Alzheimer's Dementia:脑外伤的人,痴呆风险更高

2021-02-04 Freeman MedSci原创

脑外伤的人,痴呆风险更高

脑外伤史与神经退行性疾病之间复杂的相互作用是一个活跃的研究领域,近年来取得了很大进展。一个突出的理论是,TBI可能促使或缓和衰老中认知能力下降的过程,进而导致一些人提前出现痴呆综合征。

有趣的是,认知和其他神经精神症状(NPS),例如,注意力差、执行功能障碍、冷漠)可能会在TBI后长期存在,这和其他痴呆综合征的症状相似。基于国家阿尔茨海默氏症协调中心统一数据集(NACC-UDS)的研究,显示TBI历史与临床医生误诊阿尔茨海默氏症(使用金标准尸检神经病理学评估的假阳性增加)相关。

尽管广泛调查了:(1)TBI与痴呆症的关系,以及(2)NPS与痴呆症认知能力下降之间的联系,但对痴呆症发展过程中TBI对NPS的影响研究甚少。

TBI后发生的NPS往往是短暂的,然而,在一部分人群中,症状会永久存在,并导致生活质量的显著下降,与相关的痴呆发病无关。

鉴于97%的痴呆症患者在病程中的某一时刻,NPS伴随着认知能力下降,NPS代表着痴呆症综合征模式识别和治疗的一个重要组成部分。虽然研究很少,但有限的数据表明,TBI史可以影响痴呆中NPS的表现。例如,在全因性痴呆中,一项研究发现那些有TBI史的人与没有TBI史的人相比,表现出抑制障碍的发生率升高。在帕金森病中,另一项研究发现有TBI史的患者在病程中报告抑郁症的发生率增加。


藉此,约翰霍普金斯大学的Michael J. C. Bray等人,基于NACC-UDS研究TBI、NPS和全因性痴呆中认知能力下降之间的联系。即,在有和没有TBI史的参与者之间,NPS发生率和NPS发病时间相对于痴呆诊断的差异,这些参与者从正常认知发展到全因性痴呆。


他们这对认知正常的参试者进行NPS的发生率检查,在认知正常的参与者中统计了NPS的发生率,这些人 根据是否存在TBI病史,发展为全因性痴呆(n = 130)或不存在(n = 849)。并通过生存分析探究在8年随访中NPS发生率。

结果显示:有TBI史的参与者的冷漠症流行率和发生率都增加了 (44.7% vs 29.9%,P = .0018),此外运动障碍也更普遍。(17.2% vs 9.5%,P = .0458)。

此外,较早的焦虑发病与TBI有关(痴呆诊断前692天 vs 161天,P=.0265)。

这个研究的重要意义在于是,发现了在痴呆的发展过程中,TBI史与NPS风险增加和发病时间提前有关。

原文链接:

Bray, M. J., Richey, L. N., Bryant, B. R., Krieg, A., Jahed, S., Tobolowsky, W., ... & Peters, M. E. (2021). Traumatic brain injury alters neuropsychiatric symptomatology in all‐cause dementia. _Alzheimer's & Dementia_.

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    2021-02-04 妙酒

    也有可能会得痴呆的人脑外伤风险更高

    0

  4. [GetPortalCommentsPageByObjectIdResponse(id=1717985, encodeId=dc4d1e17985a6, content=<a href='/topic/show?id=8f0658433a' target=_blank style='color:#2F92EE;'>#dementia#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5843, encryptionId=8f0658433a, topicName=dementia)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=307e32501717, createdName=linlin2323, createdTime=Wed Oct 06 17:39:56 CST 2021, time=2021-10-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1316767, encodeId=3c171316e6797, content=<a href='/topic/show?id=d3d0e121576' target=_blank style='color:#2F92EE;'>#痴呆风险#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71215, encryptionId=d3d0e121576, topicName=痴呆风险)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a98f453, createdName=pcw106, createdTime=Fri Feb 05 21:39:56 CST 2021, time=2021-02-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=922866, encodeId=b6d192286618, content=也有可能会得痴呆的人脑外伤风险更高, beContent=null, objectType=article, channel=null, level=null, likeNumber=86, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=18df2566800, createdName=妙酒, createdTime=Thu Feb 04 20:27:41 CST 2021, time=2021-02-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=922777, encodeId=2cf3922e7790, content=这是世界难题!, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210121/686fa813d9f7423a8f4eb8d95ffa18dc/2e4411e44b9c4d0db82bc22975780aa8.jpg, createdBy=f18a2482420, createdName=metal分析, createdTime=Thu Feb 04 13:40:37 CST 2021, time=2021-02-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1048720, encodeId=3b521048e204a, content=老年人痴呆何药可用??, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=junJUN, createdTime=Thu Feb 04 09:39:56 CST 2021, time=2021-02-04, status=1, ipAttribution=)]
    2021-02-04 metal分析

    这是世界难题!

    0

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    2021-02-04 junJUN

    老年人痴呆何药可用??

    0

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