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Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

749
Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
749
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

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Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
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Dried Blood Spot Collection of Health Biomarkers to Maximize Participation in Population Studies
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生物标志物 生物标志物

Eun Hyun Seo1,2, Hyung-Jun Yoon3, Seung Gon Kim4

  • 1Premedical Science, College of Medicine, Chosun University, Gwangju, Korea, Republic of (South).

Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
PubMed
概括

GARD视觉记忆测试可靠地检测早期阿尔茨海默病 (AD) 的认知变化. 这种基于平板电脑的工具对识别临床前阿尔茨海默病有希望,有助于早期诊断和干预.

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科学领域:

  • 神经科学是一个神经科学.
  • 老年学是一门学科.
  • 医疗技术 医疗技术 医学技术

背景情况:

  • 在阿尔茨海默病 (AD) 中早期发现认知衰退至关重要.
  • 技术的进步为神经心理学评估提供了新的途径.
  • 开发用于早期AD检测的敏感工具是关键的研究优先事项.

研究的目的:

  • 开发和验证基于平板电脑的视觉记忆模式,用于早期AD检测.
  • 评估GARD视觉记忆测试的可靠性和有效性.
  • 评估该测试在区分认知正常与受损个体方面的潜力.

主要方法:

  • 视觉记忆测试GARD使用了一个延迟匹配到样本的范式,具有颜色,形状和颜色-形状条件.
  • 该测试使用认知神经科学方法,并行测试集和用户体验测试来开发.
  • 131名认知正常 (CN) 和71名认知受损 (CI) 参与者使用GARD测试,神经心理学电池和粉样蛋白PET SUVR进行了评估.

主要成果:

  • GARD视觉记忆测试显示出良好的可靠性 (ICC 0.4-0.8) 和有效性,与已建立的认知措施相关联.
  • 评分受到年龄和教育的显著影响,而不是性别.
  • 该测试有效地区分了CN和CI参与者 (p < 0.001) 并显示与粉样PET SUVR的相关性.

结论:

  • 视觉记忆测试GARD是一种可靠和有效的工具,用于评估视觉空间记忆,并检测AD早期的认知变化.
  • 该测试显示,作为识别临床前阿尔茨海默病的认知变化的敏感措施,该测试具有前景.
  • 进一步验证,包括生物标志物和纵向研究,将增强其在早期AD检测中的临床实用性.