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  • Title: Blood pressure and metabolic effects of ACTH in normotensive and hypertensive man.
    Author: Whitworth JA, Saines D, Thatcher R, Butkus A, Scoggins BA.
    Journal: Clin Exp Hypertens A; 1983; 5(4):501-22. PubMed ID: 6303639.
    Abstract:
    ACTH administration (0.5 mg Synacthen Depot I/M 12 hourly for 5 days) significantly increased systolic blood pressure in normotensive subjects (n=6) and mild essential hypertensives (n=6) but not in 2 Addisonian women, indicating that the pressure rise was adrenally dependent. ACTH administration was associated with urinary sodium retention, hypokalaemia, elevation of fasting blood glucose, lymphopaenia and eosinopaenia. Body weight was increased only in the normotensive subjects. Plasma renin concentration fell and renin substrate rose. Inactive renin fell in the hypertensive subjects only. Plasma cortisol, 11-deoxycortisol, corticosterone, deoxycorticosterone, 17 alpha-hydroxyprogesterone and 17-hydroxy, 20-dihydroprogesterone were all increased by ACTH treatment. Plasma aldosterone rose initially in the normotensives but then fell. ACTH administration in man produces metabolic and hormonal changes similar to those produced by ACTH in sheep but the rise in blood pressure is systolic only in man. The steroid(s) responsible for the blood pressure rise with ACTH in man have not been defined.
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