相关实验视频
Updated: Jun 22, 2025

10:37
Ferric Chloride-induced Murine Thrombosis Models
Published on: September 5, 2016
21.6K
血小板糖蛋白IIb/IIIa对手在缺血性中风患者没有内血管治疗:一个元分析
Dongjun Xu1, Cheng Yang1, Wei Cao1
1Department of Emergency Medicine, The First Hospital of Jiaxing, Jiaxing University, Jiaxing, China.
Pharmacotherapy
|July 1, 2024
概括
血小板糖蛋白IIb/IIIa对抗剂显著改善了急性缺血性中风患者的功能结果,这些患者没有接受内血管治疗. 这种治疗提高了恢复得分,并减少了中风的进展,而不会增加出血或死亡的风险.
科学领域:
- 神经学 神经学
- 心血管医学 心血管医学
- 药理学 药理学是指药理学的学科.
背景情况:
- 血小板糖蛋白 (GP) IIb/IIIa对抗剂用于急性缺血性中风 (AIS) 的内血管后治疗 (EVT).
- 它们在没有EVT的AIS患者中的使用仍在争论中.
- 这次元分析评估了它们在这个特定的患者群体中的有效性和安全性.
研究的目的:
- 在没有EVT的AIS患者中,与传统疗法相比,评估GP IIb/IIIa对抗剂的有效性和安全性.
- 确定对功能结果,中风进展和不良事件的影响.
主要方法:
- 随机对照研究的元分析.
- 在PubMed,科学网,EMBASE和Cochrane数据库中进行了搜索.
- 包括15项研究,评估偏见风险和证据确定性.
主要成果:
- GP IIb/IIIa对抗剂改善了修改后的兰金尺度 (mRS) 评分 (0-1和0-2) 和巴特尔指数 (BI) (95-100).
- 在5天内减少中风进展,并在7天内降低NIH中风量表得分.
- 没有明显增加中风复发,任何内出血 (aICH),症状性内出血 (sICH) 或死亡.
结论:
- 在AIS发作后24-96小时内服用GP IIb/IIIa对手可以改善未接受EVT的患者的功能预后.
- 这些药物不会增加重大不良事件的风险,如出血或死亡.
- 支持使用GP IIb/IIIa对抗剂作为治疗选择,用于没有EVT的选定的AIS患者.
相关概念视频
Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors
517
Antiplatelet drugs emerge as frontline defenders against the insidious threat of thromboembolic diseases, where abnormal clots obstruct vital blood vessels. These drugs stand as bulwarks, inhibiting platelet aggregation and clot formation, thereby mitigating the risk of life-threatening conditions like myocardial infarction, coronary artery disease, and thrombotic strokes.
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
517
Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants
1.2K
Oral anticoagulants are vital tools in preventing and treating blood clotting disorders. This diverse class of medications can be categorized as vitamin K antagonists, exemplified by warfarin, and direct thrombin inhibitors (DTIs), such as dabigatran, as well as factor Xa inhibitors, including rivaroxaban.
Warfarin, a prominent vitamin K antagonist family member, exerts its effect by inhibiting the enzyme VKORC1 (vitamin K epoxide reductase complex 1). By hindering this enzyme, warfarin...
Warfarin, a prominent vitamin K antagonist family member, exerts its effect by inhibiting the enzyme VKORC1 (vitamin K epoxide reductase complex 1). By hindering this enzyme, warfarin...
1.2K
Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists
166
Prostacyclin receptor agonists are a class of therapeutic agents integral to managing pulmonary arterial hypertension (PAH). These drugs operate by mimicking the action of prostaglandin I2, or PGI2, a naturally occurring compound in the body.
These agonists bind to the IPR receptor situated on the plasma membrane of the pulmonary artery smooth muscle cells. This binding triggers a cascade of reactions known as the GS-AC-cAMP-PKA pathway. This pathway results in the relaxation of smooth muscle...
These agonists bind to the IPR receptor situated on the plasma membrane of the pulmonary artery smooth muscle cells. This binding triggers a cascade of reactions known as the GS-AC-cAMP-PKA pathway. This pathway results in the relaxation of smooth muscle...
166
Anticoagulant Drugs: Low-Molecular-Weight Heparins
675
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...
675
Formation of the Platelet Plug
5.7K
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...
5.7K
Clot Retraction and Fibrinolysis
5.4K
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.
5.4K

