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  • Title: [Effect of the alpha-adrenoblocker pyrroxan on systemic hemodynamics in puppies and dogs with vasorenal hypertension].
    Author: Brin VB.
    Journal: Biull Eksp Biol Med; 1978 Jun; 85(6):664-6. PubMed ID: 27262.
    Abstract:
    Vasorenal hypertension was induced in 2--3-month-old puppies and adult dogs by stricture of both renal arteries. 1.5 mg/kg of pyrroxan was injected intravenously 3 and 14 days later. A reduction of increased arterial pressure was noted both in adult dogs and in puppies, to the subnormal level in the latter. Hypotensive effect of the preparation was connected in adult animals with diminution of the general peripheral vascular resistance and in puppies, besides, with reduction of cardiac output. Pyrroxan injection was accompanied in all the animals with tachycardia, reduction of the phase of isometric contraction and activation of myocardial contractility.
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