American Heart J: 心肌梗死患者早期进行氧疗究竟有多大的作用?

2021-04-15 MedSci原创 MedSci原创

目前对于心肌梗死(MI)患者早期是否要进行额外的氧气治疗还存在争议,虽然有研究显示可疑急性心肌梗塞(DETO2X-AMI)中进行氧气治疗与死亡率降低有相关性。

      目前对于心肌梗死(MI)患者早期是否要进行额外的氧气治疗还存在争议,虽然有研究显示可疑急性心肌梗塞(DETO2X-AMI)中进行氧气治疗与死亡率降低有相关性,但是对于已经确诊的心肌梗死患者进行氧疗是否还有必要并没有研究证据支持。其中的原因很复杂,比如,患有MI的女性和男性在人口统计学和基线特征上存在很大差异。例如,患有MI的女性年龄较大,合并症较多,但梗阻性冠心病较少,因此,与男性相比,女性非梗阻性冠状动脉(MINOCA)的发生率成比例地更高,因此,在男性和女性患者发生急性心肌梗死时,氧疗的效果可能存在差异。对此,本项研究旨在探究确诊的心肌梗塞(MI)患者中,氧疗对与性别相关的血管结局的影响。

 

      研究人员将6,629名疑似心肌梗死的患者以6L/min的速度随机分配氧气治疗或者常规空气治疗,持续6-12小时。所有患者中包括了5010例确诊为MI的患者(1388名女性和3622名男性),对于患者进行长期的跟踪随访中探究氧气对患者全因死亡,住院或心力衰竭的复合影响。

 

      研究结果显示接受氧疗的女性MI患者的复合终点事件发生率为18.1%,而分配给常规空气治疗的女性MI患者发生终点事件的概率为21.4%(危险比[HR] 0.83,95%置信区间[CI] 0.65-1.05)。在男性中,接受氧气治疗的患者的终点事件的发生率为13.6%,而接受常规空气的患者的终点事件的发生率为13.3%(HR 1.03,95%CI 0.86-1.23)。研究人员未发现与性别相关的显着相互作用(P = 0.16)。无论采用何种治疗方法,女性的综合终点发生率均高于男性(19.7 vs 13.4%,HR 1.51; 95%CI,1.30-1.75)。

图:氧疗对于心肌梗死的影响

      本项研究证实确诊心梗的患者进行氧气疗法对男女的心梗或心力衰竭的全因死亡率或重新住院均无明显影响。

 

 

原始出处:

Joakim Alfredsson. Et al. Randomized comparison of early supplemental oxygen versus ambient air in patients with confirmed myocardial infarction: Sex-related outcomes from DETO2X-AMI. American Heart Journal.2021.

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    2021-04-16 七安

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    2021-04-17 zhaojie88
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    2021-04-17 rgjl
  4. [GetPortalCommentsPageByObjectIdResponse(id=957513, encodeId=325f95e513e5, content=三人行,必有我师。 <a href='/topic/show?id=d55f104233bd' target=_blank style='color:#2F92EE;'>#williamhill asia 医学科研互助群#</a> 欢迎您的加入,添加【williamhill asia 医学科研助手WeChat:medsci_2021】邀您进群! 【社群简介】👉 williamhill asia 医学目前已建立覆盖肿瘤、心血管、神经、消化、内分泌、呼吸等30个科室的学习交流社群。 【入群福利】👉 群内可实时交流病例,提问同行,跨群讨论,每天更新前沿医学威廉亚洲官网 和威廉亚洲博彩公司 共识,每周推出至少1场专业直播,不时共享科研干货,入群即可获得100份SCI写作攻略!, beContent=null, objectType=article, channel=null, level=null, likeNumber=85, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=104233, encryptionId=d55f104233bd, topicName=williamhill asia 医学科研互助群)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210413/a7082efd72134f339011deffae56d660/9f9bdab2a00341ce92bf6fd196c67f81.png, createdBy=4e205474392, createdName=七安, createdTime=Fri Apr 16 10:06:04 CST 2021, time=2021-04-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1357689, encodeId=9063135e6890f, content=<a href='/topic/show?id=b0702e84b9' target=_blank style='color:#2F92EE;'>#ART#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2784, encryptionId=b0702e84b9, topicName=ART)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=zhaojie88, createdTime=Sat Apr 17 13:50:06 CST 2021, time=2021-04-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1466563, encodeId=248f14665636a, content=<a href='/topic/show?id=621d6402097' target=_blank style='color:#2F92EE;'>#氧疗#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=64020, encryptionId=621d6402097, topicName=氧疗)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8a786841989, createdName=rgjl, createdTime=Sat Apr 17 13:50:06 CST 2021, time=2021-04-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1563444, encodeId=db5c156344472, content=<a href='/topic/show?id=f69d864413' target=_blank style='color:#2F92EE;'>#HEART#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, 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=Sat Apr 17 13:50:06 CST 2021, time=2021-04-17, status=1, ipAttribution=)]
    2021-04-17 slcumt

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