アスピリンの血小板機能に対する投与量によるアスピリンの影響の評価:アスピリン誘発血小板効果 (ASPECT) 研究の結果

Paul A Gurbel1, Kevin P Bliden, Joseph DiChiara

  • 1Sinai Center for Thrombosis Research, Hoffberger Bldg, Suite 56, 2401 W. Belvedere Ave, Baltimore, MD 21215, USA. pgurbel@lifebridgehealth.org

Circulation
|June 15, 2007
PubMed
まとめ

アスピリンは,冠動脈疾患の患者で,すべての用量で血小板機能を効果的に抑制します. しかし,アスピリン耐性は測定によって変化し,潜在的な非サイクロオキシゲネーゼ-1経路を示唆しています.

関連する概念動画

Time Course of Drug Effect01:14

Time Course of Drug Effect

The progression of a drug's impact can be analyzed by examining both the concentration-time course and the effect-time course. The concentration-time course is determined by the drug's half-life and is influenced by factors such as its pharmacokinetics, including absorption, distribution, metabolism, and elimination. The effect of the drug is often related to its concentration in the plasma and is calculated using the maximum drug effect and the plasma concentration that generates 50 percent of...
Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors01:20

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...
Formation of the Platelet Plug01:22

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...