Cardiorenal protection in experimental hypertension with renal failure: comparison between vasopeptidase inhibition and angiotensin receptor blockade.
2015
AbstractObjective: The aim of the present study was to compare the preventive impact of treatment with a vasopeptidase inhibitor (VPI) with an angiotensin-receptor blocker (ARB) on left ventricular (LV) function and renal damage in rats with renal failure after 5/6 renal ablation (Nx).Methods: Rats (n = 15–20, each group) underwent either sham-operation (Sham) or 5/6 renal ablation (Nx). Two additional groups of Nx-animals (groups Nx-VPI and Nx-ARB) were treated with the VPI ilepatril (AVE7688, 30 mg kg−1 d−1) or with the ARB olmesartan (10 mg kg−1 d−1). Animals were followed for 4 weeks.Results: Systolic blood pressure (SBP), LV hypertrophy (LVH) and LV end-diastolic pressure (LVEDP) were increased 4 weeks after Nx (p < 0.05). LV pressure rise (+dP/dt/LVPmax), LV pressure fall (−dP/dt/LVPmax), and creatinine clearance decreased, while albuminuria and renal glomerulosclerosis index (GSI) increased with Nx (p < 0.05, respectively). In comparison to Nx, treatment with both VPI and ARB normalized SBP, LVH, L...
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