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多巴酚丁胺(dobutamine)与多巴胺都属儿茶酚胺,前者的作用部位主要在心脏,对 外周血管的作用较小。实验表明,多巴酚丁胺具有正性肌力作用但不增加心率,也不致诱发心律失常,因此它治疗伴有心衰和冠脉疾病的低心输出量综合症病人可优于多巴胺,尽管两药均有产生心脏缺血的潜在危险。Ueda等(1977)提示,多巴酚丁胺对小猎犬右室的正性肌力作用较多巴胺为强。在左侧冠
Dobutamine (dobutamine) and dopamine are catecholamines, the role of the former mainly in the heart, the role of the peripheral vessels smaller. Experiments have shown that dobutamine has positive inotropic effects but does not increase heart rate and does not induce arrhythmias and therefore it may be superior to dopamine in the treatment of patients with low cardiac output syndrome associated with heart failure and coronary artery disease despite Both drugs have the potential to cause heart ischemia. Ueda et al. (1977) suggested that dobutamine is more potent in positive inotropic action on beagle dogs than on dopamine. Crown on the left