洋地黄糖甙类治疗心力衰竭已沿用一百余年,迄今在治疗非梗阻性快速心率的低排性心衰病人,仍不失为有效药物.近十余年来应用血管扩张剂治疗心衰,其效应有较明显的改善与提高,但对慢性心衰的长期生存率并未发生根本改变,按纽约心脏协会标准,Ⅲ级以上心衰的二年生存率,至今仍不过50%左右。各种血管扩张剂对急性心衰或慢性心衰的急性发作,其短期血液动力学效应是显著的,但大部分不能获得长期效应,其中如硝普钢、酚妥 Digitalis glycosides treatment of heart failure has been used for more than a hundred years, so far in the treatment of patients with non-obstructive fast heart rate of low-rank heart failure, is still an effective drug for more than a decade of vasodilator treatment of heart failure, its The effect has been significantly improved and improved, but the long-term survival of chronic heart failure has not changed fundamentally, according to the New York Heart Association standards, two-year survival rate of grade Ⅲ heart failure is still less than 50%. A variety of vasodilators acute acute heart failure or chronic heart failure, the short-term hemodynamic effects are significant, but most can not get long-term effects, including nitroprusside, phenytoin