血小板聚合在患有败血症的患者的预后价值
Ting Chen1, Haohao Yang2, Zheren Zhao2
1Intensive Care Unit, Shanghai Jing'an District Zhabei Central Hospital, Shanghai, China.
Allergologia et immunopathologia
|May 9, 2024
概括
由腺二酸盐 (ADP) 诱导的血小板聚合率 (PAR) 对于预测败血症预后至关重要. 较低的ADP诱导的PAR表明血小板功能受损和败血症患者的死亡风险较高.
科学领域:
- 血液学 血液学 血液学
- 关键护理医学 关键护理医学
- 病理生理学 病理生理学
背景情况:
- 败血症是一种危及生命的器官功能障碍,是由宿主对感染反应失调引起的.
- 血小板激活和聚合在败血症病理生理学和结果中起着重要作用.
- 血小板聚合标志物,如由酸 (AA) 和二酸腺 (ADP) 诱导的血小板聚合标志物,需要对其在败血症的预后价值进行调查.
研究的目的:
- 在败血症患者中调查AA和ADP诱导的血小板聚合率 (PAR) 的预后意义.
- 在败血症幸存者和非幸存者之间比较临床参数和PAR.
主要方法:
- 分析了40名败血症患者的队列,根据28天的预后分为生存 (n=31) 和严重败血症 (n=9) 组.
- 对比了临床参数,包括血小板计数 (PLT) 和炎症标志物.
- 通过逻辑回归来测量和分析AA和ADP诱导的血小板聚合率 (PAR),APACHE II评分评估了长期影响.
主要成果:
- 与幸存者相比,严重的败血症患者具有较高的前素 (PCT),血小板粘附和ADP诱导的PAR (P <0.05),但较低的PLT (P <0.05).
- 后勤回归确定了ADP诱导的PAR作为败血症预后的重要保护因素 (P <0.01).
结论:
- 败血症中的血小板激活会加剧炎症.
- 受ADP诱导的PAR<60%的败血症患者表现出血小板聚合受损和死亡率增加.
- 监测ADP诱导的PAR对于有效的败血症管理和预后评估至关重要.
相关概念视频
Formation of the Platelet Plug
5.9K
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...
5.9K
Structure and Function of Platelets
1.1K
The cell fragments known as platelets are disc-shaped, with an average diameter of about 3 μm and a thickness of roughly 1 μm. They play a crucial role in the body's vascular clotting system, which also involves plasma proteins, blood cells, and blood vessel tissues.
Platelets are continually replenished, circulating in the bloodstream for 9-12 days before being removed by phagocytes, primarily in the spleen. A microliter of circulating blood contains between 150,000 and 450,000...
Platelets are continually replenished, circulating in the bloodstream for 9-12 days before being removed by phagocytes, primarily in the spleen. A microliter of circulating blood contains between 150,000 and 450,000...
1.1K


