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Hypertension is one of the most common disease of the cardiovascular system. Important components of a rational antihypertensive therapy are drugs that block the RAAS. The aim of the study was to conduct a comparative evaluation of the effectiveness of blockade of the renin-angiotensin-aldosterone system with drug combinations – aliskiren and amlodipine and combination of ramipril and amlodipine in patients with hypertension and increased body weight. 50 patients with hypertension of stage II, II degree, high and very high risk were involved in the study. Patients were randomized into two groups depending on the received treatment. The first group (25 patients) consisted of patients treated with combined therapy including ramipril and amlodipine, the second group (25 patients) consisted of patients receiving a combination of aliskiren and amlodipine. The control group (25 people) included apparently healthy people. By the 12th week of the study the daily average systolic blood pressure in the first group was 146 (145; 150) mm Hg and 131 (130; 137) mm Hg in the second group, respectively, the daily average diastolic blood pressure was equal to 94 (91; 96) mm Hg in the first group and 81 (80; 82) mm Hg in the second group . By the 12th week of treatment plasma renin levels in the first group was equal to 73 (50; 78) and 15 (14; 27) in the second group, respectively, the level of angiotensin-I in the first group was 6 (4; 7) and 1,4 (1,1; 1,9) in the second group, aldosterone levels in the first group was equal to 134 (132; 145) and 130 (123; 132) in the second group, respectively. It is found that combination of aliskiren and amlodipine have the advantage over the combination of ramipril and amlodipine in achieving of purposeful level of systolic and diastolic blood pressure in patients with hypertension and overweight. The purposeful level of blood pressure reached to 56,6% of patients in group I and 80% of patients in group II to 12th week of the study. Receiving both combinations equally reduces plasma aldosterone levels at the same time receiving a combination of aliskiren and amlodipine accompanied by a decrease in plasma rennin level of 69% and angiotensin-I of 67%, while the combination of ramipril and amlodipine increases of these hormones on 68% and 65% respectively. Thus, using combination of ramipril and amlodipine more effective in patients with low rennin hypertension , patients with normal and high rennin hypertension necessary combination of aliskiren and amlodipine.

ukraïnsʹkij žurnal nefrologìï ta dìalìzu

COMPARATIVE EFFICACY OF BLOCKADE OF THE RENIN-ANGIOTENSIN-ALDOSTERONE SYSTEM WITH COMBINATIONS OF ALISKIREN AND AMLODIPINE, RAMIPRIL AND AMLODIPINE IN PATIENTS WITH ESSENTIAL HYPERTENSION