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相关概念视频

Blood Studies for Cardiovascular System III: Serum Lipid Profile01:25

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Understanding serum lipids is crucial for maintaining cardiovascular health and preventing heart disease and stroke.
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Dosage Regimen: Individualization01:24

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Individualization in dosing regimens is the customization of medication doses for individual patients. Its necessity arises from the goal of maximizing therapeutic benefits while minimizing risks. This approach is pivotal because human responses to drugs can vary widely; what is effective for one person may be inadequate or excessive for another. Interpatient (intersubject) variability refers to differences in drug responses between individuals, while intrapatient (intrasubject) variability...
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Lipid-derived Compounds in the Human Body01:31

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Fats and lipids are crucial components in the human body. Some lipid-derived compounds, such as fat-soluble vitamins, eicosanoids, lipoproteins, and glycolipids, also play unique roles to support various  biological processes .
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Dietary triglycerides from chyme in the duodenum are mixed with bile salts produced by the liver to emulsify fats. As a result, large droplets are broken down into smaller ones, increasing the surface area for enzymatic action. Once emulsified, pancreatic lipases hydrolyze the triglycerides into free fatty acids and monoglycerides.
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Measures of variability are statistical metrics that reveal the dispersion pattern within a dataset. They are pivotal in biostatistics, providing insights into the heterogeneity within health and biological data. Variability signifies the degree to which data points diverge from one another, helping researchers understand the potential range of values and associated uncertainty within the data.
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相关实验视频

Updated: Feb 23, 2026

Isolation and Analysis of Plasma Lipoproteins by Ultracentrifugation
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脂蛋白的个体内变异性 (a)

Lakshmi Lakkineni1, Matthew Waite2, Alessia David3

  • 1Division of Diabetes, Endocrinology and Metabolism, Imperial College London, London, UK (Lakkineni, Waite, Dr Jones, and Dr Cegla).

Journal of clinical lipidology
|February 21, 2026
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概括

通常不需要重复脂蛋白 (Lp) 检测,因为个体内变异往往超过实验室标准. 然而,对于临近风险值的患者,请考虑重复Lp(a) 测试,或者考虑Lp(a) 降低疗法.

关键词:
心血管疾病的风险.变化系数 的变化系数.脱脂血症是什么意思 脱脂血症是什么意思在个体内变化的变化.脂蛋白 (a) 是一种蛋白质(一) 一个 (一) 一个 (一) 一个

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科学领域:

  • 心血管医学 心血管医学
  • 临床化学 临床化学
  • 实验室医学 实验室医学

背景情况:

  • 脂蛋白 (Lp) 是动脉样硬化心血管疾病的关键独立风险因素.
  • 虽然Lp (a) 水平通常稳定,但个体内变化的程度和重复测试的必要性仍然不清楚.

研究的目的:

  • 为了评估Lp (a) 水平的个体内变化.
  • 评估重复Lp (a) 测试对心血管风险分类的临床影响.

主要方法:

  • 对250名至少有两次Lp (a) 测量的患者进行了回顾性分析.
  • 测量时间平均为17.1 ± 15.5个月,在第三级保健脂质诊所进行测量.

主要成果:

  • 对于Lp的个体内变化系数 (CV) 超过了实验室标准.
  • 心血管风险重新分类发生在12.4% (NLA值) 和6.8% (ESC值) 的情况下.
  • 变性与测试,药物或生物化学参数之间的时间无关.

结论:

  • 重复Lp (a) 测试通常不需要.
  • 考虑对接近风险值的个体进行重复测试,或者对Lp降低疗法进行评估的人进行重复测试.