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BMJ:产前糖皮质激素暴露或使早产儿获益

2017-04-25 吴星 环球医学

在既往通过出生时胎龄分析的产前糖皮质激素的随机对照试验的荟萃分析中,30~34周妊娠出生的早产儿亚组中死亡率降低,而非妊娠30周前出生的亚组。2017年3月,发表在《BMJ》的一项由美国科学家进行的前瞻性队列研究,考察了产前任何糖皮质激素暴露与早产儿结局的相关性。



在既往通过出生时胎龄分析的产前糖皮质激素的随机对照试验的荟萃分析中,30~34周妊娠出生的早产儿亚组中死亡率降低,而非妊娠30周前出生的亚组。2017年3月,发表在《BMJ》的一项由美国科学家进行的前瞻性队列研究,考察了产前任何糖皮质激素暴露与早产儿结局的相关性。

目的:考察按照目前的推荐,产前任何糖皮质激素暴露是否与各胎龄新生儿死亡率降低相关。

设计:前瞻性队列研究。

地点:美国Pediatrix医疗集团300所新生儿重症监护室(ICU)。

受试者:2009年1月1日至2013年12月31日期间出生的117941例胎龄在23 0/7至34 6/7周的新生儿。

暴露:任何产前糖皮质激素暴露。

主要结局测量指标:通过胎龄、产前糖皮质激素暴露,以及校正出生体重、性别、分娩方式和多胎出生的模型分析的死亡或重大在院发病。

结果:与产前没有糖皮质激素暴露相比,产前暴露于糖皮质激素的29周或不足29周、31周和33~34周各胎龄新生儿(n=81832)死亡率显着较低(校正比值比0.32~0.55)。需要使用产前糖皮质激素,预防出院前1例死亡的例数从23~24周的6例增加至34周的798例。在极低胎龄产前暴露于糖皮质激素的新生儿,无重大在院发病生存率较高。与小于30周各胎龄,以及胎龄在30周或更长出生的新生儿的大部分胎龄,没有糖皮质激素暴露的新生儿相比,产前暴露于糖皮质激素的新生儿,严重颅内出血或死亡、坏死性结肠炎2期及以上或死亡,以及严重早产儿视网膜病或死亡的发生率较低。

结论:在23~34周胎龄出生的新生儿中,与没有暴露相比,产前暴露于糖皮质激素与大部分胎龄较低的发病率和死亡率相关。产前暴露于糖皮质激素对死亡率的影响似乎在极低胎龄的新生儿中最明显。

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    2018-02-06 gaoxiaoe
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    2017-04-27 qilu_qi
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    2017-04-25 三生有幸9135

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