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脂蛋白 (a) 和长期斑块进展,低密度斑块和冠状管周炎症
Nick S Nurmohamed1,2,3, Emilie L Gaillard1,2, Shant Malkasian4
1Department of Cardiology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands.
较高的脂蛋白a (Lp[a]) 水平与10年内冠状动脉斑块进展和炎症的增加有关. 这表明Lp (a) 显著影响心血管疾病中高风险,易破裂的斑块的发展.
科学领域:
- 心脏病学 心脏病学
- 生物标志物 生物标志物
- 图像成像是一种成像.
背景情况:
- 脂蛋白 (Lp) 是心血管疾病的已知因果风险因素.
- 对Lp (a) 对冠状动脉斑块表型和炎症的长期影响尚不清楚.
研究的目的:
- 调查Lp (a) 水平与长期冠状动脉斑块进展之间的关联.
- 评估Lp (a) 与高风险斑块形成和周冠状腺脂肪组织炎症的关系.
主要方法:
- 对267名疑似冠状动脉疾病 (CAD) 的患者进行前性队列研究.
- 重复冠状动脉计算机断层扫描血管学 (CCTA) 成像,平均时间为10.2年.
- Lp (a) 用异形不敏感测定测量水平;CCTA用基于AI的算法进行分析.
主要成果:
- 患有Lp (a) ≥125nmol/L的患者与水平较低的患者相比,肌动脉瘤体积的百分比翻了一番.
- 每次Lp (a) 的翻倍都与斑块体积的增加和低密度斑块的几率相关.
- 较高的Lp (a) 水平与周冠状腺脂肪组织炎症的增加有关.
结论:
- 升高的Lp (a) 水平与冠状动脉斑块进展的加快和高风险斑块特征的增加有关.
- 较高的Lp (a) 与冠状周脂肪组织炎症有关,表明具有炎症作用.
- 这些发现表明Lp (a) 对冠状动脉动脉产生有显著的长期影响,促进炎症,易破裂的斑块.
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