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相关概念视频

Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

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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...
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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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生物标志物 生物标志物

Georgia Giannakopoulou1, Hannah Brown1, Fleur Caponong2

  • 1Ipsos, London, London, United Kingdom.

Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 26, 2025
PubMed
概括

生物标志物测试和粉样蛋白相关成像异常 (ARIA) 风险评估在阿尔茨海默氏症中未得到充分使用.

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科学领域:

  • 神经学 神经学
  • 老年病的医生 老年病的医生
  • 药理学 药理学是指药理学的学科.

背景情况:

  • 生物标志物测试和粉样蛋白相关成像异常 (ARIA) 风险评估对于选择和监测阿尔茨海默病 (AD) 患者的疾病修饰疗法 (DMT) 至关重要.
  • 这项研究调查了澳大利亚和香港 (HK) 在阿尔茨海默病患者管理中目前采用这些关键实践的情况.

研究的目的:

  • 评估澳大利亚和香港阿尔茨海默病患者队伍中生物标志物测试 (成像和脑脊髓液) 的程度.
  • 评估这些患者中APOE4状态确定和ARIA风险评估的频率.
  • 确定这些诊断和风险评估工具的实施中的潜在障碍或缺口.

主要方法:

  • 在澳大利亚和香港的神经科医生和老年医生中进行了一项多中心在线调查.
  • 医疗保健专业人员记录了轻度认知障碍或轻度至中度AD患者的生物标志物使用,APOE4状态和感知到的ARIA风险.
  • 从澳大利亚的64名患者和香港的45名患者收集了数据.

主要成果:

  • 在这两个地区,生物标志物测试 (粉胺-PET,CSF,tau-PET,tau-CSF) 和Aβ42/40比率,p-tau生物标志物的利用是有限的.
  • 澳大利亚的APOE4状态在很大程度上是未知的或未经测试的,而在香港的APOE4状态在很大程度上未经测试.
  • ARIA风险评估经常是未知的或被归类为"没有风险",没有明确的理由,加上香港医疗保健专业人员对ARIA的理解有限.

结论:

  • 在研究的澳大利亚和香港阿尔茨海默病患者队伍中,生物标志物测试,APOE基因型定型和ARIA风险评估未得到充分利用.
  • 这种有限的采用可能会阻碍疾病修饰疗法 (DMT) 适合候选者的有效识别和选择.
  • 建议对更大的样本进行进一步研究,以调查实施策略,并确定需要加强医疗保健专业人员教育的领域.