弹性力量,一种新的ARDS严重程度和预后预测器
Yongpeng Xie1, Yao Yan2, Jiaxin Shi3
1Department of Emergency and Critical Care Medicine, Lianyungang Clinical College of Nanjing Medical University, Lianyungang 222000, Jiangsu, China.
Journal of critical care
|July 22, 2023
概括
新的呼吸机制参数,弹性功率 (EP) 和Cst-EP,可以预测急性呼吸困扰综合征 (ARDS) 严重程度和患者死亡率. 这些发现为管理机械通风的ARDS患者提供了宝贵的见解.
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
- 医疗信息学 医疗信息学
背景情况:
- 急性呼吸困扰综合征 (ARDS) 在重症监护中带来了重大挑战.
- 准确评估ARDS严重程度和预后对于有效的患者管理至关重要.
- 目前用于评估呼吸机制的现有方法可能无法完全捕捉疾病的复杂性.
研究的目的:
- 研究新型呼吸机械参数的预测能力:弹性功率 (EP) 和正常化到合规 (Cst-EP) 的弹性功率.
- 评估EP和Cst-EP在评估ARDS严重性的有用性.
- 确定Cst-EP与ARDS患者28天预后的相关性.
主要方法:
- 利用MIMIC-III数据库识别需要侵入性机械通风至少48小时的ARDS患者.
- 使用已确定的公式计算EP,弹性能量,驱动压力和机械功率.
- 评估了EP与ARDS严重程度和Cst-EP与28天死亡风险的关联.
主要成果:
- 弹性功率 (EP) 与ARDS严重程度 (OR=1.301,p<0.001) 独立相关,最佳切线为14.6 J/min.
- Cst-EP显示了与死亡风险增加的显著关联 (HR=1.169每100J/min×cmH2O/ml×10−3,p<0.001).
- 患有高Cst-EP的患者表现出明显较低的28天累积存活率.
结论:
- 弹性功率 (EP) 作为ARDS严重程度的可靠预测指标.
- 在接受控制机械呼吸的ARDS患者中,cst-EP与28天死亡率有显著的关联.
- 这些参数为ARDS病理生理学和预后提供了更深入的见解.
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