title: Prazosin in the treatment of hypertension.
abstract: 1. Prazosin decreases blood pressure in normotensive, renal hypertensive and spontaneous hypertensive rats. The effect is greatest in the last-named. 2. In spontaneously hypertensive rats the decrease in pressure is associated with a decrease in heart rate. 3. In hypertensive patients prazosin decreases blood pressure by decreasing total peripheral resistance with minor effects on cardiac output. 4. Prazosin is effective in the long-term therapy of hypertensive patients, alone and in combination with a diuretic. The effect on blood pressure is the same in the supine and standing position.
mesh_terms: D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D002302:Cardiac Output / Q000187:drug effects; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D005260:Female; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D006973:Hypertension / Q000188:drug therapy* / Q000235:genetics; D008297:Male; D008750:Methyldopa / Q000627:therapeutic use; D011187:Posture; D011224:Prazosin / Q000627:therapeutic use*; D011799:Quinazolines / Q000627:therapeutic use*; D051381:Rats; D014655:Vascular Resistance / Q000187:drug effects
chemical_list: D011799:Quinazolines; D008750:Methyldopa; D011224:Prazosin