β肾上腺素能阻滞剂单独或作为第一个并骤用于治疗原发性高血压已被肯定。近年来发现β_1—(心脏选择性)受体阻滞剂,如美多心安,对高血压有效,而另一些人对单用利尿剂特别有效。这种不同的治疗反应是与高血压的几种发病机制的概念一致的,有作者推荐分段治疗法,即全部病人先给予小剂量利尿剂,必要吋 Beta-adrenergic blockers, alone or as the first and most commonly used therapy for essential hypertension, have been identified. In recent years, it has been found that beta 1 - (cardioselective) blockers, such as metoprolol, are effective for hypertension while others are particularly effective on mono-diuretics alone. This different response to treatment is consistent with the concept of several pathogenesis of hypertension, which is recommended by the authors for segmental therapy, in which all patients are given small doses of diuretics,