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Hypertension, Vol 7, 182-186, Copyright © 1985 by American Heart Association

ARTICLES

Postprandial hyperinsulinemia in patients with mild essential hypertension

P Singer, W Godicke, S Voigt, I Hajdu and M Weiss

Glucose tolerance tests and diurnal profiles of glucose, insulin, free fatty acids, serum triglycerides, total and high-density lipoprotein cholesterol levels were performed in 8 male patients with mild essential hypertension as well as in 20 normotensive subjects. Although glucose tolerance and postprandial glucose levels appeared equal in both groups, the insulin response after a glucose load and after each meal was significantly increased in hypertensive subjects as compared with the controls (p less than 0.01). The levels of free fatty acids were higher in the postabsorptive phase of patients with hypertension in comparison to normotensive subjects, but decreased markedly when plasma insulin levels rose after meals. In both subject groups serum triglyceride levels showed the typical postprandial increase. Total and high-density lipoprotein cholesterol levels showed neither diurnal variations nor differences between hypertensive subjects and normotensive controls. Postprandial hyperinsulinemia in patients with mild essential hypertension possibly may provoke lipid accumulation in the arterial wall and therefore may be a relevant risk factor for atherosclerosis in these subjects.

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