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七十年代以前对心力衰竭(下称心衰)的治疗,主要应用强心药和利尿剂。近10年来采用血管扩张剂,它通过对心衰病人的阻力血管和容量血管的直接或间接扩张作用,有效地减轻心脏前、后负荷,改善心功能和增加心排血量。常用血管扩张剂按其作用部位可分为三类:一是生要作用于小静脉的药物,如硝酸甘油、硝酸异山梨醇(消心痛)等;二是主要作用于小动脉的药物,如
Seventies before the heart failure (hereinafter referred to as heart failure) treatment, the main application of cardiac and diuretics. In the past 10 years, vasodilators have been used to reduce anterior and posterior cardiac load, improve cardiac function and increase cardiac output effectively by directly or indirectly expanding the resistance and capacity vessels of heart failure patients. Commonly used vasodilators according to their role in the site can be divided into three categories: First, the role of Health to a small vein of drugs, such as nitroglycerin, isosorbide dinitrate (Xiao Hua Tong); Second, the main role in arterioles drugs, such as