新生儿的大动脉壁厚度与子宫内生长限制
Michael R Skilton1, Nick Evans, Kaye A Griffiths
1Department of Medicine, University of Sydney, Sydney, Australia.
Lancet (London, England)
|April 27, 2005
概括
胎内生长受限的新生儿表现出更厚的动脉,表明早期动脉样硬化. 这表明产前因素可能会增加这些婴儿未来心血管疾病的风险.
科学领域:
- 心血管科学 心血管科学
- 新生儿健康 新生儿健康
- 流行病学 流行病学
背景情况:
- 流行病学研究将低出生体重与晚年心血管疾病风险增加联系起来.
- 胎内生长限制 (IUGR) 是新生儿健康的一个重大问题.
- 新生儿早期动脉样硬化标志物可以预测未来的心血管事件.
研究的目的:
- 为了研究新生儿有或没有子宫内生长限制的前动脉壁厚度.
- 确定IUGR新生儿的大动脉加厚是否是早期动脉样硬化的标志.
- 探索心血管风险的产前起源.
主要方法:
- 超声波用于测量25名新生儿的大动脉壁厚度,IUGR和25名对照.
- 测量包括最大的大动脉厚度和根据出生体重调整后的厚度.
- 统计分析比较了两个组之间的大动脉厚度.
主要成果:
- 与对照组 (743微米) 相比,IUGR的新生儿的最大大动脉厚度 (810微米) 显着更大.
- 根据出生体重调整的大动脉厚度在IUGR组 (300μm/kg) 与对照组 (199μm/kg) 中明显高.
- 这些发现具有统计学意义 (p=0.02对于最大厚度,p<0.0001对于调整厚度).
结论:
- 经历子宫内生长限制的新生儿表现出显著的主动脉加厚.
- 这种大动脉加厚表明了早期动脉样硬化的存在.
- 与IUGR相关的产前事件可能会使婴儿更容易患心血管风险.
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