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发生胎盘断裂的家族风险
Susan E Dalton1, Huong Meeks2, Alison Fraser3
1Department of Obstetrics and Gynecology, University of Utah, Salt Lake City, UT 84132, USA; Women and Newborn Clinical Program, Intermountain Healthcare, Salt Lake City, UT 84111 USA.
胎盘断裂 (PA) 显示了家族风险,亲戚有更大的机会经历PA. 这表明遗传因素有助于PA,这需要进一步的遗传研究.
科学领域:
- 生殖医学 生殖医学
- 遗传学 遗传学是一种遗传学.
- 流行病学 流行病学
背景情况:
- 胎盘断裂 (PA) 影响1-2%的怀孕,导致严重的孕产妇和产周并发症.
- 复杂的PA病因和增加的复发风险表明存在遗传因素.
- 在大,多代家庭中调查家族风险可以揭示PA的遗传风险因素.
研究的目的:
- 估计与胎盘断裂 (PA) 相关的家族风险.
- 利用大量人口数据库进行全面的PA家族风险评估.
主要方法:
- 基于人口匹配的病例控制研究使用了广泛的出生,死亡和医疗记录进行.
- 确定了PA病例 (n=32,823) 和对照组 (n=98,387),并根据母亲的年龄,平价和可用的亲属进行了匹配.
- 一般化的线性混合效应和条件后勤回归模型估计了第一,第二和第三度亲属的PA风险.
主要成果:
- 一级亲属 (FDRs) 显示PA风险增加了1.18倍.
- 二级亲属 (SDR) 的PA风险增加了1.09倍.
- 即使是三度亲属 (TDRs) 也表现出1.01倍增加的PA风险,表明更广泛的家族影响.
结论:
- 家庭风险超出一级亲属范围,这表明有显著的遗传风险因素.
- 在多代PA家庭中进行基因组研究对于基因发现至关重要.
- 识别致病性遗传机制可能会导致新的生物标志物和治疗药物用于预防PA.
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