血小板计数与血液透析患者的死亡率有U形关联
Xinju Zhao1, Angelo Karaboyas2, Liangying Gan1
1Department of Nephrology, Peking University People's Hospital, Unit 10C in Ward Building, 11 Xizhimennan Street, Xicheng District, Beijing, 100044, China.
Scientific reports
|November 4, 2024
概括
血小板数量,无论是低的还是高的,都与血液透析患者的死亡率增加有关. 这种U形的关联表明血小板计数可以预测这个人群的结果.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學.
- 血液学 血液学 血液学
- 流行病学 流行病学
背景情况:
- 之前的研究表明,血小板缺血预测了中国血液透析患者的死亡率.
- 血小板在凝血和炎症中的作用表明,高血小板数量也可能增加死亡风险.
- 证据将血小板计数与HD患者的死亡率和心血管死亡率联系在一起是有限的.
研究的目的:
- 为了研究血小板计数与所有原因和心血管 (CV) 死亡率之间的关联,在一个大型的国际血液透析队列中.
- 为了确定血小板计数是否可以作为血液透析患者随时可用的结果预测指标.
主要方法:
- 从396个透析结果和实践模式研究 (DOPPS) 第五阶段设施 (2012-2015) 的国际数据分析.
- 患者分为低 (<100),正常 (100-300) 和高 (>300*10^9/L) 血小板计数组.
- 考克斯回归分析调整了混因子,以评估与所有原因和心血管死亡率的关联.
主要成果:
- 这项研究包括13,631名血液透析患者 (61.2%是男性,年龄中位数为65岁).
- 低血小板计数 (HR:1.48) 和高血小板计数 (HR:1.17) 均显著相关于在同变量调整后增加全因死亡率.
- 对于心血管死亡也观察到类似的U形关联.
结论:
- 血小板计数在血液透析患者中表现出与全因和心血管死亡率的U形关联.
- 低血小板数量和高血小板数量都是该人口中死亡率的重要预测因素.
- 血小板计数是血液透析患者潜在的有价值和可访问的结果预测指标.
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