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  • Title: Vascular effects of perindopril: from experimental to clinical investigation.
    Author: Scalbert E, Levy B, Desche P, Devissaguet M, Safar ME.
    Journal: J Cardiovasc Pharmacol; 1991; 18 Suppl 7():S25-32. PubMed ID: 1725197.
    Abstract:
    Vascular remodeling is central to the pathophysiology of hypertension and atherosclerosis. The effects of antihypertensive drugs on this process are important to consider from a mechanistic and a pathogenetic point of view in relation to vascular complications of hypertension, e.g., decrease in vascular reserves, shift in cerebral blood flow autoregulation and atherosclerosis development. There is now evidence that, in addition to several other growth factors, vasoactive peptides such as angiotensin II may act as vascular smooth muscle growth promoting substances. Based on these data, the effects of perindopril, a potent and long-lasting angiotensin-converting enzyme (ACE) inhibitor, on structural and mechanical properties of the arterial wall, have been studied in animal models of hypertension as well as in humans. Perindopril completely reversed aortic medial hypertrophy and arterial stiffening observed in renovascular hypertensive rats. Similar benefits were reported in mesenteric resistance vessels of spontaneously hypertensive rats. The effect of perindopril was totally in keeping with potent inhibition of vascular ACE and emphasized the potential role of angiotensin II as a vascular growth modulator. Clinical studies confirmed animal experiments; both suggest that increases in arterial compliance and distensibility following perindopril is likely to be related to drug-induced modification of the arterial wall, at least partially independently of blood pressure reduction. The increase in arterial compliance was associated with a selective decrease in pulse pressure, a finding that is important, not only for the arterial wall, but also for the structure and function of the hypertensive heart.
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