首页> 美国卫生研究院文献>British Journal of Pharmacology and Chemotherapy >In vivo pharmacological studies with SKF 94836 a potent inotrope/vasodilator with a sustained duration of action.
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In vivo pharmacological studies with SKF 94836 a potent inotrope/vasodilator with a sustained duration of action.

机译:使用SK&F 94836的体内药理学研究SK&F 94836是一种有效的持续时间持续时间长的药物/扩张剂。

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摘要

1. SK&F 94836 (racemate) was studied in vivo for its cardiovascular properties in cats and dogs. 2. In anaesthetized cats and dogs SK&F 94836 administered intravenously caused increases in left ventricular contractility and decreases in peripheral vascular resistance at similar doses, thus demonstrating the compound to be a mixed acting positive inotropic/vasodilator agent. 3. In conscious instrumented dogs SK&F 94836 was active via the oral as well as intravenous route. 4. The inodilator activity of SK&F 94836 in conscious and anaesthetized animals occurred in association with minimal changes in either blood pressure or heart rate. 5. Detailed studies carried out on anaesthetized cats indicated that SK&F 94836 caused a balanced dilatation of both resistance and capacitance blood vessels. 6. Haemodynamic studies in anaesthetized cats indicated that as a consequence of the inotropic/vasodilator actions, SK&F 94836 caused significant increases in cardiac output and stroke volume. 7. Detailed studies in anaesthetized dogs indicated that significant inodilator activity occurred in the absence of an increase in myocardial oxygen consumption. 8. The duration of action of SK&F 94836 was sustained following both i.v. and oral administration. 9. We conclude that SK&F 94836, as an orally active inotropic/vasodilator agent with a sustained duration in vivo, has potential utility in the treatment of congestive heart failure.
机译:1.对SK&F 94836(外消旋体)在猫和狗中的心血管特性进行了体内研究。 2.在静脉内施用麻醉的猫和狗中,SK&F 94836在相似剂量下导致左心室收缩力增加和外周血管阻力降低,因此证明该化合物为正性正性肌力扩张剂/血管扩张剂。 3.在有意识的狗狗中,SK&F 94836通过口服和静脉内途径起作用。 4. SK&F 94836在清醒和麻醉动物中的扩张剂活性与血压或心率的最小变化有关。 5.对麻醉猫进行的详细研究表明,SK&F 94836引起了阻力血管和电容血管的平衡扩张。 6.对麻醉猫的血液动力学研究表明,由于正性肌力/扩张血管的作用,SK&F 94836导致心输出量和中风量显着增加。 7.对麻醉犬的详细研究表明,在不增加心肌耗氧量的情况下,发生了明显的扩张剂活性。 8.两次i.v.之后,SK&F 94836的行动持续了持续时间。和口服。 9.我们得出的结论是,SK&F 94836作为一种口服活性的正性肌力药物/血管扩张药,在体内具有持续的持续时间,在治疗充血性心力衰竭中具有潜在的实用性。

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