Comparative haemodynamic and metabolic effects of vasodilator and inotropic agents in experimental myocardial infarction

Joseph A. Franciosa, Aldo V. Notargiacomo, Jay N. Cohn

Research output: Contribution to journalReview articlepeer-review

11 Scopus citations

Abstract

Summary: Following coronary embolisation and onset of left ventricular failure 27 awake dogs were randomly assigned to infusion of saline (controls), nitroprusside, or dobutamine (a new inotropic agent). Nitroprusside and dobutamine both increased cardiac output and lowered left ventricular filling pressure while raising coronary sinus flow. Dobutamine, however, increased myocardial oxygen consumption whereas nitroprusside reduced it. Therefore vasodilators may be more beneficial than inotropic agents in acute myocardial infarction.

Original languageEnglish (US)
Pages (from-to)294-302
Number of pages9
JournalCardiovascular Research
Volume12
Issue number5
DOIs
StatePublished - May 1978

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