JNNP:蛛网膜下腔出血的不良结局,随时间如何变化?

2021-07-10 Freeman MedSci原创

蛛网膜下腔出血的不良结局,随时间如何变化?

据报道,动脉瘤性蛛网膜下腔出血(SAH)的病死率约为35%,在老年人中仍然很高。尽管关于动脉瘤性SAH的结果预测模型已被报道,但据目前还没有可视化工具来帮助临床决策,并通过图形显示年龄与不良结果之间的非线性关系来告知患者及其家属。

发达国家的人口老龄化将给未来社会带来前所未有的负担。根据经济合作与发展组织的数据,日本是全球预期寿命最高的国家。因此,它是一个适合进行高龄影响研究的国家。

已有文献记载,高龄和初始神经状态不佳对通过手术夹闭或血管内钉扎治疗的动脉瘤性SAH患者的结果有不利影响。根据不同的报告,临床阈值年龄为70或75岁。此外,在一些临床领域,年龄和结果之间的相关性被认为是非线性的。

然而,到目前为止,还没有关于动脉瘤性SAH的这种非线性相关性的详细分析和可视化的报道。因此,需要根据动脉瘤性SAH患者的初始神经系统状况,对这种相关性进行可视化的研究作为参考。

藉此,Shimane Prefectural Central Hospital的Fusao Ikawa等人,使用了日本全国范围内的临床注册数据,以可视化的方式显示了根治性动脉瘤SAH患者的年龄和出院时的不良结果之间的非线性相关性。

他们从日本卒中数据库登记处提取了2000年至2017年期间SAH发病后3天内通过手术切除或血管内钉扎治疗的SAH患者数据。出院时修改后的Rankin量表评分≥3分即为不良后果。变量的重要性是用机器学习(随机森林)模型计算的。在调整协变量的情况下,年龄和不良后果之间的相关性是使用广义加性模型(generalised additive
models)确定的。

他们总共纳入4149名患者进行分析。WFNS等级和年龄在预测结果中具有最大和第二大的变量重要性。在调整了其他协变量后,年龄与不良结局之间的非线性相关关系得以显现。

对于I-III级,单位年龄的风险斜率在年轻时相对较小,在年长时较大;对于IV级,斜率即使在年轻时也很陡峭;而对于V级,斜率相对平稳,但即使在年轻时也有高风险。

这个研究的重要意义在于,将年龄与不良结局之间的非线性相关关系清晰地可视化,可以帮助临床决策,帮助动脉瘤性SAH患者及其家属更好地了解情况。

原文出处:
Ikawa F, Ichihara N, Uno M, et al
Visualisation of the non-linear correlation between age and poor outcome in patients with aneurysmal subarachnoid haemorrhage
Journal of Neurology, Neurosurgery & Psychiatry Published Online First: 15 June 2021. doi: 10.1136/jnnp-2020-325306

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1654513, encodeId=959d16545137a, content=<a href='/topic/show?id=5ab788e81d3' target=_blank style='color:#2F92EE;'>#蛛网膜#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=88781, encryptionId=5ab788e81d3, topicName=蛛网膜)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4c37265, createdName=医者仁心, createdTime=Sat May 21 03:15:03 CST 2022, time=2022-05-21, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=998158, encodeId=6dcb99815898, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=abe25434876, createdName=ms6000000196724174, createdTime=Sat Jul 10 10:28:45 CST 2021, time=2021-07-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=998127, encodeId=c66d99812efb, content=动脉瘤性蛛网膜下腔出血(SAH)的病死率约为35%, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/Q3auHgzwzM4gCIdSaEkahCNuUWZv4iaKmqvUKHyKnBiarBM9RStQKBeV5Lh6GYYFiamdV5KlSfbLvmAgZTLtq81XA/0, createdBy=13511650672, createdName=言西早, createdTime=Sat Jul 10 07:19:53 CST 2021, time=2021-07-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=998125, encodeId=c38e998125d9, content=学习打卡, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=b7a31928393, createdName=学医无涯, createdTime=Sat Jul 10 07:18:02 CST 2021, time=2021-07-10, status=1, ipAttribution=)]
    2021-07-10 ms6000000196724174

    学习了

    0

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    2021-07-10 言西早

    动脉瘤性蛛网膜下腔出血(SAH)的病死率约为35%

    0

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    2021-07-10 学医无涯

    学习打卡

    0

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