臨床的特徴
Wenkui Xiong1, Zhen Gu2, Bo Hong1
1Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
まとめ
空間記憶検査(SMT)は、高齢者の軽度認知障害(MCI)を効果的に検出します。このデジタル評価は、地域社会における早期の認知症スクリーニングとして有望です。
科学分野:
- 老年医学
- 神経科学
- 認知心理学
背景:
- 軽度認知障害(MCI)は、正常な老化と認知症の間の重要な移行段階です。
- MCIの早期検出は、適時介入と認知症予防に不可欠です。
- 4つの山テスト(4MT)技術を利用した空間記憶検査(SMT)は、視空間能力を評価し、早期の認知低下を示す可能性があります。
研究 の 目的:
- 地域ベースの高齢者コホートにおける軽度認知障害(MCI)の特定のための空間記憶検査(SMT)の診断的有用性を調査すること。
- 正常認知とMCIを区別するSMTの能力を評価すること。
- SMTのパフォーマンスと他の確立された神経心理学的検査との相関を調査すること。
主な方法:
- 上海脳老化研究の336人の高齢者コホートを、正常認知(NC)群とMCI群に分けました。
- NC群とMCI群の間でSMTスコアを比較しました。
- 人口統計学的要因を制御して、MCIのSMTスコアの診断精度を評価するために回帰分析が用いられました。
主要な成果:
- NC群の個人は、MCI群と比較して有意に高いSMTスコアを達成しました(9.95±1.74 vs 6.38±1.93、p < 0.001)。
- SMTのパフォーマンスは、記憶、実行機能、処理速度を含む複数の神経心理学的検査と有意に関連していました(p < 0.001)。
- SMTは、年齢、性別、教育を調整した後、MCIに対して優れた予測能力を示し、曲線下面積(AUC)は0.923(p < 0.001)でした。
結論:
- 空間記憶検査(SMT)は、軽度認知障害(MCI)の検出に強力な可能性を示しています。
- SMTのパフォーマンスは、さまざまな認知領域を反映しており、その包括的な評価能力を示唆しています。
- SMTに基づく診断モデルは、認知障害のスクリーニングおよび地域在住の高齢者集団における早期の認知症検出を促進するための貴重なツールとして役立つ可能性があります。
関連する概念動画
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


