脂蛋白B与冠状动脉微血管功能障碍的严重程度之间的关系
Lili Yang1, Jingjing Zhang1, Jiangyan Han1
1Department of Cardiology, Daping Hospital, The Third Military Medical University (Army Medical University), Chongqing, P.R. China.
更高的阿波利波蛋白B (ApoB) 水平与更严重的冠状动脉微血管功能障碍 (CMD) 有关. 这项研究发现ApoB与心肌流量储备相反相关,这表明ApoB是CMD的潜在生物标志物.
科学领域:
- 心脏病学 心脏病学
- 生物化学 生物化学
背景情况:
- 心力衰竭 (HF) 的发展受到阿波利波蛋白B (ApoB) 和冠状动脉微血管功能障碍 (CMD) 的影响.
- 虽然ApoB与心血管风险有关,但其与CMD的联系尚不清楚.
研究的目的:
- 调查血清阿波利波蛋白B (ApoB) 水平与冠状动脉微血管功能障碍 (CMD) 之间的关联.
主要方法:
- 对145名接受心脏单光子发射计算机断层扫描 (SPECT) 的患者进行了回顾性研究.
- 根据ApoB血清水平,患者被分为三组.
- 用心肌血流量 (MBF) 测量计算心肌血流量储备 (MFR).
主要成果:
- ApoB水平与休息MBF有正相关性,但与压力MBF和MFR有反向关联.
- 增加的ApoB水平与共变量调整后降低的MFR显著相关.
- 接收器操作特征 (ROC) 曲线分析表明ApoB对CMD具有预测值,曲线下面面积 (AUC) 为0.87.
结论:
- 血清ApoB水平升高与冠状动脉微血管功能障碍 (CMD) 的严重程度相关.
- ApoB可以作为评估CMD严重程度的潜在生物标志物.
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