达丁类药物对高负荷剂量的克洛皮多格瑞尔对血小板抑制的影响
Iris Müller1, Felicitas Besta, Christian Schulz
1Medizinische Klinik, Klinikum rechts der Isar und Deutsches Herzzentrum, Technische Universität München, Germany.
Circulation
|October 22, 2003
概括
高剂量的克洛皮多格雷尔 (600毫克) 结合他类药物并没有抑制抗血小板作用. 这项研究发现,他类药物和克洛皮多格雷尔之间没有显著的相互作用,确保了有效的血小板抑制.
科学领域:
- 心血管药理学心血管药理学
- 血小板聚合研究研究.
背景情况:
- 有关他-HMG-CoA减小酶抑制剂可能降低克洛皮多格雷尔抗血小板功效存在担忧.
- 对接受双重抗血小板治疗的患者来说,调查他-克洛皮多格雷尔相互作用至关重要.
研究的目的:
- 评估各种他类药物对高负荷克洛皮多格雷尔剂量的抗血小板活性的影响.
- 为了确定他类药物的使用是否会影响克洛皮多格雷尔抑制血小板聚合的能力.
主要方法:
- 一项随机研究涉及77名患有稳定性胸痛的患者,正在接受冠状动脉支架.
- 患者接受了几个类药物之一 (阿托瓦斯塔丁,弗卢瓦斯塔丁,洛瓦斯塔丁,普拉瓦斯塔丁,西姆瓦斯塔丁,塞里瓦斯塔丁) 或安慰剂,以及阿司匹林和600毫克克洛皮多格雷尔加载剂量.
- 腺二酸盐 (ADP) 诱导的血小板聚合在基线和克洛皮多格雷尔给药后2小时和4小时被测量.
主要成果:
- 没有一个测试的他类药物显示出对克洛皮多格雷尔诱导的血小板聚合抑制有显著影响.
- 在所有他类药物组和安慰剂组中,血小板聚合仍然有效抑制.
结论:
- 与高负荷剂量的克洛皮多格雷尔 (600毫克) 同时服用他类药物并不会显著降低克洛皮多格雷尔的抗血小板活性.
- 这一发现表明,这些常见的心血管药物的同时使用是安全的.
相关概念视频
Anticoagulant Drugs: Low-Molecular-Weight Heparins
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...
Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors
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...
Lipid-Lowering Drugs: Statins and Miscellaneous Agents
Hyperlipidemia, a medical condition often referred to as high cholesterol, is characterized by abnormally elevated levels of lipids in the bloodstream. When present in excess, these lipids, specifically cholesterol and triglycerides, can lead to serious health complications, often involving cardiovascular diseases. Illnesses like atherosclerosis, heart attacks, and pancreatitis have all been linked to untreated hyperlipidemia. This means controlling and regulating cholesterol and triglyceride...
Formation of the Platelet Plug
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...
Coronary Artery Disease V: Interprofessional Care
Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
Peripheral Artery Disease III: Interprofessional Care
Peripheral Artery Disease (PAD) is characterized by narrowed arteries that diminish blood flow to the extremities. Effective management of PAD requires an interprofessional approach involving various healthcare professionals. The critical aspects of interprofessional care for PAD patients focus on risk factor modification, drug therapy, exercise therapy, nutrition therapy, critical limb ischemia care, and interventional radiology and surgical procedures.The primary treatment goal for PAD...


