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Randomized trial comparing dopamine and dobutamine in preterm infants
1Department of Child Health, King's College Hospital, London, United Kingdom.
European Journal of Pediatrics
|November 1, 1993
Summary
Dopamine infusion is more effective than dobutamine for treating low blood pressure (BP) in preterm neonates. This study found dopamine significantly increased systolic BP compared to dobutamine in this vulnerable population.
Area of Science:
- Neonatal Medicine
- Pediatric Cardiology
- Pharmacology
Background:
- Preterm neonates often experience hypotension (low blood pressure).
- Inotropic agents are used to manage low BP in neonates.
- Dopamine and dobutamine are common inotropic infusions.
Purpose of the Study:
- To compare the efficacy of dopamine versus dobutamine infusions.
- To evaluate treatment for low blood pressure in preterm infants.
Main Methods:
- A randomized trial involving 40 preterm neonates with systolic BP < 40 mmHg.
- Infants received either dopamine or dobutamine infusions.
- Infusion rates were adjusted from 5 to 15 micrograms/kg/min over 3 hours.
Main Results:
- Dopamine infusion resulted in significantly higher systolic BP compared to dobutamine.
- More infants receiving dopamine achieved a systolic BP > 40 mmHg.
- No significant differences in infusion rates between the two groups were observed.
Conclusions:
- Dopamine infusion is more efficacious than dobutamine for improving blood pressure in preterm neonates.
- Dopamine may be a preferred choice for managing hypotension in this population.