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Published on: October 31, 2025
Fluid and electrolyte management of very low birth weight infants
1Department of Pediatrics, Alpert Medical School of Brown University, Providence, RI 02912, USA. woh@wihri.org
Insights
Optimizing fluid balance is crucial for very low birth weight infants to improve neurodevelopmental outcomes. Careful management prevents morbidities like bronchopulmonary dysplasia (BPD) and promotes growth.
Area of Science:
- Neonatal care
- Pediatric medicine
- Neonatal neurodevelopment
Background:
- Medical advances have increased survival rates for very low birth weight (VLBW) infants.
- Optimizing neurodevelopmental outcomes is a key priority in neonatal intensive care.
- Fluid and electrolyte balance is essential for VBW infant health.
Purpose of the Study:
- To review principles of maintenance fluid administration for VLBW infants.
- To highlight risks of excessive fluid intake, including necrotizing enterocolitis, patent ductus arteriosus, and bronchopulmonary dysplasia (BPD).
- To describe fluid and electrolyte management strategies for infants with BPD, emphasizing nutritional support.
Main Methods:
- Literature review focusing on fluid management in VLBW infants.
- Analysis of neonatal morbidities associated with fluid balance.
- Examination of nutritional strategies for infants with BPD.
Main Results:
- Careful fluid assessment is necessary to prevent complications in VLBW infants.
- Excessive fluid administration is linked to increased risks of necrotizing enterocolitis, PDA, and BPD.
- Adequate nutrition is vital for growth in infants with BPD.
Conclusions:
- Appropriate fluid management is critical for optimizing neurodevelopmental outcomes in VLBW survivors.
- Avoiding fluid overload is essential for reducing neonatal morbidities.
- Integrated fluid, electrolyte, and nutritional management is key for infants with BPD.
Abstract:
Recent advances in medical knowledge and technology have markedly improved the survival rates of very low birth weight infants. Optimizing the neuro-developmental outcomes of these survivors has become an important priority in neonatal care, which includes appropriate management for achieving fluid and electrolyte balance. This review focuses on the principles of providing maintenance fluid to these infants, including careful assessment to avoid excessive fluid administration that may increase the risk of such neonatal morbidities as necrotizing enterocolitis, patent ductus arteriosus, and bronchopulmonary dysplasia (BPD). The review also describes the principles of fluid and electrolyte management of infants with BPD, which includes the strategy of providing adequate nutrition to promote normal growth.
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