败血症诱导的凝血功能障碍及其治疗的机制
Lei Zhu1,2, He Dong1,2, Lin Li1,2
1Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, People's Republic of China.
Journal of inflammation research
|February 10, 2025
概括
败血症通过复杂的机制引起广泛的器官功能障碍,包括免疫和凝血系统的失败. 了解这些途径,如组织因子激活和中性粒细胞外细胞陷,是开发新的败血症治疗方法的关键.
科学领域:
- 关键护理医学 关键护理医学
- 血液学 血液学 血液学
- 免疫学 免疫学 免疫学
背景情况:
- 败血症是一种危及生命的器官功能障碍,是由宿主对感染的反应失调引起的.
- 凝血病或凝血功能障碍是败血症患者常见和严重的并发症.
- 潜在的机制是多因素的,涉及炎症,免疫失调和细胞压力.
研究的目的:
- 审查推动败血症诱导的凝血病的复杂机制.
- 要突出关键的途径,如组织因子激活,内皮糖核损伤和中性粒细胞外细胞陷 (NET) 释放.
- 确定潜在的治疗点,以管理与败血症相关的出血和血栓形成.
主要方法:
- 关于败血症诱导的凝血病机制的文献综述.
- 专注于炎症,凝血和细胞损伤之间的相互作用.
- 对针对特定分子通路的新兴治疗策略的分析.
主要成果:
- 败血症引起的凝血病是由血小板激活,凝血级联激活和炎症失衡的复杂相互作用引起的.
- 关键的贡献者包括组织因子表达,内皮葡萄糖体损伤和中性粒细胞外细胞陷 (NET) 的释放.
- 这些机制相互作用并相互放大,导致器官功能障碍.
结论:
- 败血症诱导的凝血病是败血症的一个关键表现,具有严重的后果.
- 准诸如组织因子激活,内皮质糖核体完整性和NET等途径提供了有前途的治疗途径.
- 对这些机制的进一步研究对于改善败血症患者的治疗结果至关重要.
相关概念视频
01:09Coagulation
4.3K
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...
4.3K
01:30Anticoagulant Drugs: Low-Molecular-Weight Heparins
601
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...
601
01:20Extrinsic and Intrinsic Pathways of Hemostasis
4.9K
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...
4.9K
01:05Introduction to Hemostasis
5.1K
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,...
5.1K
01:24Disorders of Hemostasis
686
Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
686
01:16Clot Retraction and Fibrinolysis
3.5K
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.
3.5K