组织因子通路抑制剂与组织因子通路抑制剂相关的组织因子升高和不稳定性胸痛患者的预后
1Division of Cardiology, Kumamoto University School of Medicine, Kumamoto City, Japan.
Circulation
|June 9, 1999
概括
在不稳定的胸痛患者中,组织因子 (TF) 和组织因子通路抑制剂 (TFPI) 的血水平升高. 较高的TF和TFPI水平表明不利结果的风险增加,TF是关键预测因素.
科学领域:
- 心血管医学 心血管医学
- 血液学 血液学 血液学
- 生物化学 生物化学
背景情况:
- 不稳定性胸痛是一种关键的心血管疾病.
- 组织因子 (TF) 和组织因子通路抑制剂 (TFPI) 在凝血中起作用.
- 了解它们在不稳定性心痛中的作用对于风险分层至关重要.
研究的目的:
- 为了评估不稳定的胸痛患者的血TF和TFPI水平.
- 确定这些水平与不利结果之间的关系.
- 评估TF和TFPI作为不良事件的预测因素.
主要方法:
- 血样本从患有不稳定性心痛,稳定性强迫性心痛和胸痛综合征的患者中收集.
- 测量了TF和自由TFPI抗原的水平.
- 分析了TF和TFPI之间的相关性.
- 结果,包括需要重血管化和心脏事件,根据TF和TFPI水平进行了比较.
主要成果:
- 与对照人群相比,不稳定的心脏病患者的血TF和自由TFPI水平显著更高.
- 在TF和TFPI水平之间观察到正相关性.
- 较高的TF水平与更大的再血管化需求有关.
- 患有心脏事件的患者中,提升的TF水平显著更高.
结论:
- 在患有不稳定性胸痛的患者中,血TF和自由TFPI水平升高.
- 增加的TF和自由TFPI水平意味着不利结果的风险增加.
- 升高的TF水平是不稳定性心痛中不良事件的更重要的预测因素.
相关概念视频
Drug-Receptor Interaction: Agonist
Agonists are drugs that interact with specific receptors in the body to produce a biological response. When an agonist binds to a receptor, it activates or enhances the receptor's function, leading to physiological effects. The interaction between agonist drugs and receptors is crucial for their therapeutic action in various medical treatments.
Agonists can bind to receptors in different ways. Some agonists bind directly to the receptor's active site, mimicking the endogenous ligand's action.
Agonists can bind to receptors in different ways. Some agonists bind directly to the receptor's active site, mimicking the endogenous ligand's action.
Combined Effects of Drugs: Antagonism
The combined effects of drugs can result in various interactions, of which an important type is antagonism. Antagonism is a mechanism where one drug inhibits or counteracts the effects of another drug. Antagonism can occur through various means, including receptor binding, allosteric modulation, functional interaction, chemical reactions, and pharmacokinetic processes.
The most common type is receptor antagonism, where one drug acts as an antagonist to block the effects of another drug by...
The most common type is receptor antagonism, where one drug acts as an antagonist to block the effects of another drug by...
Opioid Receptors: Overview
Opioid receptors, including the mu (μ, MOR), delta (δ, DOR), and kappa (κ, KOR) types, belong to the rhodopsin family of G protein-coupled receptors. These receptors are located throughout the central and peripheral nervous systems and in non-neuronal tissues such as macrophages and astrocytes. Opioid receptor ligands can be categorized into agonists or antagonists. Highly selective agonists include [d-Ala2, MePhe4, Gly(ol)5]-enkephalin or DAMGO for MOR, [D-Pen2, D-Pen5]-enkephalin or DPDPE for...
Analgesia and Pain Management
Pain is critical to various clinical pathologies, provoking an urgent need for effective management. Pain, whether acute or chronic, is a complex neurochemical process. Its alleviation depends on the type, with nonopioid analgesics effective for mild to moderate pain, such as musculoskeletal or inflammatory pain, while neuropathic pain responds best to anticonvulsants, tricyclic antidepressants, or serotonin/norepinephrine reuptake inhibitors. For severe acute or chronic pain, opioids may be...
