揭示低密度脂蛋白胆固醇降低与骨折风险之间的关联:来自目标试验仿真研究的现实证据
Zeqin Wen1,2,3, Xiaoxiao Li2, Yilun Wang1,2,3
1Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, China.
Bone & joint research
|March 8, 2026
概括
使用他类药物降低低密度脂蛋白胆固醇 (LDL-C),可显著降低超脂血症患者骨折风险. 更大的LDL-C降低与骨折发生率的更明显下降相关,支持"更低更好"的骨折预防方法.
科学领域:
- 心血管医学 心血管医学
- 代谢障碍 代谢障碍 代谢障碍
- 骨健康 骨健康 骨健康
背景情况:
- 高血清低密度脂蛋白胆固醇 (LDL-C) 与骨折风险增加有关.
- 确切的LDL-C降低程度与骨折风险降低之间的关系尚不清楚.
研究的目的:
- 调查LDL-C降低程度与骨折风险之间的关联.
- 评估LDL-C的较大降低是否导致骨折风险比例较低.
主要方法:
- 一项以人口为基础的队列研究,对165,242名40-90岁的个人进行了研究,这些人在英国 (2000-2022) 开始服用超脂血症的他类药物.
- 一个目标试验的模拟,以评估在五年内骨折风险,基于在开始服用他的一年内达到特定的LDL-C水平 (<1.8,1.8-2.6,或>2.6 mmol/L).
- 主要结局:部骨折;次要结局:复合骨折和主要骨质疏松性骨折.
主要成果:
- 在1.8-2.6 mmol/L (0.53%) 和<1.8 mmol/L (0.52%) 的LDL-C组中,与>2.6 mmol/L组 (0.65%) 相比,五年关节骨折风险较低.
- 部骨折的危险比为0.77 (95% CI 0.65-0.91) 在1.8-2.6 mmol/L和0.68 (95% CI 0.54-0.86) 在<1.8 mmol/L.
- 在较低的LDL-C水平下,复合和主要骨质疏松性骨折风险的显著降低也被观察到.
结论:
- 降低LDL-C与高脂血症患者骨折风险降低有关.
- 降低LDL-C的程度似乎与骨折风险降低的程度相关.
- 一个"更低更好"的治疗策略可能有利于预防骨折在这个人群.
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