在发生血液透析患者中,贫血管理实践的比较死亡风险
M Alan Brookhart1, Sebastian Schneeweiss, Jerry Avorn
1Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, USA.
JAMA
|March 4, 2010
概括
末期病 (ESRD) 贫血管理影响死亡率. 较高的红色素刺激剂 (ESA) 和铁的使用与低血红素水平的ESRD患者的较低死亡率相关,但在更高的血红素水平时风险增加.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 临床医学 临床医学
- 公共卫生 公共卫生
背景情况:
- 在末期病 (ESRD) 中最佳的贫血管理仍然是争论的主题.
- 透析中心在使用红色素形成刺激剂 (ESA) 和静脉注射铁治疗贫血方面表现出各种模式.
研究的目的:
- 调查透析中心级贫血管理策略与患者死亡风险之间的关联.
- 为了比较不同模式的ESA和血液透析患者的铁利用率的死亡风险.
主要方法:
- 对269,717名发生血液透析患者的Medicare ESRD计划数据 (1999-2007) 的分析.
- 透析中心每年基于ESA和铁使用的贫血管理实践的表征.
- 考克斯比例危险回归用于评估中心级实践与1年全因死亡率之间的相关性.
主要成果:
- 血红素<30%的患者的死亡率最高,血红素≥36%的患者的死亡率最低.
- 在血红素<30%的患者中,较高的ESA剂量与较低的死亡率相关 (HR,0.94).
- 在血红素<33%的患者中,增加铁的剂量与较低的死亡率有关 (HR,0.95).
- 在血红素33%-35.9%的患者中,较高的ESA剂量显示死亡率增加 (HR,1.07).
- 在血红素≥36%的患者中,强化使用ESA和铁与死亡风险增加有关.
结论:
- 在末期病患者中,增加红色素形成刺激剂和铁的使用与较低血红素水平的死亡率降低有关.
- 相反,较高的血红素水平,虽然通常与较低的死亡率相关,但在更密集的ESA和铁管理下显示死亡风险较高.
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