论文部分内容阅读
二、治疗方面(一)药物疗法1.β受体阻滞剂β受体阻滞剂广泛用于临床已10余年,它是继硝酸甘油问世以后对心绞痛内科治疗的一项重要进展。目前,对β阻滞剂的作用机理及发掘新药仍在深入研究中。按本剂与内生儿茶酚胺竞争肾上腺素能受体部位的情况,可分为两类:一类是心脏选择性β阻滞剂,能阻滞β_1受体而不影响β_2受体,如氨酰心安和美多心安;另一类是非选择性β阻滞剂,如心得安、噻吗心安和萘羟心安。此类药物的缺点
Second, the treatment (A) drug therapy 1. Beta blockers beta blockers are widely used in clinical practice for more than 10 years, it is after the advent of nitroglycerin on angina pectoris medical treatment is an important progress. At present, the mechanism of β blockers and explore new drugs are still under study. According to this agent and endogenous catecholamines competing adrenergic receptor sites can be divided into two categories: one is the heart-selective beta blockers, can block the beta 1 receptor without affecting the beta 2 receptors, such as aminoacyl Peace of mind and beauty more peace of mind; the other is non-selective beta blockers, such as propranolol, timolol and naphthalene hydroxyxin. Disadvantages of these drugs