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Cardiac Stress Test Induced by Dobutamine and Monitored by Cardiac Catheterization in Mice
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Neonatal hypotension: dopamine or dobutamine?

Samir Gupta1, Steven M Donn2

  • 1Department of Paediatrics, University Hospital of North Tees and University of Durham, Stockton-on-Tees, UK.

Seminars in Fetal & Neonatal Medicine
|October 9, 2013
PubMed
Summary

Assessing infant heart function with bedside tools like echocardiography is key for inotropic therapy. Dopamine and dobutamine show similar efficacy, but dobutamine may benefit infants with immature hearts. Hydrocortisone aids escalating inotrope doses.

Keywords:
CirculationDobutamineDopamineHypotensionInotropeNewborn

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Area of Science:

  • Neonatal cardiology
  • Pediatric critical care
  • Pharmacology

Background:

  • Debate exists regarding the assessment of perfusion and hypotension, particularly blood pressure.
  • There is increasing consensus on evaluating cardiac function for inotropic therapy selection.
  • Bedside tools like echocardiography are recommended for assessing at-risk infants.

Purpose of the Study:

  • To review current practices and evidence regarding inotropic therapy in neonates and infants.
  • To compare the efficacy of commonly used inotropes such as dopamine and dobutamine.
  • To explore the role of adjunctive therapies like hydrocortisone.

Main Methods:

  • Literature review of studies on inotropic agents and hemodynamic assessment in infants.
  • Comparative analysis of dopamine and dobutamine efficacy.
  • Examination of evidence for hydrocortisone use in conjunction with inotropes.

Main Results:

  • Dopamine and dobutamine demonstrate comparable efficacy in most cases.
  • Dobutamine may offer advantages in specific conditions affecting the immature myocardium.
  • Concomitant use of hydrocortisone is beneficial when increasing doses of first-line inotropes.

Conclusions:

  • Echocardiography is a valuable bedside tool for guiding inotropic therapy in infants.
  • Dobutamine presents potential benefits for infants with immature cardiac function.
  • Hydrocortisone can be a useful adjunct when escalating inotropic support.
  • Further randomized trials are needed to establish the safety and efficacy of other inotropes.