机械功率与慢性阻塞性肺病患者的28天全因死亡率之间的关联 进行侵入性通风:分析MIMIC-IV数据库
Shaoxing Wu1, Haipeng Li2, Junhao Xu2
1Department of Pulmonary and Critical Care Medicine, Guangdong Provincial Hospital of Chinese Medicine (The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, The Second Clinical Medical College of Guangzhou University of Chinese Medicine), Guangzhou, Guangdong, People's Republic of China.
概括
机械功率 (MP) 与COPD患者在侵入性通风治疗中的28天死亡率有关. 17.38 J/分钟的切断值可能有助于评估严重程度,但因果关系需要进一步研究.
科学领域:
- 关键护理医学 关键护理医学
- 肺部医学 肺部医学
- 生物医学工程 生物医学工程
背景情况:
- 机械功率 (MP) 越来越被认为是通风患者的死亡率预测因素.
- 慢性阻塞性肺病 (COPD) 患者中需要侵入性通风的MP和死亡率之间的特定关联尚未得到充分确立.
研究的目的:
- 为了研究机械功率 (MP) 和28天全因死亡率之间的关系,在经过侵入性通风的COPD患者中.
- 为了确定MP是否可以在这个患者群体中作为预后指标.
主要方法:
- 从MIMIC-IV数据库中对1704名COPD患者进行了回顾性分析,这些患者接受了侵入性通风.
- 根据MP水平对患者进行分类.
- 统计分析包括考克斯回归,受限立方线,ROC曲线和卡普兰-梅尔生存分析.
主要成果:
- 机械功率 (MP) 与慢性慢性病患者28天全因死亡风险的增加显著相关 (HR1.04;95% CI1.03-1.05).
- 在增加MP和死亡风险之间观察到线性关系.
- 确定了一个最佳的MP切线值为17.38 J/min,AUC为0.602.
结论:
- 机械功率 (MP) 与COPD患者在侵入性通风治疗中的28天死亡率有关.
- 识别的MP截止值可能有助于临床医生进行风险分层.
- 需要进一步的研究来阐明MP与这一群体的死亡率之间的因果关系.
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