相关实验视频
Updated: May 20, 2025

Ferric Chloride-induced Murine Thrombosis Models
Published on: September 5, 2016
周围动脉疾病中的抗血小板剂:一篇评论
Lauren Coritt1, Oghenemega Okoloko2, William H Frishman2
1From the Department of Medicine, Westchester Medical Center, Valhalla, NY.
对于周围动脉疾病 (PAD) 的双重抗血小板治疗 (DAPT) 显示了不确定的益处. 新的指导方针建议低剂量里瓦罗克萨班加上阿司匹林用于特定的PAD患者,为DAPT提供了潜在的替代方案.
科学领域:
- 心血管医学 心血管医学
- 血管外科 血管外科
- 药理学 药理学是指药理学的学科.
背景情况:
- 周围动脉疾病 (PAD) 很常见,增加了心血管风险,四肢并发症和死亡率.
- 双抗血小板治疗 (DAPT) 在PAD患者,特别是那些没有再血管化的患者的疗效尚未完全确立.
- 以前的试验,如CAPRIE和CHANCE,在DAPT的有效性方面产生了不同的结果.
研究的目的:
- 审查和比较当前关于双抗血小板治疗 (DAPT) 与外围动脉疾病 (PAD) 管理中的双抑制治疗的证据.
- 讨论最近的试验,COMPASS和VOYAGER对PAD治疗指南的影响.
- 评估低剂量里瓦罗克萨班与阿司匹林在特定PAD患者群体中的作用.
主要方法:
- 对具有里程碑意义的临床试验进行审查,包括CAPRIE,CHANCE,COMPASS和VOYAGER.
- 美国心脏病学院和美国心脏协会指南的分析.
- 双重抗血小板治疗与双重抑制治疗策略的比较讨论.
主要成果:
- 在一项试验 (CAPRIE) 中,克洛皮多格勒在减少缺血事件方面表现出比阿司匹林更优越.
- 另一项试验 (CHANCE) 发现DAPT与单独的阿司匹林没有显著的益处.
- COMPASS和VOYAGER试验导致了新的指导方针,建议对某些PAD患者服用低剂量里瓦洛克萨班加上阿司匹林.
结论:
- 针对PAD的最佳抗血小板策略仍在研究中,证据不断演变.
- 现在根据最近的试验数据,针对特定的PAD患者群体推低剂量里瓦罗克萨班加阿司匹林.
- 需要进一步的研究来澄清不同抗血栓治疗的长期益处和风险.
相关概念视频
Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists
These agonists bind to the IPR receptor situated on the plasma membrane of the pulmonary artery smooth muscle cells. This binding triggers a cascade of reactions known as the GS-AC-cAMP-PKA pathway. This pathway results in the relaxation of smooth muscle...
Anticoagulant Drugs: Low-Molecular-Weight Heparins
Formation of the Platelet Plug
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...
Antianginal Drugs: Calcium Channel Blockers and Ranolazine
CCBs, a diverse class that includes dihydropyridines (nifedipine) and diphenylalkylamines (verapamil and diltiazem), exert their effect by blocking calcium channels in cardiac and smooth muscle cells. This...
Treatment for Pulmonary Arterial Hypertension: Receptor Tyrosine Kinase Inhibitors and Calcium Channel Blockers
TKIs, such as imatinib (Gleevec), are particularly effective in tackling the growth and mitogenic factors that become upregulated in PAH patients. These factors contribute to the...

