创伤患者早期限制性与自由氧:TRAUMOX2随机临床试验
Tobias Arleth1, Josefine Baekgaard1, Volkert Siersma2
1Department of Anesthesia, Center of Head and Orthopedics, Rigshospitalet, Copenhagen, Denmark.
JAMA
|December 10, 2024
概括
在成人创伤患者中,限制性氧气策略与自由氧气策略相比没有显著减少死亡或呼吸道并发症. 这一发现表明目前的氧气管理方案可能需要重新评估以获得最佳的患者结果.
科学领域:
- 紧急医疗
- 重症监护医疗
- 创伤手术
背景情况:
- 在严重的创伤中常见,但与不良结果相关.
- 需要证据来指导创伤复苏的最佳氧气策略.
研究的目的:
- 为了比较限制性与自由的氧气策略在减少成人创伤患者的死亡和/或主要呼吸道并发症方面的有效性.
主要方法:
- 一项多中心随机对照试验,涉及1979名成年创伤患者.
- 患者接受限制性 (SpO2目标94%) 或自由氧策略8小时.
- 主要结局是30天内死亡和/或严重呼吸道并发症.
主要成果:
- 限制性 (16. 1%) 和自由性 (16. 7%) 氧气组之间的综合结果没有显著差异 (OR,1. 01;P=.94).
- 综合结果的各个组成部分也没有显著差异.
- 在限制氧气的组中,有较少的Atelectasis (27.6% vs 34.7%).
结论:
- 早期限制氧气的策略并没有显著减少成年创伤患者的死亡或重大呼吸道并发症.
- 这些发现不支持在医院前或早期医院环境中改变目前的自由氧气管理做法.
- 进一步的研究可能会根据个体患者的生理学来探索细微的氧量定位.
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