The effects of beta-adrenergic blockade, using oxprenolol, were studied in plasma renin activity, urinary sodium excretion and blood pressure in ten normal subjects and in 120 patients with essential and renovascular hypertension. Blood pressure was reduced by oxprenolol administration. The hypotensive action of the drug was independent of either the basal plasma renin activity or of the plasma renin activity response. Oxprenolol decreased plasma renin activity in normal subjects and in patients with essential hypertension with normal or high basal plasma renin activity. Patients with low plasma renin activity may show a lack of response to the beta-blockade. In patients with renovascular disease the response of plasma renin activity to oxprenolol was not a discriminant factor between patients cured or not cured by surgery. Some renovascular patients were unresponsive to beta-blockade with oxprenolol.

The effect of beta-adrenergic blockade on patterns of urinary sodium excretion, blood pressure and plasma renin activity in patients with essential and renovascular hypertension.

PEDRINELLI, ROBERTO
1977

Abstract

The effects of beta-adrenergic blockade, using oxprenolol, were studied in plasma renin activity, urinary sodium excretion and blood pressure in ten normal subjects and in 120 patients with essential and renovascular hypertension. Blood pressure was reduced by oxprenolol administration. The hypotensive action of the drug was independent of either the basal plasma renin activity or of the plasma renin activity response. Oxprenolol decreased plasma renin activity in normal subjects and in patients with essential hypertension with normal or high basal plasma renin activity. Patients with low plasma renin activity may show a lack of response to the beta-blockade. In patients with renovascular disease the response of plasma renin activity to oxprenolol was not a discriminant factor between patients cured or not cured by surgery. Some renovascular patients were unresponsive to beta-blockade with oxprenolol.
Salvetti, A; Sassano, P; Poli, L; Arzilli, F; Pedrinelli, Roberto
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11568/557
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