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Rivista di Angiologia

Official Journal of the International Union of Angiology, the International Union of Phlebology and the Central European Vascular Forum
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International Angiology 2014 February;33(1):78-83


lingua: Inglese

The effect of aliskiren versus ramipril-based treatment on the Ambulatory Arterial Stiffness Index in hypertensive patients

Andreadis E. A., Angelopoulos E. T., Kolyvas G. N., Agaliotis G. D., Mousoulis C. G., Mousoulis G. P.

Third Department of Internal Medicine, Evangelismos General Hospital, Athens, Greece


Aim: Aim of the present study was to compare the effectiveness of two renin-angiotensin-aldosterone system inhibitors in arterial stiffness reduction in previously untreated hypertensive patients.
Methods: In this open label study, 154 naïve, or not treated in the last six months hypertensive patients were randomly assigned to receive aliskiren 300 mg or ramipril 5 mg daily. Six weeks after the initiation of treatment, patients were evaluated for blood pressure (BP) control. Patients with SBP ≥140 and/or DBP ≥90 mmHg were assigned to an adjunct of 25 mg hydrochlorothiazide as combination treatment. A re-evaluation of BP control was done after another 6 weeks. Individuals with BP ≥140/90 mmHg were further administered amlodipine 5 mg. The final evaluation was performed six months after the start of the study. Twenty four-hour ambulatory blood pressure monitoring was carried out and the ambulatory arterial stiffness index (AASI) was calculated at baseline and after 6 months of treatment.
Results: Aliskiren-based therapy, as compared with ramipril-based therapy reduced BP to a similar degree: 13±11 vs. 12±11 mmHg reduction in systolic (P=0.34) and 8±7 vs. 7±7 mmHg reduction in diastolic BP (P=0.44). AASI was reduced by 0.04±0.1 in the aliskiren group and by 0.02±0.2 in the ramipril group. AASI reduction did not differ significantly in the two groups (P=0.13).
Conclusion: In hypertensive patients, aliskiren-based treatment as well as ramipril-based treatment appears to have a beneficial effect on arterial stiffness. As arterial stiffness is an important modifiable risk factor, our findings highlight the value of aliskiren beyond BP lowering properties.

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