怀孕不良后果和冠状动脉疾病风险:一个负控制的门德尔随机化研究
Tormod Rogne1,2, Dipender Gill3
1Department of Chronic Disease Epidemiology, Yale School of Public Health, New Haven, CT, USA.
medRxiv : the preprint server for health sciences
|May 27, 2024
概括
怀孕不良后果可能不会导致心血管疾病. 孟德尔的随机化研究发现,怀孕并发症和心脏病风险之间有共同的遗传因素,而不是因果关系.
科学领域:
- 心血管疾病流行病学
- 生殖健康遗传学 遗传学
- 遗传流行病学遗传流行病学
背景情况:
- 怀孕不良后果与未来心血管疾病 (CVD) 风险有关,但因果关系仍然不确定.
- 调查潜在的因果作用需要强大的遗传方法来分辨相关性和因果关系.
- 这项研究解决了怀孕不良结果和心血管疾病风险之间的因果关系的不确定性.
研究的目的:
- 估计对妊娠不良结果的遗传责任与CAD风险之间的关联.
- 使用孟德尔的随机化方法来评估因果关系.
- 用男性作为负控制人群来确定潜在的混因素.
主要方法:
- 提取的遗传变异 (SNP) 与流产,妊娠期糖尿病,妊娠高血压障碍,子宫前,胎盘断裂,胎儿生长不良和早产有关.
- 利用全基因组关联研究 (GWAS) 对女性和男性遗传责任和CAD风险的数据.
- 使用反变量加权分析和灵敏度分析 (MR Egger,加权中位数,加权模式) 与男性负控制组.
主要成果:
- 孕期高血压疾病的遗传责任,孕前,孕期糖尿病,胎儿生长不良和早产显示与女性CAD风险增加有关.
- 敏感性分析支持了这些关联.
- 在男性负对照人群中观察到类似的关联,这表明混.
结论:
- 怀孕不良结果与女性心血管疾病风险之间的观察到的关联可能归因于共同的遗传责任和混因素.
- 这项研究不支持怀孕不良结果在心血管疾病发展中的因果关系.
- 这些发现强调了在遗传流行病学研究中考虑类型和混的重要性.
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