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动脉乳酸作为与冠状病毒疾病相关的呼吸衰竭死亡的危险因素 2019:一项观察性研究
Giorgio Maraziti1, Laura Marchini2, Greta Barbieri3,4
1Internal Cardiovascular and Emergency Medicine-Stroke Unit, S. Maria della Misericordia Hospital, University of Perugia, Perugia 06156, Italy.
Therapeutic advances in respiratory disease
|August 30, 2023
概括
非ICU患者因COVID-19相关呼吸衰竭入院时动脉乳酸水平升高与30天住院死亡率的增加有关. 这一发现强调了乳酸作为这一患者群体中关键的预后生物标志物.
科学领域:
- 关键护理医学 关键护理医学
- 传染性疾病 传染性疾病
- 生物标志物 生物标志物
背景情况:
- 动脉乳酸是已知的临界病患者死亡率预测因子.
- 动脉乳酸在COVID-19相关急性呼吸衰竭的预后意义仍然不确定.
研究的目的:
- 评估COVID-19相关急性呼吸衰竭患者入院时动脉乳酸盐水平的预后值.
- 确定初始乳酸盐水平与30天住院死亡率之间的关联.
主要方法:
- 从连续的非ICU患者中创建了一个协作数据库,这些患者因COVID-19呼吸衰竭而入院.
- 评估了入院时的动脉乳酸盐水平 (连续和≥2.0 mmol/l) 和24小时的乳酸盐清除率 (ΔLac).
- 考克斯比例回归模型被用来确定30天住院死亡的独立预测因素.
主要成果:
- 14.6%的患者在入院时呈现乳酸水平≥2.0 mmol/l.
- 30天住院死亡率在正常乳酸患者中为22.3%,在乳酸≥2.0mmol/l患者中为56.7%.
- 在多变量调整后,乳酸≥2.0 mmol/l独立预测了住院死亡 (HR2.53,p=0.0066); ΔLac没有.
结论:
- 入院时动脉乳酸的增加是COVID-19相关急性呼吸衰竭的非ICU患者30天住院死亡率的独立预测因素.
- 乳酸作为一个有价值的预后生物标志物在这个特定的患者群体.
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