Effect of angiotensin receptor blockade on endothelial function: focus on olmesartan medoxomil

Effect of angiotensin receptor blockade on endothelial function: focus on olmesartan medoxomil
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血管紧张素受体阻断对内皮功能的影响:关注奥美沙坦酯

DOI:
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发表时间:
2009
影响因子:
2.9
通讯作者:
C. Ferrario
C. Ferrario
中科院分区:
--
文献类型:
--
作者:
C. Ferrario

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内皮功能障碍是心血管疾病危险因素与导致靶器官损伤的事件级联中最早的事件之间的共同联系。血管紧张素II是肾素-血管紧张素-醛固酮系统的终末升压效应臂,通过血管收缩和钠及液体潴留升高血压(BP),并具有促氧化作用,诱导内皮功能障碍并促进血管重塑。血管紧张素受体阻滞剂(ARB)可降低高血压、心室肥大、糖尿病和肾脏疾病患者的血压、发病率和死亡率。奥美沙坦酯是一种长效、耐受性良好、有效的ARB,可预防或逆转动脉粥样硬化、高血压、糖尿病、肾病和视网膜病变动物模型中的内皮功能障碍。奥美沙坦酯是奥美沙坦的前药,已被批准用于治疗高血压,已显示可改善高血压或糖尿病患者的内皮功能障碍。在随机研究中,该药物减少血管炎症和大的动脉粥样硬化斑块的体积,增加外周循环中再生内皮祖细胞的数量,改善内皮依赖性舒张,并恢复正常的阻力血管形态。重要的是,奥美沙坦酯对内皮功能障碍的影响被认为与血压降低无关。
Endothelial dysfunction is the common link between cardiovascular disease risk factors and the earliest event in the cascade of incidents that results in target organ damage. Angiotensin II, the terminal pressor effector arm of the renin-angiotensin-aldosterone system, increases blood pressure (BP) by vasoconstriction and sodium and fluid retention, and has a pro-oxidative action that induces endothelial dysfunction and contributes to vascular remodeling. Angiotensin receptor blockers (ARBs) reduce BP and morbidity and mortality in patients with hypertension, ventricular hypertrophy, diabetes mellitus, and renal disease. Olmesartan medoxomil is a long-acting, well-tolerated, effective ARB that prevents or reverses endothelial dysfunction in animal models of atherosclerosis, hypertension, diabetes, nephropathy, and retinopathy. Olmesartan medoxomil, a prodrug of olmesartan approved for the treatment of hypertension, has been shown to ameliorate endothelial dysfunction in patients with hypertension or diabetes. In randomized studies, the drug reduces vascular inflammation and the volume of large atherosclerotic plaques, increases the number of regenerative endothelial progenitor cells in the peripheral circulation, improves endothelium-dependent relaxation, and restores the normal resistance vessel morphology. Importantly, the impact of olmesartan medoxomil on endothelial dysfunction is thought to be independent of BP lowering.
血管紧张素-(1-7) 和血管紧张素 II 在转基因高血压大鼠脑中的相反作用。
DOI: 10.1161/01.hyp.25.6.1260
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期刊: Hypertension (Dallas, Tex. : 1979)
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