墨西哥城的血压和死亡率:孟德尔的随机化研究
Michael Turner1, Pablo Kuri-Morales2,3, Jesús Alegre-Díaz4
1Clinical Trial Service Unit and Epidemiological Studies Unit, Nuffield Department of Population Health (NDPH), University of Oxford, United Kingdom (M.T., D.A.-R., F.B., L.G.F., W.G.H., M.H., E.T., A.V.-L., R.W., D.Z., R.C., R.P., N.S., J.T., R.H., J.R.E.).
Hypertension (Dallas, Tex. : 1979)
|September 17, 2025
概括
终身高血压,即使在中年,显著增加心血管和脏疾病的死亡风险. 门德尔的随机化显示了比观察性研究更强的终身效应,强调了终身血压管理的重要性.
科学领域:
- 心血管流行病学心血管流行病学
- 遗传流行病学遗传流行病学
- 公共卫生 公共卫生
背景情况:
- 观察性研究可能低估了血压对死亡率的终身影响.
- 门德尔随机化提供了一种可靠的方法来评估终身影响,减轻混和反向因果关系.
研究的目的:
- 通过使用孟德尔随机化来估计静态和静态血压对死亡率的终身影响.
- 将这些终身估计与传统观测分析的估计进行比较.
主要方法:
- 利用门德尔的随机化,对来自墨西哥城前性研究的125,895名参与者进行了随机化.
- 使用考克斯回归,调整了混因子和回归稀释偏差,分析了133,027名参与者的血压和死亡率.
主要成果:
- 每10毫米升的遗传预测终身缩血压与73%更高的心血管死亡率和42%更高的病死亡率有关.
- 门德尔随机化的终身率比率高于观察性分析的比率.
- 这些关联在性别,糖尿病状况,年龄组和祖先比例上都是一致的.
结论:
- 在墨西哥人群中,基因决定的终身血压差异与心血管和病死亡率密切相关.
- 门德尔随机化提供了更准确的评估与血压升高相关的终身风险.
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