老年创伤凝血概况:性别对血块形成的影响
Francisco Castillo-Diaz1, Mohammad Al Ma'ani, Louis J Magnotti
1From the Division of Trauma, Critical Care, Burns, and Emergency Surgery, Department of Surgery, College of Medicine, University of Arizona, Tucson, Arizona.
The journal of trauma and acute care surgery
|January 27, 2026
概括
与男性相比,老年女性在创伤后表现出更快的凝块形成和更大的凝块强度. 这些基于性别的高凝血能力差异仍然存在,尽管年龄较大,因此需要进一步调查.
科学领域:
- 创伤和伤害研究 创伤和伤害研究
- 凝血科学 凝血科学
- 老年医学 老年医学
背景情况:
- 关于老年创伤患者的基于性别的凝血差异的数据有限.
- 这项研究调查了这一人口群体中血栓凝结学 (TEG) 和凝血概况的性别差异.
- 假设年龄较大的女性在创伤后表现出增强的血块形成和力量.
研究的目的:
- 评估老年创伤患者凝血参数的基于性别的差异.
- 为了比较雄性和雌性之间的血栓凝结学 (TEG) 和传统的凝血概况.
- 为了确定性别是否影响老年创伤患者的高凝血能力.
主要方法:
- 来自一级创伤中心的老年创伤患者 (≥65岁) 的回顾性评估 (2018-2023).
- 排除患有出血障碍,服用抗凝血剂/抗血小板剂,或在TEG之前接受血液制品/抗纤维素解药的患者.
- 根据性别分层的血栓形成显微镜 (TEG) 变量 (ACT,α角度,MA,LY30) 和常规配置文件 (PT,INR) 的分析.
主要成果:
- 与男性相比,女性的TEG激活凝血时间 (ACT) 显著缩短,α角更高,最大幅度 (MA) 更大.
- 女人也有较低的前列血时间 (PT) 和国际正常化比率 (INR).
- 在调整了混因素后,男性性别独立地与较低的α角和MA相关.
结论:
- 老年创伤女性表现出比男性更快的凝块形成和更大的凝块强度,如TEG所示.
- 基于性别的高凝血性可能会在老年人中持续存在,即使与年龄相关的荷尔蒙变化.
- 需要进一步的前性多中心研究来验证这些发现并探索影响因素.
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