相关实验视频
Updated: Jan 8, 2026

10:08
Pseudofracture: An Acute Peripheral Tissue Trauma Model
Published on: April 18, 2011
15.2K
纤维素素是骨盆骨折中急性器官功能障碍的早期预测因素
Po-Chun Wang1, Kuo-En Chen1, Hui-An Lin2
1School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
Injury
|December 19, 2025
概括
在骨盆骨折患者的低纤维素水平 (≤200 mg/dL) 预测了更高的死亡率和器官功能障碍. 这一发现突出了纤维素素作为创伤护理中的关键预后标志物.
科学领域:
- 创伤外科 手术 创伤外科
- 血液学 血液学 血液学
- 关键护理医学 关键护理医学
背景情况:
- 骨盆骨折与显著的发病率和死亡率有关.
- 这些患者初始纤维素素水平的预后影响尚不清楚.
研究的目的:
- 在患有骨盆骨折的患者中调查初始纤维素水平的预后价值.
- 确定低纤维素素水平与不良结果之间的关联,包括死亡率和器官功能障碍.
主要方法:
- 全球回顾性队列研究使用TrinetX全球协作网络数据 (2005-2025).
- 包括骨盆骨折和可用纤维素水平的患者,随访时间≥30天.
- 根据共变量调整后的倾向性得分匹配;对纤维素原 ≤200 mg/dL 和 >200.01 mg/dL 的结果进行比较.
主要成果:
- 分析了10,552名匹配患者;低纤维素素组显示30天的风险明显更高.
- 观察到急性损伤 (RR 1.30),休克 (RR 1.51),呼吸衰竭 (RR 1.29),ARDS (RR 1.28),DIC (RR 2.06) 和所有原因死亡率 (RR 1.90) 的风险增加.
- 关联在各个子组和敏感性分析中保持一致.
结论:
- 纤维素水平≤200 mg/dL是增加死亡率的重要预测因素.
- 低纤维素因子与骨盆骨折患者急性器官功能障碍的风险增加有关.
相关概念视频
Clot Retraction and Fibrinolysis
8.3K
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.
8.3K
Coagulation
9.5K
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...
9.5K
Extrinsic and Intrinsic Pathways of Hemostasis
11.8K
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...
11.8K
Blood Studies for Cardiovascular System I: Cardiac Biomarkers
758
Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
758
Introduction to Hemostasis
13.0K
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,...
13.0K
Formation of the Platelet Plug
8.6K
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...
8.6K

