首页> 外文期刊>Clinical EEG and neuroscience: official journal of the EEG and Clinical Neuroscience Society (ENCS) >Background Rhythm Frequency and Theta Power of Quantitative EEG Analysis: Predictive Biomarkers for Cognitive Impairment Post-Cerebral Infarcts
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Background Rhythm Frequency and Theta Power of Quantitative EEG Analysis: Predictive Biomarkers for Cognitive Impairment Post-Cerebral Infarcts

机译:脑电图定量分析的背景节律频率和theta功率:脑梗死后认知障碍的预测生物标志物。

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摘要

In clinical settings, cerebral infarct is a common disease of older adults, which usually increases the risk of cognitive impairment. This study aims to assess the quantitative electroencephalography (qEEG) as a predictive biomarker for the development of cognitive impairment, post-cerebral infarcts, in subjects from the Department of Neurology. They underwent biennial EEG recording. Cerebral infarct subjects, with follow-up cognitive evaluation, were analyzed for qEEG measures of background rhythm frequency (BRF) and relative , , , and band power. The relationship between cognitive impairment and qEEG, and other possible predictors, was assessed by Cox regression. The results showed that the risk hazard of developing cognitive impairment was 14 times higher for those with low BRF than for those with high BRF (P < .001). Hazard ratio (HR) was also significant for more than median band power (HR = 5, P = .002) compared with less than median band power. The HRs for , , and bands were equal to the baseline demographic, and clinical characteristics were not significantly different. In conclusion, qEEG measures of BRF, and relative power in band, are potential predictive biomarkers for cognitive impairment in patients with cerebral infarcts. These biomarkers might be valuable in early prediction of cognitive impairment in patients with cerebral infarcts.
机译:在临床环境中,脑梗塞是老年人的常见病,通常会增加认知障碍的风险。这项研究旨在评估定量脑电图(qEEG),作为神经科患者认知障碍,脑梗死后发展的预测生物标志物。他们进行了两年一次的脑电图记录。通过随访认知评估,对脑梗死受试者的背景心律频率(BRF)以及相对,,和带功率进行qEEG量度。通过Cox回归评估认知障碍与qEEG以及其他可能的预测因素之间的关系。结果表明,BRF低的人发生认知障碍的风险比BRF高的人高14倍(P <.001)。危险比(HR)大于中位数带功率(HR = 5,P = 0.002),而小于中位数带功率也很显着。 ,和的心率与基线人群相同,临床特征无显着差异。总之,qEEG BRF量度和带内相对功率是脑梗死患者认知障碍的潜在预测生物标志物。这些生物标志物可能对脑梗死患者认知障碍的早期预测很有价值。

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