相关实验视频
Updated: Jul 1, 2025

06:47
Microfluidics in Assessing Platelet Function
Published on: November 8, 2024
857
创伤中的特兰胺酸:在受伤3小时后,何时可以安全有效地再次使用?
Christopher D Barrett1,2, Matthew D Neal3, Jonathan G Schoenecker4
1Department of Surgery, University of Nebraska Medical Center, Omaha, Nebraska, USA.
Transfusion
|March 10, 2024
概括
特兰胺酸 (TXA) 在早期创伤护理中显示出好处,但如果在受伤后3小时内服用,则会增加出血风险. 在这个窗口以外的多创伤骨科患者中,其安全性和有效性尚不清楚.
科学领域:
- 创伤护理的护理人员.
- 紧急医疗 紧急医疗
- 药理学 药理学是指药理学的学科.
背景情况:
- 创伤伤害后3小时内给药的特兰胺酸 (TXA) 与降低死亡率有关.
- 有证据表明,TXA的益处来自于减少出血和其他非出血机制.
- 当TXA超过3小时窗口时,观察到出血相关死亡率的矛盾增加.
研究的目的:
- 评估tranexamic acid在接受骨科手术的多创伤患者的安全性和有效性.
- 确定在3小时疗效窗口之外的骨科创伤患者中TXA的最佳时间.
主要方法:
- 关于在创伤和骨科手术中使用特兰胺酸的现有文献的综述.
- 分析临床试验数据和观察性研究.
- 对TXA的效果进行比较研究,重点关注TXA的使用时间.
主要成果:
- TXA有1级证据支持其用于在孤立的骨科手术中减少出血.
- 在受伤后3小时以上接受骨科手术的多创伤患者中,TXA的疗效和安全性尚未得到充分证实.
- 目前的证据并未明确推迟TXA在这个特定患者队列中的风险或益处.
结论:
- 虽然TXA在早期创伤中是有益的,但在多创伤骨科患者的使用超过3小时需要进一步调查.
- 创伤中TXA疗效的确定的3小时窗口可能不会直接转化为多创伤骨科设置.
- 需要进一步的研究来确定TXA在复杂的骨科创伤病例中的适当使用.
相关概念视频
Extrinsic and Intrinsic Pathways of Hemostasis
7.6K
Blood clotting or coagulation involves extrinsic and intrinsic pathways, which ultimately merge into the common pathway, forming a fibrin clot.
The Extrinsic Pathway
The extrinsic pathway of coagulation is typically initiated by tissue damage that exposes blood to tissue factor (TF), a protein released by the damaged tissue cells outside the blood vessels—this interaction with TF triggers biochemical reactions involving specific clotting factors. The key player here is Factor VII, which...
The Extrinsic Pathway
The extrinsic pathway of coagulation is typically initiated by tissue damage that exposes blood to tissue factor (TF), a protein released by the damaged tissue cells outside the blood vessels—this interaction with TF triggers biochemical reactions involving specific clotting factors. The key player here is Factor VII, which...
7.6K
Introduction to Hemostasis
7.7K
Hemostasis is a complex physiological process that prevents excessive bleeding when a blood vessel is injured. It's crucial for maintaining the integrity of the circulatory system, as it ensures that our blood remains fluid while still within the vascular network and yet clots to prevent blood loss upon vessel injury.
The three phases of hemostasis involve many clotting factors present in plasma and several substances released by platelets and injured tissue cells. It is a fast, localized,...
The three phases of hemostasis involve many clotting factors present in plasma and several substances released by platelets and injured tissue cells. It is a fast, localized,...
7.7K

