在社区生活的老年人中胆固醇悖论:更高更好吗?
Sheng-Shu Wang1, Shan-Shan Yang2, Chun-Jiang Pan3
1Institute of Geriatrics, Beijing Key Laboratory of Aging and Geriatrics, National Clinical Research Center for Geriatrics Diseases, the Second Medical Center, Chinese PLA General Hospital, Beijing, China.
Journal of geriatric cardiology : JGC
|January 1, 2024
概括
较高的总胆固醇 (TC) 和高密度脂蛋白胆固醇 (HDL-C) 与在正常脂质范围内的老年人心血管疾病 (CVD) 死亡风险降低有关. 然而,残留胆固醇 (RC) 的升高增加了心血管疾病死亡风险,这表明其在风险评估中的有用性.
科学领域:
- 老年学是指老年学的学科.
- 心血管医学 心血管医学
- 脂质代谢 脂质代谢是什么
背景情况:
- 脂质资料对于老年人群的心血管健康评估至关重要.
- 了解各种脂质指标对死亡率的影响差异对于有针对性的干预措施至关重要.
研究的目的:
- 调查一组中国老年人的基线脂质指标和死亡结果之间的关联.
- 为了确定残留胆固醇 (RC) 与心血管疾病 (CVD) 死亡的传统脂质标志物相比的预测值.
主要方法:
- 一项前性队列研究,涉及4499名来自北京老年综合健康队列研究的社区老年人.
- 利用考克斯比例危险模型分析基线脂质样本与心血管疾病/所有原因死亡率之间的关联,平均随访时间为8.13年.
- 根据潜在的混因素进行调整,包括年龄,体重指数,血压和空腹血葡萄糖.
主要成果:
- 总胆固醇 (TC),低密度脂蛋白胆固醇 (LDL-C) 和高密度脂蛋白胆固醇 (HDL-C) 的较高水平与心血管疾病死亡风险较低有关.
- 升高的残留胆固醇 (RC) 与心血管疾病死亡风险增加显著相关 (HR = 1.276).
- 在正常脂质水平的个体中,较高的TC和HDL-C仍然对心血管疾病死亡率有保护作用,而较高的RC仍然是危险因素.
结论:
- 在正常脂质范围内,较高的TC和HDL-C与老年人心血管疾病死亡率的降低有关.
- 与传统的脂质标志物相比,残留胆固醇 (RC) 可能成为预测老年人心血管疾病死亡风险的更敏感指标.
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