在患有ST段升高心肌梗塞的患者中,残留胆固醇的作用
Yan Zhou1,2, Jasmine Melissa Madsen1, Burcu Tas Özbek1
1Department of Cardiology, Rigshospitalet, Copenhagen University Hospital, Blegdamsvej 9, 2100, Copenhagen, Denmark.
升高的残留胆固醇 (RC) 水平,特别是当与LDL胆固醇相比异常高时,在初级PCI后的ST段升高心肌梗塞 (STEMI) 患者中显著增加全因死亡风险.
科学领域:
- 心血管医学 心血管医学
- 脂质代谢 脂质代谢是什么
- 干预心脏病学 干预心脏病学
背景情况:
- 剩余胆固醇 (RC) 导致动脉样硬化心血管疾病,可能超过LDL胆固醇 (LDL-C).
- 在ST段升高心肌梗塞 (STEMI) 患者中RC的预后意义仍然不清楚.
研究的目的:
- 评估残留胆固醇 (RC) 在STEMI患者的独立预后作用.
- 评估与此患者队列中超出LDL-C的RC水平升高相关的风险.
主要方法:
- 对6602名STEMI患者进行初级穿皮冠状动脉干预 (PCI) 的分析.
- 剩余胆固醇计算为总胆固醇 - LDL-C - HDL胆固醇.
- 使用调整后的考克斯模型和不一致性分析 (RC与LDL-C百分位数排名).
主要成果:
- 与异常低RC相比,异常高RC的患者观察到较高的全因死亡率和心血管死亡率.
- 升高的RC独立地与增加的全因死亡率有关 (调整后的HR1.14).
- 不一致的高RC显示与所有原因死亡率增加 (调整HR 1.55) 和心血管死亡 (调整HR 1.47) 有显著的关联.
结论:
- 独立于LDL-C的升高的残留胆固醇水平与STEMI患者的全因死亡率增加有关.
- 异常高的RC代表了接受初级PCI的STEMI患者死亡的重大风险因素.
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