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  • Title: [Plasma renin activity and plasma aldosterone in essential hypertension: effect of age and diastolic blood pressure].
    Author: Vetter H, Alasso I, Appenheimer M, Weiand H, Stelkens H, Lucas R, Glänzer K, Witassek F, Stumpe KO, Trübestein G, Krück F.
    Journal: Schweiz Med Wochenschr; 1976 Dec 04; 106(49):1729-32. PubMed ID: 1013695.
    Abstract:
    In patients with essential hypertension a gradual decrease in basal and stimulated renin secretion was found with increasing age. Stimulated plasma aldosterone decreased similarly; however, the observed changes were less pronounced. Young patients (less than 35 years) with high renin hypertension had lower diastolic blood pressure than patients with low renin hypertension in the same age group. Contrary to these findings, a markedly higher diastolic blood pressure was observed in patients over 35 years of age with high renin hypertension than in the group of patients with low renin hypertension. These results indicate that neither high nor low renin essential hypertension patients represent homogeneous groups. Furthermore, the dissociation between changes in renin activity and plasma aldosterone points to a disturbed relationship between the renin angiotensin system and aldosterone secretion in essential hypertension.
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