在败血症中急性左心室喷射分数的变化:临床预测因素,管理和医院结局
Mohamad Ghazal1, Shayhaan Shaikh1, Zachary Daniel1
1Department of Internal Medicine, Albany Medical Center, Albany, NY, USA.
Heart & lung : the journal of critical care
|October 24, 2025
概括
败血症可以改变左心室喷射分数 (LVEF),但败血症期间LVEF的急性变化不会显著影响死亡率或住院. 潜在的心脏病状况和B型尿素 (BNP) 水平可以预测这些LVEF变化.
科学领域:
- 心脏病学 心脏病学
- 关键护理医学 关键护理医学
- 生理学 生理学 生理学
背景情况:
- 败血症诱导复杂的血液动力学变化,包括血管扩张和交感激活,对左心室喷射率 (LVEF) 有潜在的相反影响.
- 败血症对LVEF及其决定因素的影响尚未完全理解,需要进一步调查.
研究的目的:
- 在败血症期间检查LVEF的急性变化.
- 为了确定在败血症患者中LVEF变化的预测因素.
- 评估LVEF动态与临床结果之间的关联.
主要方法:
- 对患有败血症的ICU患者进行了回顾性队列研究.
- 在败血症发生之前和期间,分析了胸前心脏回声图.
- 患者按基线LVEF和LVEF变化分层,不包括STEMI和显著的膜疾病.
主要成果:
- 大多数患者在败血症期间保持或改善LVEF;然而,很大一部分患者经历了下降.
- LVEF下降与冠状动脉疾病,心房动和右心室功能障碍有关.
- 升高的BNP,降低血压和增加的血管压力支持与LVEF降低有关,但与死亡率或停留时间无关.
结论:
- 败血症中的急性LVEF变化受到败血症严重程度和先前存在的心脏病状况的影响.
- B型天然尿素 (BNP) 可能表明急性LVEF变化.
- 败血症期间的急性LVEF变化似乎不会影响住院死亡率或住院时间.
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