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在冠状动脉支架后,abciximab可以减轻冠状动脉微血管内皮功能障碍
Eve D Aymong1, Michael J Curtis, Mostafa Youssef
1Cardiovascular Division, Department of Medicine, University of Calgary, Alberta, Canada.
Circulation
|June 26, 2002
概括
在支架后,abciximab保留了冠状动脉对乙胆的血流反应,这表明它保护了微血管内皮功能,并解释了其在皮肤穿透冠状动脉干预 (PCI) 中的临床益处.
科学领域:
- 心血管医学 心血管医学
- 干预心脏病学 干预心脏病学
- 药理学 药理学是指药理学的学科.
背景情况:
- 使用abciximab阻断血小板糖蛋白IIb/IIIa受体可以减少皮肤穿刺冠状动脉干预 (PCI) 后的缺血事件.
- 阿布西西马布 (abciximab) 的益处背后的确切机制,特别是关于内皮功能,仍然不清楚.
- 这项研究调查了abciximab在冠状动脉支架后对内皮依赖血管运动的影响.
研究的目的:
- 在冠状动脉支架后评估内皮依赖血管运动.
- 为了确定abciximab是否会改变静脉内皮对造后刺激的反应.
- 阐明abciximab在PCI中获益的机制.
主要方法:
- 研究了48名接受支架 (单独或与abciximab) 和31名对照患者的患者.
- 在PCI后使用多普勒导线测量冠状动脉血流 (CBF).
- 使用乙胆 (Ach) 和腺的冠心内注射来评估血管运动反应.
主要成果:
- 与对照人群相比,在支架后,ACh介导的CBF增加受损 (41%对70%).
- 阿布西西马布组在支架后 (83%) 与单独支架 (41%) 相比,对Ach的CBF反应更好.
- 阿布西西马布的使用是一个强有力的预测器,可以预测CBF对Ach的反应.
结论:
- 在冠状动脉支架后,Abciximab保留了乙胆介导的冠状动脉血流反应.
- 这种微血管内皮功能的保存可能有助于abciximab在PCI中的临床疗效.
- 阿布西西马布对内皮功能的保护作用为减少缺血事件提供了潜在的解释.
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