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高血压病是中老年人的多发病、常见病,与人体植物神经和体液内分泌调节功能紊乱有关。引起动脉血压升高的直接病理改变是小动脉的收缩或动脉壁增厚硬化,以致血管外周阻力增加。各种抗高血压药物通过不同方式影响这一病理过程,发挥降血压作用。根据抗高血压药物的不同作用机理,临床常用有以下几类。 利尿降压药 常用双氢克尿噻,通过利尿排钠作用,缓解血管平
Hypertension is a frequently-occurring disease in the elderly, common diseases, and the human autonomic and humoral endocrine regulation dysfunction. The direct pathological changes that cause elevated arterial pressure are the contraction of the arterioles or the thickening of the arterial wall, resulting in increased peripheral vascular resistance. A variety of antihypertensive drugs affect this pathological process in different ways and exert their antihypertensive effect. According to the different mechanism of antihypertensive drugs, the following categories are commonly used in clinical practice. Diuretic antihypertensive drugs commonly used hydrochlorothiazide urinary thiazide, sodium diuretic effect, ease vascular flat