红细胞分布宽度与喘的长期预后之间的关系:基于人口的研究
Zhishen Ruan1, Yanyan Wang2, Yiling Fan1
1Xiyuan Hospital of Chinese Academy of Chinese Medical Sciences, Beijing, China.
Scientific reports
|February 22, 2025
概括
高红细胞分布宽度 (RDW) 与喘死亡率的增加有关,即使在症状轻微的患者中也是如此. 这一发现表明,RDW可以成为预测喘预后和指导管理策略的有价值生物标志物.
科学领域:
- 肺部医学 肺部医学
- 血液学 血液学 血液学
背景情况:
- 喘死亡率不成比例地影响着微妙症状的个体,构成重大公共卫生挑战.
- 红细胞分布宽度 (RDW) 是红细胞大小变化的度量,通常反映出炎症和细胞应激.
研究的目的:
- 调查RDW与成人喘患者的长期死亡率之间的关联.
- 评估RDW的预后价值,特别是在症状很小或不显著的喘患者中.
主要方法:
- 来自国家健康和营养检查调查 (NHANES) 的3039名成人喘患者的分析.
- 利用考克斯回归模型来评估RDW与所有原因和呼吸道死亡率的相关性,并对潜在的混因素进行调整.
- 采用子组分析和接收器运行特征 (ROC) 曲线来评估预测准确性.
主要成果:
- 在较高的RDW水平 (≥13.0%) 和增加的全因和呼吸道死亡率之间观察到正相关性.
- 高RDW组的死亡率显着更高 (所有原因的HR为1.66,呼吸系统的HR为8.69).
- RDW与男性性别和喘息对呼吸道死亡的显著相互作用,高的RDW和喘息表明最高的风险. ROC分析显示,RDW对呼吸道死亡的预测值超过了80%.
结论:
- 升高的RDW与喘患者的预后较差和死亡风险增加有关.
- RDW,特别是当与喘息症状一起考虑时,显示出作为喘管理和风险分层的有价值生物标志物的潜力.
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