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  • Title: [The effects of inhibition of converting enzyme by perindopril on renal hemodynamics and natriuresis in essential arterial hypertension].
    Author: Chaignon M, Barrou Z, Ayad M, Guédon J.
    Journal: Arch Mal Coeur Vaiss; 1988 Jun; 81 Spec No():151-4. PubMed ID: 3142399.
    Abstract:
    Renal hemodynamics and natriuresis have been studied before and 6 hours after oral intake of perindopril (8 mg) in 8 hypertensive patients without renal failure. Then, the patients were treated with perindopril (8 mg per day) and renal hemodynamics was repeated on the fifth day, 6 hours after the morning intake of the substance. Sodium diet was controlled during the study (100 mmol sodium per day). Renal blood flow (RBF) and glomerular filtration rate (GFR) were measured by the clearance method using 131I-hippuran and 125I-iothalamate respectively. The results are as follows: (table; see text) Perindopril produced a potent renal vasodilatation after the first intake and the following days without any change in GFR. A significant decrease in FF was observed indicating that efferent as well as afferent arteriolar vasodilatation was induced. Perindopril produced an increase in natriuresis after the first intake and at D5; this natriuretic effect may be related to the changes in renal hemodynamics inducing a decreased sodium reabsorption in the proximal tubule.
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