医院内红细胞分布宽度的变化以及心力衰竭重症患者的死亡率
Qi Zhang1, Bingyang Zhou1, Ximing Li1,2,3
1Department of Cardiology, Tianjin Chest Hospital, Tianjin, China.
ESC heart failure
|September 6, 2023
概括
住院期间红细胞分布宽度 (RDW) 的增加与严重心力衰竭患者的死亡率更高有关. 这一发现强调了RDW作为短期和长期生存的重要预后指标.
科学领域:
- 心脏病学 心脏病学
- 关键护理医学 关键护理医学
- 血液学 血液学 血液学
背景情况:
- 高红细胞分布宽度 (RDW) 与心力衰竭 (HF) 患者的预后不佳有关.
- 住院期间的RDW变化的预后意义 (ΔRDW) 在重症HF患者中尚未得到充分确立.
研究的目的:
- 研究心力衰竭重症患者住院 ΔRDW 与临床结果之间的关联.
- 确定 ΔRDW 是否是该患者群体所有原因死亡率的独立预测指标.
主要方法:
- 来自MIMIC-IV数据库的5514名严重心力衰竭患者的分析.
- 计算 ΔRDW 作为 RDW 排放时减去 RDW 接收时.
- 利用卡普兰-梅尔曲线和多变量考克斯回归来评估ΔRDW与90天,180天和1年的全因死亡率之间的关联.
主要成果:
- ΔRDW 的增加独立地与90天,180天和1年的全因死亡率增加有关 (HR 1.17-1.18每1%的增加).
- 观察到 ΔRDW 和死亡风险之间存在非线性关系.
- 增加的 ΔRDW 和死亡风险之间的关联在预先指定的子组中一致.
结论:
- 住院期间红细胞分布宽度的增加是严重心力衰竭患者短期和长期全因死亡率的独立预测因素.
- 在这个脆弱的患者群体中, ΔRDW 作为一个有价值的预后标记.
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