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A comparative studies on the effect of propranolol and acebutolol on blood pressure, cardiac function, blood serum lipids and lipoproteins were carried out in 48 patients with the primary hypertension double-blind method was applied. Tested drugs were given for 12 weeks. It was found, that both drugs are potent and comparable hypotensive agents normalizing blood pressure in the majority of treated patients. No significant difference in the effect on heart rate and adverse reactions has been noted. Acebutolol did not change lipid metabolism parameters whereas propranolol slightly but statistically significantly increased serum triglycerides.

Fourteen male patients with mild hypertension, aged between 20 and 46 years (mean = 32.4 years) measured their arterial blood pressure thrice daily for 6 weeks. Prior to and after this period psychological tests were carried out, including Gough's ACL test and Spielberger's STAI questionnaire. All patients underwent also Kraeplin's test under stress conditions twice during the experiment. It was found that there is significant correlation of personality response syndromes such as: need for acceptance, inferiority complex, need for success, trust to themselves, anger and some values of blood pressure. So-called personality syndrome related to hypertension was established. Psychophysiological picture accompanying emotional stress was discussed and relationship between blood pressure values (prior to and after emotional stress) and personality syndromes were defined.

Indapamide--a non-thiazide diuretic agent--was given to 28 patients with mild and moderate hypertension in a daily dose of 2.5 mg for 12 weeks. Statistically significant decrease in both systolic and diastolic blood pressure and complete normalization of the arterial blood pressure were achieved in 82% of the treated patients. Adverse reactions were mild and transient. However, low but statistically significant decrease in blood serum potassium and changes in the carbohydrate metabolism were seen. No significant effect of the-drug on lipid metabolism was found except the low but statistically significant increase in total cholesterol. Indapamide is an efficient and well tolerated hypotensive agent. However, biochemical indices should be checked up during the treatment due to the potential adverse reactions.