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  • Title: Computerized echocardiographic study of left ventricular function and cardiodynamic investigation with a new antihypertensive agent (indenolol).
    Author: Venco A, Groothold G, Grandi A, Barzizza F, Corradi L, Negri F, Finardi G.
    Journal: Clin Ther; 1985; 7(3):347-56. PubMed ID: 3995529.
    Abstract:
    Indenolol hydrochloride is a recently introduced antihypertensive substance. Although it has beta-adrenoceptor blocking activity, its action is due to total peripheral resistance reduction. We investigated the effects of indenolol therapy on left ventricular performance in 15 patients with essential hypertension. Assessments were made using systolic time intervals and computerized echocardiography. The echocardiographic and mechanocardiographic tracings were recorded three times: at the beginning of the trial, after seven days of placebo, and after three weeks of indenolol treatment. The indenolol therapy significantly decreased (P less than 0.001) systolic and diastolic blood pressures and heart rate in all patients, both in supine and standing positions. After three weeks of treatment, systolic time intervals and echocardiographic determinants of left ventricular function were substantially unchanged in comparison with the basal and placebo evaluations. We conclude that indenolol exerted a marked effect on chronotropism but no demonstrable negative effect on inotropism in patients with essential hypertension. No clinical signs of heart failure were recorded. Side effects were absent, and patient compliance was good in all cases.
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