Irbesartan improves arterial compliance more than lisinopril

Ali, Khalid, Rajkumar, Chakravarthi, Fantin, Francesco, Schiff, Rebekah and Bulpitt, Christopher J (2009) Irbesartan improves arterial compliance more than lisinopril. Vascular Health and Risk Management, 5 (4). pp. 587-592. ISSN 1178-2048

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Abstract

BACKGROUND

Antihypertensive agents can reduce arterial stiffness. We hypothesized that an angiotensin receptor blocker (ARB) irbesartan and an angiotensin converting enzyme inhibitor (ACEI) lisinopril improved arterial compliance.

METHODS

A randomized, double-blind, double-dummy, controlled crossover trial. Fifteen hypertensive patients, mean age 65.5 +/- 8.9 years (mean +/- SD) were given irbesartan (150 to 300 mg/day) or lisinopril (10 to 20 mg/day) for 12 weeks and then crossed over for 12 weeks. Pulse wave velocity (PWV) in the carotid-femoral (CF), carotid-radial (CR), and femoral dorsalis-pedis (FD) were measured using a Complior((R)) PWV system.

RESULTS

After 12 weeks, systolic blood pressure (SBP) decreased from 162.4 +/- 12.9 to 134.5 +/- 14.8 with irbesartan and to 145.2 +/- 25 mmHg with lisinopril. Irbesartan and lisinopril reduced PWV (CF) in the elastic arterial system from 15.1 +/- 5 to 13.3 +/- 2.6 (p < 0.005) and to 14 +/- 4.7 (p < 0.05) m/s respectively (p = 0.345). Irbesartan reduced PWV (CR) and PWV (FD), whereas lisinopril did not. The difference between treatments was significant after SBP adjustment (p = 0.037 for PWV (CR) and p < 0.001 for PWV (FD)).

CONCLUSIONS

Irbesartan improved arterial compliance in elastic and muscular arteries, whereas lisinopril improved it only in elastic arteries.

Item Type: Article
Schools and Departments: Brighton and Sussex Medical School > Clinical Medicine
Subjects: R Medicine > RC Internal medicine > RC0581 Specialties of internal medicine > RC0952 Geriatrics
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Depositing User: Simone Breckell
Date Deposited: 01 Nov 2012 15:01
Last Modified: 07 May 2013 14:33
URI: http://sro.sussex.ac.uk/id/eprint/41827
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