β-阻滞剂被介绍到临床治疗高血压病已有10多年历史。在这期间经过临床试用已积累大量资料,尽管这些资料还很不一致,但这类药物抗高血压病的疗效已经肯定。目前国外已普遍使用,并获得了使用多种β-阻滞剂的经验,现已证明,β-阻滞剂对轻度.中度和重度高血压病人的卧位和立位收缩压和舒张压都有明显的降低。据报道,在美国大约70％的高血压病患者单独使用心得安即能控制血压;长期应用仍有效,而且比其他降 Beta-blockers have been introduced to clinical treatment of hypertension for more than 10 years. During this period after clinical trials have accumulated a lot of information, although these data are still very inconsistent, but the anti-hypertensive effects of these drugs have been affirmed. At present, it has been widely used abroad and obtained the experience of using a variety of β-blockers. It has been demonstrated that β-blockers exert systolic and diastolic pressure on the supine position and vertical position of mild, moderate and severe hypertensive patients Pressure is significantly reduced. It is reported that about 70% of hypertensive patients in the United States alone use propranolol to control blood pressure; long-term use is still effective, and more than other