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  • Title: Hypertension and atherosclerosis in cholesterol-fed rabbits. Part 1. Mild, two-kidney, one-clip Goldblatt hypertension treated with enalapril.
    Author: Overturf M, Sybers H, Schaper J, Taegtmeyer H.
    Journal: Atherosclerosis; 1986 Mar; 59(3):283-99. PubMed ID: 3008772.
    Abstract:
    Ten groups of New Zealand white rabbits were used to study the effects of mild, chronic two-kidney, one-clip hypertension (HT) and long-term antihypertensive therapy on atherogenesis. Five groups were fed a normal diet (ND) over the 8-month study period; 2 groups, one of which was given enalapril, remained normotensive (NT) throughout the study. Of the 3 HT groups, one was hypertensive for 7 months; the blood pressures of the other groups were normalized after 2 months with enalapril, or by removal of the clipped kidney. The other 5 groups were similar except that they were fed at 0.1% cholesterol diet (CD). The results showed that: neither mild chronic HT nor abrupt, short-term HT exacerbated atherogenesis in the CD-animals; although fibromuscular vascular lesions were present in the aorta of normal-diet, HT animals no atheroma was observed; enalapril therapy had no effect on atherogenesis; enalapril therapy reduced the total weight and the cholesterol and triglyceride content of the aorta of the ND groups regardless of blood pressure history; the aortic triglyceride content, but not the cholesterol content, of the CD group, was reduced by enalapril; and although heart size was unaffected by either diet or blood pressure levels, the mitochondria volume per unit volume of the left ventricle was reduced in both NT-ND and HT-CD groups treated with enalapril.
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