JAMA Otolaryngol Head Neck Surg:听觉信号敏感度和中枢听觉处理是否与痴呆和阿兹海默症风险有关?

2021-11-03 AlexYang MedSci原创

调查了信号敏感性和中枢听觉处理与痴呆及阿尔茨海默氏症(AD)风险之间的关联。

与年龄有关的听力障碍可能涉及信号可听性和中枢听觉处理问题。研究表明,可听性与痴呆症风险之间存在关联。根据本文研究人员的认识,他们认为目前能够证明可听性和中枢处理与听力障碍或痴呆症之间关联的数据有限

近期,来自美国的研究人员在《JAMA Otolaryngol Head Neck Surg》上发表文章,调查了信号敏感性和中枢听觉处理与痴呆及阿尔茨海默氏症(AD)风险之间的关联。

研究为随访观察设计,在华盛顿州的一家西部医疗服务系统中进行,患者来自一项前瞻性成人思维变化(ACT)痴呆风险研究。包括了280名没有痴呆症的志愿者参与者,并在2003年10月至2006年2月期间接受了评估,随访至2018年9月。从2019年开始进行数据分析,一直持续到2021年。

听力测试包括纯音信号可听性、单声道单词识别测试和两项双通道测试:双声道句子识别(DSI)测试和双声道数字测试(DDT)。每两年用认知能力筛查工具评估一次认知能力(范围1-100;分数越高越好),分数低于86分则需要进行临床和神经心理学评估。所有数据都均在多学科的共识会议上进行了审查,并使用标准化的准则来定义痴呆症和可能的AD病例。Cox比例危险模型用来确定与听力测试表现的关联。

研究最终包括了280名参与者(177名女性[63%];平均[SD]年龄,79.5[5.2]岁)。截至2018年9月,共有2196人年的随访(平均,7.8年)。研究中,共发生89例痴呆症事件(66例未进行过分析),其中84例(94.4%)为AD(63例未进行过分析)。与DSI评分超过80分的人相比,DSI评分低于50分的参与者患痴呆症的调整危险比(aHR)为4.18(95% CI,2.37-7.38;P<.001);DSI评分为50至80分的参与者危险比为1.82(95% CI,1.10-3.04;P=.02)。与DDT评分超过80分的人相比,DDT评分低于50分的痴呆aHR为2.66(95% CI,1.31-5.42;P=.01);DDT评分为50至80分的人为2.40(95% CI,1.45-3.98;P=0.001)。AD结果也类似。纯音均值与痴呆和AD的关系微弱且不明显,当控制DSI分数时,则没有关联。

有或者没有DDT评分作为连续协变量的条件下,PTA的结果情况

综上所述,中央听觉处理异常与痴呆和AD风险独立相关

原始出处:

Adeeb Mohammed , Laura E Gibbons , George Gates et al. Association of Performance on Dichotic Auditory Tests With Risk for Incident Dementia and Alzheimer Dementia. JAMA Otolaryngol Head Neck Surg. Oct 2021

 

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    2021-11-02 neuro.Dr

    老年性痴呆,未来还是希望借助神经电生理吧,也许更为有效!

    0

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