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Chronic Kidney Disease II: Clinical Manifestations01:24

Chronic Kidney Disease II: Clinical Manifestations

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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...
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Coronary Artery Disease III: Clinical Manifestations01:30

Coronary Artery Disease III: Clinical Manifestations

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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...
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Endocarditis II: Clinical Features of Infective Endocarditis01:25

Endocarditis II: Clinical Features of Infective Endocarditis

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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...
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Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

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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...
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Gastroesophageal Reflux Disease II: Clinical Features and Management01:29

Gastroesophageal Reflux Disease II: Clinical Features and Management

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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.
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Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

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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...
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A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
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臨床症状

Gabriela Tomé Oliveira Engelmann1,2,3, Giovanna Correia Pereira Moro1,2,4, Ivonne Carolina Bolaños Burgos5

  • 1Older Adult's Psychiatry and Psychology Extension Program (PROEPSI), School of Medicine, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais, Brazil.

Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
PubMed
まとめ
この要約は機械生成です。

リン酸化タウタンパク質（p-タウ181）レベルが高いほど、高齢者の記憶および認知機能評価でのパフォーマンスが低下することと相関します。この発見は、アルツハイマー病の進行とリスク要因の理解に役立ちます。

キーワード:
アルツハイマー病バイオマーカー認知機能低下タウタンパク質p-タウ181脳脊髄液認知症リスク評価神経科学老年医学

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科学分野:

  • 神経科学
  • バイオマーカー研究
  • 老年医学

背景:

  • アルツハイマー病（AD）のバイオマーカーと認知機能低下を理解することは、認知症のリスク要因を特定するために重要です。
  • Dementia Rating Scale（DRS）は認知機能を評価し、脳脊髄液（CSF）バイオマーカー（Aβ42およびp-Tau 181など）はAD病理を示します。

研究 の 目的:

  • CSF Aβ42、p-Tau 181レベルと高齢者のDRSパフォーマンスとの関連を調査すること。
  • これらのバイオマーカーが認知機能低下およびアルツハイマー病認知症（ADD）への進行を予測できるかどうかを判断すること。

主な方法:

  • 64人の参加者（認知機能正常、軽度認知障害、ADD）が分析されました。
  • CSF Aβ42およびp-Tau 181レベルはLuminex xMAPを使用して測定されました。
  • Spearman相関および調整済み線形回帰分析を実施して、バイオマーカーとDRSパフォーマンスの関係を評価しました。

主要な成果:

  • CSF p-Tau 181レベルの上昇は、DRSメモリおよび合計スコア（DRST）でのパフォーマンスの低下と有意に相関しました。
  • CSF Aβ42とDRSパフォーマンスの間には有意な相関は観察されませんでした。
  • p-Tau 181/Aβ42比も、メモリおよびDRSTスコアと有意な負の相関を示しました。

結論:

  • 高いp-Tau 181レベルは、DRSで測定されるように、特に記憶における認知機能の低下と関連しています。
  • この関連は、社会人口統計学的要因で調整した後も持続し、アルツハイマー病における認知機能低下の予測バイオマーカーとしてのp-Tau 181の可能性を強調しています。