نتایج جستجو برای: methyldopa
تعداد نتایج: 1541 فیلتر نتایج به سال:
Direct measurements of arterial pressure, stroke volume (SV), and cardiac output (CO) were obtained in ether-anesthetized rats with established spontaneous hypertension (SHR) treated with alpha-methyldopa and compared to both untreated hypertensive and normotensive Wistar-Kyoto (WKY) rats. Left ventricular pumping ability was determined by the maximum levels of SV and CO reached during rapid in...
Methyldopa is a catecholamine used as an antihypertensive agent. The purpose of this study was to evaluate the effect of a week treatment of a bi-daily dosage of αmethyldopa on the sympathetic nervous system of healthy volunteers as measured by four different techniques; (QT interval, heart rate variability (HRV), skin conductance and salivary cortisol). All volunteers received either 250mg α-m...
We studied the effect of 3-O-methyl-methyldopa (OMMD), the 3-O-methylated metabolite of the antihypertensive drug methyldopa (alpha-methyldopa, AMD), on blood pressure in the spontaneously hypertensive rat. OMMD lowered blood pressure in a dose-related manner when given orally or intraperitoneally. Its action lasted longer than that of AMD, and daily oral administration produced a cumulative fa...
The trial of the European Working Party on High blood pressure in the Elderly (EWPHE) revealed an overall decrease in cardiovascular mortality and morbidity in the actively treated patients. They received as first-line drugs a combination of hydrochlorothiazide and triamterene; methyldopa was added as necessary. The present post hoc analysis examined the effect of the diuretic treatment on card...
1. Wistar-Kyoto and spontaneously hypertensive rats were given either methyldopa (400 mg day-1 kg-1) or clonidine (0.1 or 0.3 mg day-1 kg-1) for 3 weeks commencing at 20 weeks of age. 2. Both drugs significantly decreased mean arterial pressure in spontaneously hypertensive but not Wistar-Kyoto rats. Heart rate was significantly increased in spontaneously hypertensive rats by methyldopa, wherea...
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