = 0.67,P = 0.01)和RV功能(RV游离壁应变:r = 0.59,P = 0.03)的指标较差有关,但与RV后负荷(总肺阻力:r = 0.08,P = 0.79)无关。相反,PAH中的RV ECV与RV后负荷之间有很强的相关性(r = 0.57,P = 0.04)。

 

综上所述,该研究结果表明,正如ECV检测的结果一样,PH-HFpEF中存在弥漫性房室纤维化,与不良的房室结构和功能重塑有关,但与肺血管病变程度无关。在PH-HFpEF中,弥漫性RV纤维化的发生可能与RV后负荷程度不相称。

 

原始出处:

 

Ravi B. Patel,  Emily Li, et al., Diffuse right ventricular fibrosis in heart failure with preserved ejection fraction and pulmonary hypertension. ESC Heart Fail. 2020 Feb; 7(1): 253–263. doi: 10.1002/ehf2.12565

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    2020-04-22 zhaojie88
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    2020-04-22 slcumt
  8. [GetPortalCommentsPageByObjectIdResponse(id=1746314, encodeId=d36f1e46314f6, content=<a href='/topic/show?id=699a46801f4' target=_blank style='color:#2F92EE;'>#射血分数保留#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=46801, encryptionId=699a46801f4, topicName=射血分数保留)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c84e35706999, createdName=lixiao3338, createdTime=Tue Jul 21 20:03:44 CST 2020, time=2020-07-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1925329, encodeId=14dd19253291a, content=<a href='/topic/show?id=26d633354c9' target=_blank style='color:#2F92EE;'>#动脉高压#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=33354, encryptionId=26d633354c9, topicName=动脉高压)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=44a360, createdName=jklm09, createdTime=Fri Mar 05 23:03:44 CST 2021, time=2021-03-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1357484, encodeId=9bc3135e48430, content=<a href='/topic/show?id=b0702e84b9' target=_blank style='color:#2F92EE;'>#ART#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=33, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2784, encryptionId=b0702e84b9, topicName=ART)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=zhaojie88, createdTime=Wed Apr 22 11:03:44 CST 2020, time=2020-04-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1373477, encodeId=691b13e347748, content=<a href='/topic/show?id=2fd051939ab' target=_blank style='color:#2F92EE;'>#心衰患者#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=51939, encryptionId=2fd051939ab, topicName=心衰患者)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=467c360, createdName=yuanming7, createdTime=Wed Apr 22 11:03:44 CST 2020, time=2020-04-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1438630, encodeId=eccb1438630da, content=<a href='/topic/show?id=9851500416c' target=_blank style='color:#2F92EE;'>#弥漫性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=50041, encryptionId=9851500416c, topicName=弥漫性)], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/aLGWoFXAyMbIu3qymFOyheQLjPSX3OUs5GmkyBlcCOwTPIeq3why9NGibxxUqYo6hcx8qZLHZFgNPnBK1yzWeOFpyg2OnWOt0/0, createdBy=fa4716, createdName=zhouqu_8, createdTime=Wed Apr 22 11:03:44 CST 2020, time=2020-04-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1543770, encodeId=51291543e7033, content=<a href='/topic/show?id=52d93862e06' target=_blank style='color:#2F92EE;'>#右心室#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=38627, encryptionId=52d93862e06, topicName=右心室)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f18d13610637, createdName=124988c7m99暂无昵称, createdTime=Wed Apr 22 11:03:44 CST 2020, time=2020-04-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1563291, encodeId=0ec1156329123, content=<a href='/topic/show?id=f69d864413' target=_blank style='color:#2F92EE;'>#HEART#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=8644, encryptionId=f69d864413, topicName=HEART)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=80d715270048, createdName=slcumt, createdTime=Wed Apr 22 11:03:44 CST 2020, time=2020-04-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1050890, encodeId=01481050890a6, content=肺动脉高压表面是罕见病,事实上临床上并不少见,治疗药物虽然有一些,但是整体仍然不理解,可能未来需要采用综合治疗措施。, beContent=null, objectType=article, channel=null, level=null, likeNumber=57, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=明天jing, createdTime=Mon Apr 20 23:03:44 CST 2020, time=2020-04-20, status=1, ipAttribution=)]
    2020-04-20 明天jing

    肺动脉高压表面是罕见病,事实上临床上并不少见,治疗药物虽然有一些,但是整体仍然不理解,可能未来需要采用综合治疗措施。

    0

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