临床表现 临床表现
Mason Taylor1, Marc Goodfellow2, Karin Petrini1
1University of Bath, Bath, United Kingdom.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
概括
轻度认知障碍 (MCI) 患者的REM睡眠减少可通过可穿戴EEG检测,并与认知衰退相关,这表明它是早期阿尔茨海默病的生物标志物.
科学领域:
- 神经学 神经学
- 睡眠医学 睡眠医学
- 生物标志物发现发现
背景情况:
- 识别阿尔茨海默病 (AD) 生物标志物对于预防至关重要.
- 睡眠障碍,特别是慢波睡眠 (SWS) 和快速眼动 (REM) 睡眠,是AD病理的早期指标.
- 睡眠评估的多睡眠学 (PSG) 受成本和可访问性限制;可穿戴的EEG提供了一个可行的替代方案.
研究的目的:
- 用可穿戴EEG来评估轻度认知障碍 (MCI) 的睡眠阶段变化.
- 调查MCI睡眠变化和认知功能之间的关联.
主要方法:
- 使用可穿戴EEG设备 (睡眠分析仪) 在家监测7名MCI患者和13名对照者的睡眠.
- 使用蒙特利尔认知评估 (MoCA) 评估全球认知功能.
- 采用U-Sleep深度学习算法进行睡眠评分,与PSG进行验证.
主要成果:
- 与对照组相比,MCI患者的REM睡眠百分比明显较低 (p=0.043).
- 减少REM睡眠百分比与较低的MoCA分数显著相关 (p=0.040).
- 两组之间在其他睡眠阶段没有发现显著差异.
结论:
- 通过可穿戴EEG检测到的REM睡眠减少可能表明早期阿尔茨海默病.
- 这种睡眠变化与MCI的认知衰退有关.
- 在家进行睡眠监测对早期AD检测有希望.
相关概念视频
Chronic Kidney Disease II: Clinical Manifestations
520
Chronic Kidney Disease (CKD) progressively impairs multiple body systems due to the accumulation of uremic toxins, which disrupt cellular functions across various organs.Neurologic symptomsNeurologic symptoms often arise early in CKD, as uremic toxin buildup drives changes in cognitive and motor functions. Patients frequently experience fatigue, headache, confusion, difficulty concentrating, and, in severe cases, seizures. Peripheral neuropathy commonly manifests as burning sensations in the...
520
Coronary Artery Disease III: Clinical Manifestations
299
Coronary Artery Disease (CAD) is a primary health risk worldwide, leading to significant morbidity and mortality. The condition arises from the buildup of atherosclerotic plaques within the coronary arteries, resulting in diminished blood supply to the heart muscle.The clinical manifestations of CAD vary widely, from asymptomatic stages to severe, life-threatening conditions. Understanding these manifestations is crucial for early diagnosis and effective management.Angina Pectoris: The Warning...
299
Endocarditis II: Clinical Features of Infective Endocarditis
364
Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...
364
Heart Failure III: Clinical Manifestations
436
Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...
436
Gastroesophageal Reflux Disease II: Clinical Features and Management
652
Gastroesophageal reflux disease, or GERD, is a persistent medical condition that affects many individuals worldwide. Its clinical manifestations can vary greatly, making diagnosis and management challenging for healthcare professionals. The following is a comprehensive overview of the clinical manifestations, assessment, and management strategies for GERD.
Clinical Manifestations
GERD presents itself in a multitude of ways, with symptoms varying from person to person. The hallmark symptoms are...
Clinical Manifestations
GERD presents itself in a multitude of ways, with symptoms varying from person to person. The hallmark symptoms are...
652
Hypertension III: Clinical Manifestations and Diagnostic Studies
437
Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
437


