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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

516
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...
516

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Updated: Jan 7, 2026

Dried Blood Spot Collection of Health Biomarkers to Maximize Participation in Population Studies
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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

Ben Senderling1, Amy Kwok1, Annalisa Na1

  • 1Drexel University, Philadelphia, PA, USA.

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

本综述总结了阿尔茨海默病和相关痴呆症 (ADRD) 的老年人的关节生物力学. 大多数研究集中在走路上,突出了作为ADRD生物标志物的步态分析的潜力.

科学领域:

  • 生物力学 生物力学
  • 神经科学是一个神经科学.
  • 老年学是指老年学的学科.

背景情况:

  • 功能活动,特别是步态,越来越多地被认为是阿尔茨海默病和相关痴呆症 (ADRD) 的潜在生物标志物.
  • 当前的研究往往强调时空步态参数,忽视了潜在的生物力学因素.
  • 了解功能任务期间的联合生物力学对于开发针对ADRD患者的有针对性的干预措施至关重要.

研究的目的:

  • 进行对现有的关于ADRD诊断的老年人功能活动期间关节生物力学相关文献的范围审查.
  • 确定涉及这一群体的研究中报告的生物力学评估的范围和性质.

主要方法:

  • 根据PRISMA-ScR指南进行了全面的范围审查.
  • 从最初到2024年12月,主要的在线数据库 (Ovid,Embase,Scopus,Web of Science) 进行了搜索.
  • 包括65岁以上ADRD成年人关节生物力学量化的研究,由两个独立审查员进行查和数据图表.

主要成果:

  • 该审查在1069个初步结果中确定了18项符合条件的研究,其中大多数研究是在2016年后发表的.
  • 大多数研究采用横截面设计,重点关注步行 (13项研究) 作为主要的功能活动.
  • 用运动捕捉和惯性传感器评估下肢关节生物力学 (脚,膝盖,部),量化角度和时刻.

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结论:

  • 最近的研究主要检查 ADRD 的一种形式,即轻度认知障碍 (MCI) 的老年人行走时的下肢生物力学.
  • 这些发现表明,需要对这群人群中行走生物力学进行系统评估.
  • 进一步的系统审查可以提高对步态作为ADRD生物标志物的理解,并为干预策略提供信息.