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在早期儿科静脉静脉外体生命支持中,高氧症与死亡率有关吗?
Asaad G Beshish1, Paola Rodriguez-Morales2, Rebecca Shamah2
1Department of Pediatrics, Division of Cardiology, Emory University School of Medicine, Children's Healthcare of Atlanta, 1405 Clifton Rd, NE Atlanta, GA 30322, USA.
在儿童体外生命支持 (ECLS) 期间,高氧水平 (过氧) 与死亡率的增加有关. 这项研究发现,儿科静脉静脉ECLS患者的高氧症显著增加了死亡风险,突出了改善护理的可修改因素.
科学领域:
- 儿科重症监护医药 儿科重症监护医药
- 身体外膜氧化 (ECMO) 研究研究
- 新生儿和儿科的呼吸辅助系统.
背景情况:
- 关于高氧化 (过高的血液氧气) 对儿科患者进行体外生命支持 (ECLS) 的影响的数据有限.
- 了解高氧化症的影响对于优化严重疾病儿童需要先进的呼吸和循环支持的结果至关重要.
研究的目的:
- 对接受静脉静脉 (VV) ECLS的儿科患者的血上氧气紧张 (过氧) 和临床结果之间的关联进行调查.
- 确定高氧化症是这种脆弱患者群体中潜在的可修改风险因素.
主要方法:
- 在一个单一的学术儿童医院进行的回顾性研究.
- 包括2014年1月至2019年12月期间需要VV-ECLS的儿科患者 (0-18岁).
- 分析了数据,以确定最佳的PaO2值来预测死亡率,并比较了高氧化和非高氧化组之间的结果.
主要成果:
- 在VV-ECLS的前48小时,氧气的平均部分压力 (PaO2) > 122 mmHg与死亡率有关.
- 过氧症组 (61.8%的患者) 年龄较大,经历了更多的出血并发症,死亡率明显更高 (57.9%对19.5%).
- 经过对混因素进行调整后,高氧化增加了死亡几率约8倍 (OR:7.97).
结论:
- 儿童在VV-ECLS的前48小时内暴露于高氧症与死亡的可能性增加了8倍.
- 过氧症在儿科VV-ECLS患者中是一个显著的,潜在的可修改的危险因素.
- 进一步的多中心前性研究至关重要,以证实这些发现,并为这种高危人群指导改善临床实践.
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