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Cardiovascular effects of several imipramine analogs were investigated in the anesthetized mongrel dogs. Significant reduction in the cardiac output produced by lower doses (2.5 mg/kg, i.v.) of imipramine and 2-OH-DMI was not due to a depression of myocardial contractility. In contrast, 2-OH-imipramine (1.25 mg/kg) and DMI (2.5 mg/kg) significantly reduced(More)
I.v. infusion of dopamine (10 microgram/kg/min) caused significant attenuation of renal vasoconstrictor responses to sympathetic nerve stimulation in pentobarbital-anesthetized dogs, whereas renal vasoconstrictor responses to exogenously administered norepinephrine were unaffected. Desipramine treatment significantly potentiated the inhibitory effect of(More)