同时冠状动脉动脉动脉瘤回归和稳定,以应对降脂疗法
Flavio G Biccirè1, Jonas Häner2, Sylvain Losdat3
1Department of Cardiology, Bern University Hospital, University of Bern, Bern, Switzerland. Electronic address: https://twitter.com/FBiccire.
Journal of the American College of Cardiology
|August 28, 2023
概括
三重回归,斑块稳定的一个标志物,发生在三分之一的急性心肌梗塞患者在高强度降脂治疗. 这种斑块回归与alirocumab治疗和心血管事件减少有关.
科学领域:
- 心脏病学 心脏病学
- 血管生物学 血管生物学
- 药理学 药理学是指药理学的学科.
背景情况:
- 在接受高强度降脂疗法的患者中",三重回归" (动脉瘤体积减少,脂质含量减少,纤维盖加厚) 的特征和结果尚不清楚.
- 急性心肌梗塞 (AMI) 患者代表了一个关键人群,其中斑块稳定是非常理想的.
研究的目的:
- 调查接受高强度降脂治疗的AMI患者"三重回归"的发病率,预测因素和预后意义.
- 评估PCSK9抑制剂阿利罗库马布对实现三重回归的影响.
主要方法:
- 在PACMAN-AMI试验中,加入了接受高强度他类药物治疗的AMI患者,将阿利罗马布与安慰剂进行比较.
- 连续的血管内超声波,近红外光谱和光学连贯性断层扫描用于评估斑块特征.
- 三重回归是由同时减少动脉瘤体积,减少脂质核心负荷指数和增加纤维盖厚度来定义的.
主要成果:
- 在31.7%的患者中观察到三重回归,在阿利罗库马布组 (40.8%) 与安慰剂组 (23.0%) 的比例更高.
- 实现三重回归是独立预测的alirocumab治疗和更高的基线脂质核心负担.
- 实现三重回归的患者在治疗期间的LDL胆固醇显著降低,并经历了较少的重大心血管不良事件.
结论:
- 大约三分之一接受密集降脂治疗的AMI患者出现三重回归,并与改善心血管结果有关.
- 阿利罗马布治疗显著增加了实现三重回归的可能性,突出了其在斑块稳定中的作用.
- 这些发现强调了斑块回归的预后价值和PCSK9抑制在治疗冠状动脉样硬化的有效性.
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