机械通风设置对流体平衡和败血症患者医院死亡率之间的关系的修改影响:一项回顾性研究
Dawei Zhou1, Yi Lv2, Chao Wang2
1Department of Critical Care Medicine, Beijing Tongren Hospital, Capital Medical University, Beijing, China. zhougreat2005@163.com.
BMC anesthesiology
|February 20, 2025
概括
机械通风中的阳性末尾呼气压力 (PEEP) 水平可能会改变败血症患者的液体平衡与死亡率的联系. 呼吸机设置对于指导重症监护病房的流体治疗至关重要.
科学领域:
- 关键护理医学 关键护理医学
- 肺部医学 肺部医学
- 腎臟病學 (nephrology) 是一種醫學專業.
背景情况:
- 对于需要机械通风的败血症患者来说,液体平衡至关重要.
- 呼吸器管理策略可能会影响流体平衡和患者的结果.
- 败血症中流体状况和机械通风之间的相互作用尚未完全理解.
研究的目的:
- 调查呼吸机设置对败血症患者的液体平衡和医院死亡率之间的关联的影响.
- 为了确定通风机模式或正极呼气压 (PEEP) 是否会改变这种关系.
主要方法:
- 从MIMIC IV数据库中对浸患者进行侵入性机械通风 (MV) 的回顾性队列研究.
- 在6小时间隔计算累积液体平衡.
- 每6小时记录MV模式 (辅助/控制) 和PEEP水平 (高/低).
- 使用多变量回归来评估修改效应.
主要成果:
- 包括4466名败血症患者;医院死亡率为26.5%.
- 在液体平衡和医院死亡率之间观察到U形关系.
- 风扇模式没有改变流体平衡与死亡率的关系.
- 阳性末尾呼吸压力 (PEEP) 水平似乎改变了这种关系.
结论:
- 在侵袭性MV的重症败血症患者中,PEEP水平,而不是通风方式,可能会改变液体平衡和医院死亡率之间的关联.
- 在败血症患者的流体治疗管理中,应考虑机械通风设置.
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