可注射的静血泡水凝用于创伤性腹内出血
Yicheng Guo1,2, Xiaohong Zhao1, Ying Wang1
1Institute of Burn Research, State Key Laboratory of Trauma and Chemical Poisoning, Southwest Hospital, The Third Military Medical University (Army Medical University), Chongqing, 400038, China.
Materials today. Bio
|October 23, 2025
概括
一种新的可注射的静血泡 (IHF) 通过模仿自然凝血,有效控制创伤性腹部出血. 这种装有诺阿基因的泡为严重出血损伤提供了安全和可行的紧急治疗选择.
科学领域:
- 生物材料科学 生物材料科学
- 再生医学是一种再生医学.
- 创伤外科 手术 创伤外科
背景情况:
- 创伤性腹部出血具有显著的死亡风险.
- 目前对于内部出血的医院前紧急治疗方法有限.
- 有效的出血控制对于改善患者的治疗结果至关重要.
研究的目的:
- 开发和评估可注射的静血泡 (IHF) 用于创伤性腹内出血的紧急控制.
- 在临床前模型中评估IHF的静血疗效和安全性.
- 为医院前出血管理提供一种新的解决方案.
主要方法:
- 开发一种含有偏上腺素的基酸盐/甲基桑基泡 (IHF).
- 在老鼠和子肝脏出血模型中评估IHF可注射性,坦波纳德效应和静血性质.
- 在模仿凝血功能障碍的肝素化模型中评估IHF性能.
- 在大鼠和猪模型中研究IHF安全性,包括术后粘附.
主要成果:
- IHF表现出极好的注射性和覆盖性,创造了一个坦波纳德效应.
- 上腺素和泡成分加速了血管收缩,血小板血栓形成和血液凝固.
- 在各种出血模型中观察到血流和出血时间的显著减少.
- 即使在肝素化模型中,IHF也保持了静血效果.
- 没有发现明显的手术后肠粘附,这表明安全性较好.
结论:
- 可注射的静血泡 (IHF) 是对创伤性腹内出血的有效和安全的紧急干预.
- IHF提供了一个低障碍,可行的策略,用于医院前出血控制.
- 这种新的生物材料有望提高重创患者的生存率.
相关概念视频
01:05Introduction to Hemostasis
13.3K
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,...
13.3K
01:30Anticoagulant Drugs: Low-Molecular-Weight Heparins
1.7K
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...
1.7K
01:20Extrinsic and Intrinsic Pathways of Hemostasis
12.0K
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...
12.0K