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JAMA Neurol:白质高信号与老年帕金森病病理及进展的关系

2021-11-07 Naomi MedSci原创

帕金森森病(PD)是最常见的神经退行性疾病之一,以运动迟缓、静止性震颤、僵硬和姿势不稳为特征。在这项队列研究中,老年人大脑中WMH和脑血管疾病病理指数的较高水平与更快速的进展性帕金森病相关

      帕金森病(PD)是最常见的神经退行性疾病之一,以运动迟缓、静止性震颤、僵硬和姿势不稳为特征。帕金森病不是良性的,因为它与许多不利的健康后果有关,包括残疾、跌倒、痴呆和死亡。了解帕金森病的生物学基础对于开发治疗方法以减少其公共健康至关重要

      虽然帕金森病在老年人中很常见,但其病理基础仍然存在争议。流行病学研究估计帕金森病在80岁以上的成年人中的患病率为2%到5%,这远远低于帕金森病的估计患病率高达50%。与帕金森病相关的基因变异与老年人帕金森病无关。脑磁共振成像(MRI)和尸检研究表明,在没有帕金森病的老年人中,一个或多个脑血管疾病病理标志物通常与帕金森病的严重程度有关。因此,聚合证据表明,只有少数病例与帕金森病的严重程度有关。

      少有纵向研究研究脑成像或尸检脑血管疾病病理与老年人进行性帕金森病的关系。最近的研究发现脑血管疾病的脑部病理与帕金森病进展较快相关。但是这些研究没有评估脑白质高信号(WMH)对帕金森病进展的影响。

      近日,有研究人员通过检查神经退行性病变(包括帕金森病和脑血管病),以证实脑白质高强度(WMH)的负担是否与进展性帕金森病的发生率有关。为了确保WMH指标与死后脑病理指标同时获得,研究人员使用了体外脑成像的WMH分级。

      这项以社区为基础的队列研究包括1994年、1997年和2004年开始登记的3个正在进行的队列中招募的参与者。在死亡之前,参与者接受了平均7.5年的观察,并进行了年度临床评估。在3个队列中登记的4427名参与者中,有2134人死亡。对1725名死者进行了尸检,其中598人还进行了体外脑磁共振成像。如果参与者遗漏了9项死后病理指标中的任何一项(n=22),或重复帕金森病评估(n=41),或在研究前或研究期间的任何时候接受过帕金森病的临床诊断(n=19),则被排除在外。对2020年4月至2021年8月的数据进行了分析。

     采用改良的Fazekas评定量表评估WMH负荷。

     每年使用统一帕金森病评定量表中修改后的运动部分的26个项目对帕金森病进行评估。总分是从条目分数发展而来的,分数越高,表明帕金森病越严重。


  • 在516例死者中,364例(70.5%)为女性,平均死亡年龄为90.2岁(6.4岁)。
  • 体重指数越高,进展越快的帕金森病患者越多(估计为0.024;SE为0.008;P=0.002)。
  • 在控制脑血管疾病病理指标时,这种相关性的减弱比控制神经退行性疾病时更大(脑血管疾病:估计,0.019;SE,0.008;P=0.02;神经退行性:估计,0.022;SE,0.008;P=0.003),但两者仍然显著。

     在这项队列研究中,老年人大脑中WMH和脑血管疾病病理指数的较高水平与更快速的进展性帕金森病相关。这还需要进一步的研究来确定,对老年人进行活体脑成像以寻找WMH的证据,并对血管危险因素和疾病进行积极的药物治疗,是否可以降低晚年帕金森病的发生或严重程度。

文献来源:https://jamanetwork-com.fjny.80599.net/journals/jamaneurology/article-abstract/2785851

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    2022-07-28 yinhl1978
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    2021-11-07 查查佳佳

    届医学市场年会持续三天,有超过百个主题内

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1765923, encodeId=65271e65923e7, content=<a href='/topic/show?id=252ae1803a3' target=_blank style='color:#2F92EE;'>#白质#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=101, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71803, encryptionId=252ae1803a3, topicName=白质)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=778d36, createdName=柳叶一刀, createdTime=Sun Mar 13 01:44:13 CST 2022, time=2022-03-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1950843, encodeId=e0fa1950843ad, content=<a href='/topic/show?id=20101021e97e' target=_blank style='color:#2F92EE;'>#高信号#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=102179, encryptionId=20101021e97e, topicName=高信号)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=08e4137, createdName=meichuangyi, createdTime=Sat Apr 30 06:44:13 CST 2022, time=2022-04-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2001606, encodeId=a859200160605, content=<a href='/topic/show?id=d5df12695e6' target=_blank style='color:#2F92EE;'>#Neurol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=92, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12695, encryptionId=d5df12695e6, topicName=Neurol)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8217292, createdName=yinhl1978, createdTime=Thu Jul 28 01:44:13 CST 2022, time=2022-07-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1417587, encodeId=ae24141e587fc, content=<a href='/topic/show?id=c667e181616' target=_blank style='color:#2F92EE;'>#白质高信号#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71816, encryptionId=c667e181616, topicName=白质高信号)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=44693296090, createdName=zhangph, createdTime=Tue Nov 09 07:44:13 CST 2021, time=2021-11-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1067924, encodeId=a11c106e924af, content=届医学市场年会持续三天,有超过百个主题内, beContent=null, objectType=article, channel=null, level=null, likeNumber=131, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTIrrxxDxnLic8t6EAs38Qfwo6H2h6JMleIgb9OSYf6LMnVDkQEqUXWoSDWboibjhOBI9SJDTXweqQIA/132, createdBy=50aa5321359, createdName=查查佳佳, createdTime=Sun Nov 07 21:37:42 CST 2021, time=2021-11-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1067887, encodeId=427b106e88727, content=谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=136, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=644b2182796, createdName=1207866fm50(暂无昵称), createdTime=Sun Nov 07 20:09:50 CST 2021, time=2021-11-07, status=1, ipAttribution=)]
    2021-11-07 1207866fm50(暂无昵称)

    谢谢分享

    0

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