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Early or late parenteral nutrition for the sick preterm infant?
K G Brownlee1, E J Kelly, P C Ng
1St James's University Hospital, Academic Unit of Paediatrics and Child Health, Leeds.
Insights
Early or late intravenous lipid-containing parenteral nutrition did not significantly impact ventilation duration in premature infants. This study addresses the dilemma of optimizing nutrition while minimizing risks like bronchopulmonary dysplasia in neonatal intensive care.
Area of Science:
- Neonatology
- Pediatric Nutrition
- Respiratory Medicine
Background:
- Good nutrition is crucial in neonatal intensive care, often requiring intravenous lipids.
- A dilemma exists regarding the role of nutrition in bronchopulmonary dysplasia (BPD), with suggestions that both inadequate nutrition and intravenous fat use may worsen the condition.
Purpose of the Study:
- To investigate the impact of early versus late initiation of lipid-containing parenteral nutrition on outcomes in low birth weight infants.
- To reduce uncertainty surrounding the optimal timing of intravenous fat administration in neonates.
Main Methods:
- A randomized controlled trial involving 129 infants with birth weights under 1750 g.
- Infants were allocated to receive either early or late lipid-containing parenteral nutrition.
- The primary outcome assessed was the duration of mechanical ventilation support.
Main Results:
- The median duration of ventilation support was 8.5 days for the early lipid group and 8 days for the late lipid group.
- There was no statistically significant difference in ventilation duration between the two groups.
- This suggests that the timing of initiating intravenous lipids may not substantially affect respiratory support needs.
Conclusions:
- Initiating lipid-containing parenteral nutrition early or late in low birth weight infants did not significantly alter the duration of mechanical ventilation.
- Further research is needed to fully elucidate the complex relationship between parenteral nutrition and bronchopulmonary dysplasia in neonates.
Abstract:
No one doubts that good nutrition is an important component of neonatal intensive care, nor that this can only be accomplished by the use of intravenous fat. With regard to the effects of nutrition on bronchopulmonary dysplasia, however, we are facing a dilemma. On the one hand there is the suggestion that inadequate nutrition increases the severity of bronchopulmonary dysplasia and on the other that the use of intravenous fat predisposes to it. In an attempt to narrow the area of uncertainty we randomly allocated 129 infants of less than 1750 g birth weight to receive either early or late lipid containing parenteral nutrition. The median duration of ventilation support in the 'early' group was 8.5 days and in the 'late' group eight days; this was not significantly different.