近十年来,对充血性心衰的治疗,除采用传统的强心利尿方法之外,还采用了血管扩张剂,以降低外周血管阻力,减轻心脏前、后负荷的办法。一般认为充血性心衰外周血管阻力增高原因有三:(1)交感神经及肾上腺髓质过度活动;(2)血管壁本身张力增 Over the past decade, the treatment of congestive heart failure, in addition to the traditional method of cardiac diuretic, but also the use of vasodilators to reduce peripheral vascular resistance, reduce the heart before and after the load approach. Generally believed that there are three reasons for increased peripheral vascular resistance in congestive heart failure: (1) excessive activity of the sympathetic and adrenal medulla; (2)