红细胞分布宽度 (RDW) 作为急性呼吸困扰综合征 (ARDS) 患者临床过程和死亡率的预测指标:一项回顾性研究
Anna Kirsch1, Felix Niebhagen1, Sandra Waske1
1Department of Anesthesiology and Critical Care Medicine University Hospital Carl Gustav Carus and Carl Gustav Carus Faculty of Medicine, TU Dresden Dresden Germany.
Health science reports
|October 30, 2025
概括
红细胞分布宽度 (RDW) 在ICU入院时测量,预测急性呼吸困扰综合征 (ARDS) 患者的死亡率. 较高的RDW水平表明ARDS患者死亡风险增加和临床结果较差.
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
- 肺部病理学 肺部病理学
背景情况:
- 对于急性呼吸困扰综合征 (ARDS) 严重病患者红细胞分布宽度 (RDW) 的预后价值的证据有限.
- RDW是红细胞大小变化的衡量标准.
研究的目的:
- 评估RDW的预后价值作为诊断为ARDS的患者死亡率的预测指标.
- 确定RDW是否可以作为ARDS严重性和死亡风险的可靠标记.
主要方法:
- 一项回顾性研究包括1037名在2007年至2019年期间被诊断患有ARDS的成年ICU患者.
- 用逻辑回归,考克斯回归和接收器操作曲线分析分析了ICU入院和ICU停留期间的RDW值.
- 进行了统计分析,以评估RDW预测死亡率的能力.
主要成果:
- 与幸存者相比,非幸存者在ICU入院时表现出显著更高的RDW (中位数RDW为16.55%与15.4%,p < 0.0001).
- 在ICU入院时,RDW切断率≥16.4%与更高的严重性得分 (SAPS II,APACHE II),长时间的机械通风,更长时间的ICU停留和增加的ICU死亡率有关.
- 患有RDW≥16.4%的患者患有ICU死亡的风险几乎翻了一番 (危险比:1.96) 和显著较低的中位生存期 (27天 vs. 72天).
结论:
- 在ICU入院时测量的RDW是ARDS患者死亡率和临床过程的重要预测指标.
- RDW可以被用作可靠和可访问的标志物来评估ARDS的严重程度,并预测重症监护室的死亡风险.
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