患有败血症的ICU患者的早期与延迟肠道营养:基于MIMIC-IV数据库的倾向性得分匹配分析
Fuchao Xu1, Jianxin Xu2, Jinjin Ma3
1Department of Emergency Medicine, Nanjing Drum Tower Hospital, Nanjing, China.
Frontiers in nutrition
|July 9, 2024
概括
败血症患者的早期肠道营养 (EN) 可能不会降低整体死亡率,但可以缩短ICU停留时间并减少急性损伤. 特定的患者群体,如乳酸盐水平较低的患者,可能会从早期的EN中获得生存益处.
科学领域:
- 临界护理医学 临界护理医学
- 胃肠病学 胃肠病学
- 腎臟病學 (nephrology) 是一種醫學專業.
背景情况:
- 早期肠道营养 (EN) 是治疗败血症的推辅助疗法.
- 早期EN在败血症患者的最佳时间和临床益处仍在研究中.
- 这项研究旨在澄清早期与延迟EN对败血症结局的影响.
研究的目的:
- 评估早期EN启动对败血症患者的死亡率,ICU停留时间和急性损伤 (AKI) 的影响.
- 为了比较在3天内接受EN的患者 (早期EN) 和在3到7天之间开始EN的患者 (延迟EN) 的结果.
- 为了确定毒症患者的潜在子组,他们可能特别受益于早期的EN.
主要方法:
- 来自MIMIC-IV 2.2数据库的败血症患者的回顾性分析,入院于MICU和SICU.
- 将患者分为早期EN (3天内开始) 和延迟EN (3-7天之间开始) 组.
- 应用倾向性得分匹配控制的混变量,并比较结果.
主要成果:
- 早期的EN与更短的ICU停留时间和较低的AKI第3阶段发病率有关,与倾向性得分匹配后延迟的EN相比.
- 在匹配后,早期和延迟EN组之间没有观察到28天总体死亡率的显著差异.
- 亚组分析表明,早期EN显著降低了乳酸水平≤4mmol/L的败血症患者28天死亡率.
结论:
- 早期EN可能不会改善整体存活率,但可以减少ICU停留时间和败血症患者的AKI发病率.
- 早期EN的好处可能在特定的患者亚组中更为明显,例如乳酸水平较低的患者.
- 需要进一步的研究来准确地定义患者的特征,以最大限度地从早期的EN中获益.
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