非HDL胆固醇可能比阿波利波蛋白B-100更好,用于风险评估,当被接受者运营商评估时
1Department of Medicine, Section of Endocrinology, Metabolism and Diabetes, University of Louisville, Louisville, KY, United States.
The journal of applied laboratory medicine
|December 13, 2024
概括
阿波蛋白B (apo B)-100是一种强烈的冠状动脉风险标志物,但非HDL胆固醇 (非HDLC) 以较低的成本提供类似的临床疗效. 两者在风险评估方面都优于LDL胆固醇.
科学领域:
- 心血管疾病生物标志物 心血管疾病生物标志物
- 脂质新陈代谢和动脉样硬化
背景情况:
- 与非高密度脂蛋白 (HDL) 胆固醇 (非HDLC) 相比,Apolipoprotein B (apo B)-100通常被认为是冠状动脉风险的优越标志物.
- 具有高度相关变量的多变量分析,如脂质标记物,存在解释挑战,并阻碍了对影响的歧视.
- 评估不同脂质标记物的临床效用和成本效益对于准确的心血管风险分层至关重要.
研究的目的:
- 为了比较阿波利波蛋白B (apo B) - 100和非HDL胆固醇 (非HDLC) 的诊断灵敏度和特异性,用于冠状动脉风险评估.
- 评估apo B的临床价值与其与非HDLC相比的额外费用相关.
- 为了分析脂质标记物,使用接收器操作员特征 (ROC) 曲线进行强大的歧视.
主要方法:
- 简要的回顾和检查使用接收器操作员特征 (ROC) 曲线的诊断性能.
- 在382名患有血管学定义冠状动脉疾病的患者中测量了ApoB和各种胆固醇分数 (非HDLC,LDL-C,总C).
- 使用后勤回归和ROC分析来比较标志物性能,并未对非脂质风险因素进行调整.
主要成果:
- 通过ROC分析,apo B和非HDLC都表现出比LDL胆固醇 (LDL-C) 和总胆固醇 (总C) 更强的冠状动脉风险标记性能.
- 尽管在多变量逻辑回归中非HDLC看起来比LDL-C弱,但ROC分析显示,单独分析时,apoB的灵敏度比非HDLC高6.1%.
- 在调整了非脂质危险因素后,apo B和非HDLC呈现出类似的C统计数据 (分别为0.74和0.73),诊断特异性的差异很小.
结论:
- 非HDL胆固醇 (非HDLC) 为心血管风险评估提供了非脂蛋白B (apo B) -100的经济有效替代品.
- 当与非脂质风险因素一起纳入10年选算法时,非HDLC提供了与apo B.相比的临床疗效.
- 这些发现支持使用非HDLC作为冠状动脉风险分层的临床有效和更经济的标志物.
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