精选的晶体和体溶液对旋转血栓形成仪和血小板功能分析仪评估的凝血状态的影响:一种体外研究
Jakub Jonas1, Miroslav Durila1, Tomas Vymazal1
1Department of Anaesthesiology and Intensive Care Medicine, University Hospital in Motol, Prague, Czech Republic.
概括
血-莱特,阿尔布诺姆5%和格拉斯潘4%的溶液对血液凝结有不同的影响. 血-莱特对二次血静有极小的影响,而格拉斯潘4%显著降低了凝块强度和纤维素原水平. 所有的溶液都影响了原发性血小板功能.
科学领域:
- 麻醉学和重症监护医学
- 血液学 血液学 血液学
- 药理学 药理学是指药理学的学科.
背景情况:
- 晶体和体溶液经常在重症监护和术后治疗中使用.
- 这些流体疗法可能会改变血液静止的微妙平衡.
- 了解常用解决方案的具体影响对于患者管理至关重要.
研究的目的:
- 评估Plasma-Lyte,albunorm 5%和Gelaspan 4%对初级和二级静血的体外影响.
- 为了比较这些常用的晶化物和合物溶液的静血作用.
- 为了确定哪种溶液对凝血参数产生最少的有害影响.
主要方法:
- 展望性体外研究涉及20名健康志愿者的血液样本.
- 使用旋转性血小板血栓测量 (ROTEM) 和血小板功能分析仪 (PFA).
- 与对照组相比,在用Plasma-Lyte,albunorm 5%或Gelaspan 4%稀释10%后评估血液静止.
主要成果:
- 血Lyte缩短了凝血时间 (EXTEM-CT) 和降低了纤维素原水平 (FIBTEM-MCF).
- 在多项测定中,Albunorm 5%和Gelaspan 4%延长了凝血时间 (EXTEM-CFT),降低了凝血的传播 (EXTEM-alpha) 和降低了凝血强度 (MCF).
- 在血小板功能测试中,所有溶液都延长了闭合时间,这表明初级血液静止受损.
结论:
- 在测试的溶液中,Plasma-Lyte对二次静血的影响最小.
- 在合物溶液中,Albunorm 5%对血液静止的影响最小.
- 格拉斯潘4%显著损害了凝血传播,强度和纤维素水平,而所有溶液都影响了原发性血小板功能.
相关概念视频
Formation of the Platelet Plug
3.3K
The platelet phase, the second stage of hemostasis, commences around 15-20 seconds after an injury. It follows and overlaps with the vascular phase, during which blood vessels constrict to minimize blood loss.
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
3.3K
Anticoagulant Drugs: Low-Molecular-Weight Heparins
568
Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
568
Clot Retraction and Fibrinolysis
3.0K
After a fibrin clot is formed, the next step is clot retraction, a vital process facilitated by platelet contractile proteins, such as actin and myosin. These proteins pull the fibrin strands closer together and condense the clot. This action reduces the size of the clot, creating a smaller, denser structure that effectively seals off the damaged vessel. Clot retraction consolidates the clot and helps with wound healing by bringing the edges of the damaged blood vessel closer together.
3.0K
Coagulation
3.7K
The coagulation phase is a critical part of the body's process to prevent blood loss following injury to blood vessels. It involves chemical reactions that form a clot to seal the injured area. The clotting process begins shortly after injury, within 15-20 seconds for severe damage and 1-2 minutes for minor injuries.
During the coagulation phase, clotting factors, or procoagulants, play a vital role in initiating and progressing the coagulation cascade. This cascade is a series of reactions...
During the coagulation phase, clotting factors, or procoagulants, play a vital role in initiating and progressing the coagulation cascade. This cascade is a series of reactions...
3.7K


