DIURETICS AND THE TREATMENT OF SYSTEMIC HYPERTENSION

被引:5
作者
ARANDA, P
DENOVALES, EL
机构
[1] Hypertension Unit, Regional Hospital, Malaga
关键词
D O I
10.1016/0002-9149(90)90348-5
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Diuretics are still among the most frequently used antihypertensive drugs in the treatment of hypertension. Their pharmacologic and hemodynamic properties are based on the water and salt metabolism in the pathophysiology of high blood pressure. Initially, there is a reduction of plasma and extracellular fluid volume; cardiac output also decreases. After this early phase, cardiac output returns to normal with an accompanying decrease in peripheral resistance so as to correct the underlying hemodynamic fault of the hypertensive state. Diuretics have a high therapeutic efficacy either as monotherapy or in combination with β blockers, angiotensin-converting enzyme inhibitors or calcium antagonists. The main problem with the use of diuretics is related to their metabolic side effects, which are dose-related. Currently, there is a tendency to administer low-dose diuretics, which result in fewer clinical and metabolic side effects, but with a continued antihypertensive efficacy. Therefore, low doses of diuretics can be recommended as initial therapy in the stepped-care approach of hypertension. © 1990.
引用
收藏
页码:H72 / H76
页数:5
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