通过皮肤进行冠状动脉干预后,D-二聚和纤维素在心房的患者中表明缺血风险
Diona Gjermeni1, Viktoria Anfang1, Sofia Szabó1
1Department of Cardiology and Angiology, University Heart Center Freiburg-Bad Krozingen, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
Thrombosis journal
|May 21, 2024
概括
抗脂抗体 (aPL) 与心房 (AF) 患者皮肤穿冠状动脉干预 (PCI) 后的缺血或出血风险没有相关性. 然而,较高的d-二聚体和纤维素原水平显著预测了不良心血管事件和出血风险.
科学领域:
- 心脏病学 心脏病学
- 血液学 血液学 血液学
- 血栓形成研究研究
背景情况:
- 通过皮肤冠状动脉干预 (PCI) 接受心房动 (AF) 患者面临缺血事件和出血的风险.
- 抗脂抗体 (aPL) 与血栓事件有关,但它们在PCI后AF患者中的作用尚不清楚.
- 传统的凝血标志物可以提供有关这些风险的见解.
研究的目的:
- 调查抗脂抗体 (aPL) 和凝血标志物与缺血和出血风险之间的关联.
- 评估PCI后AF患者中这些标志物的预测值.
主要方法:
- 在PCI后对158名AF患者进行了前性,双中心的观察队列研究.
- 评估了狼抗凝剂 (LA),抗心脏脂素 (aCL) 和抗β2-糖蛋白1 (aβ2GP1) 抗体.
- 测量了纤维素原 (FIB),d-二次体和前列血片段1+2 (PF1+2) 的水平.
- 主要结局:主要不良心血管事件 (MACE) 和6个月大出血.
主要成果:
- aPL的存在与MACE或出血没有显著关联.
- 升高的d-二次数强烈预测了MACE (HR 5.06) 和大出血 (HR 7.04) 的更高风险.
- 升高的d-二次数改善了大出血的HAS-BLED得分的预测能力 (AUC 0.79).
- 增加的FIB水平与更高的MACE风险 (HR 3.65) 有关.
结论:
- 抗脂抗体 (aPL) 似乎不是PCI后AF患者缺血或出血事件的重要危险因素.
- 凝血生物标志物,特别是d-二聚合物和纤维原体,在评估这种患者群体中的血栓和出血风险方面表现有前途.
- 这些发现表明,传统的凝血标志物可能比aPL在接受PCI的AF患者的风险分层方面更具有临床意义.
相关概念视频
Anticoagulant Drugs: Low-Molecular-Weight Heparins
681
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...
681
Blood Studies for Cardiovascular System I: Cardiac Biomarkers
138
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...
138
Clot Retraction and Fibrinolysis
5.5K
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.
5.5K
Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
77
Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
77


