在心脏病发作后消除LDL胆固醇......但只有一段时间
Francesco Prati1,2,3, Flavio Giuseppe Biccirè1,2,4, Emanuele Sammartini2
1Department of Cardiovascular Sciences, San Giovanni Addolorata Hospital, Rome, Italy.
概括
积极降低LDL胆固醇,特别是在急性冠状动脉综合征治疗的早期,导致更好的临床结果. 动脉样硬化斑块组成的快速变化支持了这些早期的好处.
科学领域:
- 心血管医学 心血管医学
- 药理学 药理学是指药理学的学科.
- 动脉样硬化研究 动脉样硬化研究
背景情况:
- 在LDL胆固醇和临床益处之间存在强烈的反向相关性.
- 降脂药物对动脉样硬化的作用的精确时间尚未完全理解.
- 动物和人类研究表明,动脉样硬化斑块组成的快速变化.
研究的目的:
- 研究早期和积极的LDL胆固醇降低对急性冠状动脉综合征患者临床结果的影响.
- 为了评估强效降脂剂治疗效果的时间.
主要方法:
- 对他类药物试验 (atorvastatin) 的现有数据的分析以及对ODYSSEY试验 (alirocumab) 的后期分析.
- 使用倾向性匹配得分来比较积极降低LDL和安慰剂组之间的结果.
- 检查了主要心血管不良事件的生存曲线和危险比率.
主要成果:
- 在他类药物试验中的生存曲线显示,在4周内分离,这表明早期的好处.
- 在alirocumab分析中,达到非常低的LDL胆固醇 (<15 mg/dL) 的患者的主要终点发病率较低 (6.4%vs8.4%).
- 与安慰剂相比,用阿利罗库马布积极降低LDL导致主要心血管不良事件 (0.72) 的危险比率显著降低.
结论:
- 在急性冠状动脉综合征患者中,高胆固醇血症的早期和积极治疗改善了临床结果.
- 这些发现表明,快速降低LDL胆固醇可以促进心血管疾病的益处.
- 需要进一步的前性研究和早期动脉样硬化回归研究来证实这些观察.
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