Posttraumatic stress symptom severity predicts cognitive decline beyond the effect of Alzheimer's disease biomarkers in Veterans.

Posttraumatic stress symptom severity predicts cognitive decline beyond the effect of Alzheimer's disease biomarkers in Veterans.
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DOI:
10.1038/s41398-023-02354-0
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发表时间:
2023-03-29
影响因子:
6.8
通讯作者:
Hayes, Jasmeet
Hayes, Jasmeet
中科院分区:
医学1区
文献类型:
--
作者:
Prieto, Sarah E.;Nolan, Kate N.;Moody, Jena M.;Hayes, Scott P.;Hayes, Jasmeet

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慢性压力是痴呆症的一个危险因素,但它是否能解释老年人认知能力下降的独特差异,而不是阿尔茨海默病(AD)的生物标志物,目前尚不清楚。在越南退伍军人的临床前队列中,我们检查了创伤后应激障碍(PTSD)症状严重程度,β淀粉样蛋白(Aβ)和tau的AD生物标志物以及两种广泛使用的筛查工具(简易精神状态检查(MMSE)和蒙特利尔认知评估(莫卡))的认知表现变化之间的关系。分析表明,在调整AD生物标志物后,PTSD症状严重程度与MMSE(p < 0.04)和莫卡(p < 0.024)的更大下降相关,特别是莫卡的注意力量表和MMSE的记忆指数。这些分析经受住了多次比较校正。总之,PTSD症状的严重程度与认知能力的加速下降有关。治疗PTSD应该被认为有助于维持成年人的认知功能。
Chronic stress is a risk factor for dementia but whether it explains unique variance in cognitive decline in older adults above Alzheimer’s disease (AD) biomarkers is unknown. In a preclinical cohort of Vietnam Veterans, we examined the relationship between posttraumatic stress disorder (PTSD) symptom severity, AD biomarkers of beta-amyloid (Aβ) and tau, and change in cognitive performance on two widely-used screeners, the Mini-Mental State Examination (MMSE) and the Montreal Cognitive Assessment (MoCA). Analyses indicated that PTSD symptom severity was associated with a greater decline on the MMSE (p < 0.04) and MoCA (p < 0.024) after adjusting for biomarkers of AD, notably on the attention scale of the MoCA and the memory index of the MMSE. These analyses survived multiple comparison corrections. Taken together, PTSD symptom severity is associated with accelerated cognitive decline. Treating PTSD should be considered instrumental to maintaining cognitive function as adults age.
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