间歇性低氧症或心与极度早产婴儿晚期死亡或残疾之间的关联
Christian F Poets1, Robin S Roberts2, Barbara Schmidt3
1Department of Neonatology, Tuebingen University Hospital, Tuebingen, Germany.
JAMA
|August 12, 2015
概括
在极度早产的婴儿中,长期的缺血发作与18个月的死亡或残疾风险增加有关. 需要进一步的研究,以防止这些不利的结果在脆弱的新生儿.
科学领域:
- 新生儿学
- 产周医学
- 儿童神经学
背景情况:
- 极度早产的婴儿在分娩后经常出现间歇性低氧化和心肌梗塞,长期预后不确定.
- 这些事件可能持续数周, 给婴儿的健康和发育带来挑战.
研究的目的:
- 在极度早产婴儿中,研究间歇性低氧化或心肌梗塞与晚期死亡或残疾之间的关联.
- 量化与这些生理事件相关的不良结果的风险.
主要方法:
- 加拿大氧气试验队列的特点分析 (1019名婴儿,妊娠期23至27周).
- 从出生到月经后36周,监测低血氧 (SpO2 < 80%) 和心肌频率 (HR < 80/ 分) 的发作.
- 评估18个月的初级综合结果 (死亡,运动障碍,认知/语言障碍,严重的感官障碍).
主要成果:
- 长时间低血症 (≥1分钟) 与死亡或残疾风险显著增加有关 (RR,1. 66;95% CI,1. 35-2. 05).
- 低血量暴露的最高分位数显示不良结果的风险为56. 5%,而最低分位数的风险为36. 9%.
- 胸并没有独立影响低氧症的预后值.
结论:
- 在出生后的前2到3个月中,长期的低血症发作与极度早产婴儿的18个月不良结果有关.
- 这些发现表明需要进一步研究该群体的低血预防策略.
- 早期识别和治疗低氧症可能会改善长期的神经发育结果.
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