阻塞性睡眠呼吸暂停患者静息状态脑电功能连通性分析及严重程度分级。

IF 5.2 2区 医学 Q2 ENGINEERING, BIOMEDICAL
Minghui Liu;Ligang Zhou;Yalin Wang;Wentao Lin;Jingchun Luo;Cong Fu;Fengfei Ding;Wei Chen;Chen Chen
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引用次数: 0

摘要

阻塞性睡眠呼吸暂停(OSA)是全球最常见的睡眠障碍之一,与大脑功能密切相关。静息状态脑电图(EEG)以其方便、经济、高时间分辨率等优点,成为研究人类大脑功能的重要工具。这项研究利用了一个有968名参与者的大型队列,他们参加了15分钟的白天静息状态脑电图采集和夜间多导睡眠图(PSG)监测。根据PSG数据得出的呼吸暂停低通气指数(AHI),将参与者分为健康对照组和轻度、中度和重度OSA组。静息状态脑电功能连通性(FC)采用相关性(Corr)、相干性(Coh)、锁相值(PLV)和相位滞后指数(PLI)进行估计。结果显示,随着OSA严重程度的增加,大多数节点间的FC增加,提示可能存在神经代偿。然而,在右侧中央、右侧额叶、左侧中央和左侧顶枕区出现区域性下降。频带越高,FC连接增强越少。图理论分析显示中心性降低,表明通信枢纽减弱和潜在的拓扑重组。采用多变量分析,调整年龄、性别和BMI,作为特征选择策略,确定了OSA严重程度的有效FC特征(p值<调整显著性阈值,2.15e-5)。这些FC特征在机器学习模型中用于严重性分类和增强的可解释性。基于corr的XGBoost模型获得了最高的性能,精度为0.79,AUC为0.90。这些发现强调了OSA相关的脑功能改变,并证明静息状态EEG FC为OSA严重程度分类提供了一种无创、无任务和可解释的工具,而不会干扰自然睡眠。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Resting-State EEG Functional Connectivity for Brain Function Analysis and Severity Classification in Obstructive Sleep Apnea
Obstructive sleep apnea (OSA), one of the most common sleep disorders globally, is closely linked to brain function. Resting-state electroencephalography (EEG), due to its convenience, cost-effectiveness, and high temporal resolution, serves as a valuable tool for exploring the human brain function. This study utilized a large cohort with 968 participants who joined in 15-minute daytime resting-state EEG acquisition and overnight polysomnography (PSG) monitoring. Participants were categorized into healthy controls and mild, moderate, and severe OSA groups based on apnea-hypopnea index (AHI) derived from PSG data. Resting-state EEG functional connectivity (FC) was estimated using correlation (Corr), coherence (Coh), phase-locking value (PLV), and phase lag index (PLI). Results showed that FC between most nodes increased with the OSA severity, which suggest the potential neural compensation. However, regional decreases emerged in the right central, right frontal, left central, and left parieto-occipital regions. Higher frequency bands exhibited fewer enhanced FC connections. Graph-theoretical analysis revealed reduced centrality, indicating weakened communication hubs and potential topological reorganization. Multivariate analysis with adjustment of age, sex, and BMI, was also used as a feature selection strategy, identified effective FC features of OSA severity (p value < adjusted significance threshold, 2.15e-5). These FC features were used in machine learning models for severity classification and enhanced interpretability. The Corr-based XGBoost model achieved the highest performance, with an accuracy of 0.79 and AUC of 0.90. These findings highlight OSA-related brain function alterations and demonstrate that resting-state EEG FC provides a non-invasive, task-free and interpretable tool for OSA severity classification without disrupting natural sleep.
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来源期刊
CiteScore
8.60
自引率
8.20%
发文量
479
审稿时长
6-12 weeks
期刊介绍: Rehabilitative and neural aspects of biomedical engineering, including functional electrical stimulation, acoustic dynamics, human performance measurement and analysis, nerve stimulation, electromyography, motor control and stimulation; and hardware and software applications for rehabilitation engineering and assistive devices.
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