血红蛋白变化大小与败血症患者的长期死亡率之间的关系:一项回顾性队列研究
Wen-Ming Shao1,2, Lu-Wei Ye3,2, Lu-Ming Zhang3
1Emergency Department, The First Affiliated Hospital of Jinan University, Guangzhou, China.
BMC infectious diseases
|June 11, 2024
概括
在重症监护室 (ICU) 败血症患者的第四天,血红蛋白 (HGB) 水平显著下降7%或更多,表明长期预后更差. 这一发现强调了HGB变化作为败血症患者结果的关键指标.
科学领域:
- 关键护理医学 关键护理医学
- 血液学 血液学 血液学
- 临床病理学 临床病理学
背景情况:
- 败血症是一种危及生命的疾病,在ICU中死亡率高.
- 血红蛋白 (HGB) 水平对于败血症患者的氧气输送至关重要.
- 早期HGB变化的预后价值 败血症后治疗需要进一步调查.
研究的目的:
- 研究血红蛋白水平早期时间变化与败血症患者的长期死亡率之间的关联.
- 为了确定在ICU入院的前几天内HGB的特定百分比下降是否预测了长期生存.
主要方法:
- 来自MIMIC IV数据库的败血症患者数据的追溯分析.
- 根据HGB百分比变化在第4天与第1天相比,将患者分类为组.
- 利用卡普兰-梅尔生存曲线,考克斯回归和倾向分数匹配 (PSM) 来分析结果.
主要成果:
- 到第4天HGB减少≥7%的患者的长期死亡率明显高于减少<7%的患者.
- 考克斯回归显示,所有原因死亡率的危险比率在180,360,540和720天增加,对于≥7%的减少组.
- 卡普兰-梅尔分析证实,在所有测量时间点 (180-720天) 中,减少组≥7%的生存率较低.
结论:
- 在入院后的第四天,HGB水平下降7%或以上是ICU败血症患者长期预后更差的重要预测因素.
- 早期监测HGB动态可以帮助风险分层和管理败血症.
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