基础代谢率与心血管疾病风险之间的因果关系:一个单变量和多变量门德尔随机化研究
Yihua Li1, Huiqi Zhai1, Liang Kang1
1The First Clinical Medical College of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China.
Scientific reports
|August 1, 2023
概括
较高的基础代谢率 (BMR) 因果上增加了大动脉动脉瘤和心房的风险,但降低了心肌梗塞的风险. 这项门德尔的随机化研究澄清了BMR.
科学领域:
- 遗传学和心血管流行病学
- 代谢健康和疾病
- 生物标志物和疾病风险评估
背景情况:
- 基础代谢率 (BMR) 与心血管健康有关,但其对心血管疾病 (CVD) 的直接因果影响尚未得到充分证实.
- 了解BMR和特定心血管疾病之间的因果关系对于制定有针对性的预防策略至关重要.
- 以前的观察性研究表明存在关联,但混因素限制了因果推断.
研究的目的:
- 调查基因预测的基础代谢率 (BMR) 与常见心血管疾病 (CVD) 风险之间的潜在因果关系.
- 检查BMR对大动脉动脉瘤 (AA),心房动和动 (AFF),动性大动脉狭窄 (CAVS),心力衰竭 (HF) 和心肌梗塞 (MI) 的因果关系.
- 使用多变量门德尔随机化,区分直接的BMR影响与常见心血管风险因素介导的影响.
主要方法:
- 采用孟德尔的随机化 (MR) 分析,这是一个强大的方法,可以从遗传变异中推断因果关系.
- 使用逆方差加权 (IVW) 模型作为主要的不变MR方法来估计效应.
- 进行了多变量MR分析,以调整潜在的混因素,包括常见的心血管风险因素.
主要成果:
- 基因预测的更高的BMR因果关系与AA,AFF和HF风险增加有关.
- 较高的BMR与心脏病发作风险降低有因果关系.
- 多变量MR证实了BMR对AA和AFF风险增加,心脏病风险降低以及对HF减弱的影响的直接因果作用.
结论:
- 这项孟德尔随机化研究为基础代谢率与大动脉动脉瘤,心房动,心力衰竭和心肌梗塞风险之间的因果关系提供了重要的证据.
- 这些发现强调BMR作为特定心血管疾病发展的潜在因果因素.
- 进一步的研究可能会探索与BMR调制相关的治疗点,以预防心血管疾病.
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