Why the study?
How do the haemodynamic effects and myocardial blood flow impacts of dobutamine compare to dopamine and isoprenaline in patients without cardiac failure?
Population
15 patients without cardiac failure undergoing cardiac catheterisation for suspected coronary disease.
Comparison
Dobutamine given in a lower and a higher dose. vs Dopamine and isoprenaline given in lower and…
Design
Other
Authors
Loading...
Dobutamine's neutral effect on oxygen extraction may guide inotrope selection in non-failing hearts; leaves open prospective validation in contemporary cohorts.
How do the haemodynamic effects and myocardial blood flow impacts of dobutamine compare to dopamine and isoprenaline in patients without cardiac failure?
Dobutamine increases cardiac index and myocardial oxygen consumption without directly affecting coronary vascular tone, unlike isoprenaline (vasodilator) and dopamine (vasoconstrictor).
Stephens et al. (1979) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: