在甲状腺下出血中,自由与限制性输血策略:对TRAIN研究的二次分析
Chahnez Taleb1, Elisa Gouvea Bogossian2, Carla Bittencour Rynkowski3,4
1Department of Intensive Care, Erasme Hospital, Université libre de Bruxelles, Brussels, Belgium.
Critical care (London, England)
|February 7, 2025
概括
一个自由的红细胞输血策略用于下大脑下出血患者没有降低不利的结果,但降低了脑缺血症. 进一步的分析表明,在减少神经系统不良事件方面存在潜在的益处.
科学领域:
- 神经学 神经学
- 血液学 血液学 血液学
- 临界护理医学 临界护理医学
背景情况:
- 红细胞输血 (RBCT) 在下关节出血 (SAH) 患者的最佳血红蛋白值仍在争论中.
- 这项研究调查了自由与限制性输血策略对SAH神经结果的影响.
研究的目的:
- 为了评估自由与限制性红细胞输血策略在脑下出血患者的神经结果.
- 确定输血门与脑缺血等不良事件之间的关联.
主要方法:
- 对TRAIN研究的二次分析,包括SAH患者随机选择RBCT,血红蛋白<9g/dL (自由) 或<7g/dL (限制性).
- 主要结局:180天后的神经学结果不利 (格拉斯哥结局尺度扩展1-5).
- 多变量分析调整为混因素.
主要成果:
- 在180天后,自由主义 (66.3%) 和限制性 (76.4%) 组之间的不利结果没有显著差异.
- 自由主义者群体的脑缺血风险显著降低 (RR 0.63;95% CI 0.41-0.97).
- 多变量分析显示,随机分配到自由派组与较低的不利结果风险相关 (RR 0.83,95% CI 0.70-0.99).
结论:
- 与SAH中的限制性策略相比,自由的输血策略与较低的不良结果没有直接关联.
- 然而,多变量分析表明,自由的方法可能会减少不利的结果,在调整混因素后.
- 自由输血显著降低了SAH患者脑缺血的发生率.
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