机械功率与压力控制通风患者的死亡率有关:一项荷兰单中心队列研究
Jamilla Goedegebuur1, Floor E Smits2, Jacob W M Snoep2
1Department of Thrombosis and Hemostastis, Leiden University Medical Centre, Leiden, The Netherlands.
Critical care explorations
|December 19, 2024
概括
机械通风中的机械功率 (MP) 与更高的医院死亡率有关,特别是当超过16-18 J/min时. 正常化的MP显示了与不良结果的更强的关联.
科学领域:
- 关键护理医学 关键护理医学
- 呼吸系统生理学 呼吸系统生理学
- 机械通风机械通风机械通风
背景情况:
- 机械功率 (MP) 是机械通风中不利结果的潜在预测因素.
- 对于MP的安全门尚未确立.
- 了解MP在不同严重程度的肺病中的作用至关重要.
研究的目的:
- 调查机械功率 (MP) 与医院死亡率之间的关联.
- 在不同程度的肺病严重程度 (Pao2/Fio2比率) 中分析这一关联.
主要方法:
- 使用自动提取的ICU数据进行回顾性队列研究.
- 包括在压力控制模式下通风的患者.
- 根据年龄,性别,APACHE-IV和Pao2/Fio2比率调整后勤回归来确定死亡率的几率比率.
主要成果:
- 分析了2184名患者;平均年龄为62.5岁,70.2%是男性.
- 在Pao2/Fio2比率较低的患者中观察到更高的MP (21.5 J/min对比12.0 J/min).
- 增加的MP与更高的死亡率相关 (或1.06每J/分钟增加);正常化的MP更强 (或1.004每J/分钟/公斤). 死亡率在16-18 J/min以上增加.
结论:
- 在机械功率和医院死亡率之间发现了显著的关联,独立于混因素.
- 超过16-18 J/min的机械功率与死亡率的增加有关.
- 规范化的MP显示出更强的关联,这表明它在通风策略中的重要性.
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