Feeding Protocols for Neonates With Hypoplastic Left Heart Syndrome: A Review
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Updated: Apr 6, 2026

A Swine Model of Neonatal Asphyxia
Published on: October 11, 2011
1Erin Jenkins is Pediatric Acute Care Nurse Practitioner, 250 Hartford St, #4, San Francisco, CA 94114 (erin.leigh.jenkins@gmail.com).
Insights
Optimizing nutrition for neonates with hypoplastic left heart syndrome (HLHS) is critical. Structured enteral feeding protocols may reduce GI complications and hospital stays, but further research is needed for best practices.
Area of Science:
- Pediatric Cardiology
- Neonatology
- Clinical Nutrition
Background:
- Infants with hypoplastic left heart syndrome (HLHS) face high growth failure rates.
- Increased metabolic demand in HLHS predisposes neonates to nutritional deficiency.
- Early enteral feeding risks gastrointestinal complications due to poor intestinal perfusion.
Purpose of the Study:
- To review the literature on nutritional management in neonates with HLHS.
- To identify strategies for optimizing enteral feeding in this high-risk population.
- To highlight the need for evidence-based feeding protocols.
Main Methods:
- Literature review of studies on neonatal nutrition and HLHS.
- Analysis of risks and benefits of enteral versus parenteral nutrition.
- Evaluation of existing feeding protocols and their outcomes.
Main Results:
- Structured enteral feeding protocols may reduce gastrointestinal complications.
- Protocols can potentially minimize reliance on parenteral nutrition.
- Decreased length of hospital stay is a possible outcome of optimized feeding.
Conclusions:
- Establishing a structured enteral feeding protocol is crucial for neonates with HLHS.
- Further research is warranted to develop definitive best-practice guidelines.
- Optimizing nutrition is key to improving outcomes in this fragile population.
Abstract:
Optimizing nutrition in neonates with hypoplastic left heart syndrome is essential, given the high rate of growth failure in this population. Infants with hypoplastic left heart syndrome are predisposed to nutritional deficiency as a result of their increased metabolic demand; however, early enteral feeding also increases the risk of serious gastrointestinal morbidity and mortality caused by poor intestinal perfusion. Consequently, providers have difficulty deciding when and how to safely feed these patients. A review of the literature found that implementation of a structured enteral feeding protocol may decrease the risk of gastrointestinal complications while also minimizing dependence on parenteral nutrition and decreasing length of hospital stay. As these studies were limited, further research is warranted to establish a best practice feeding protocol to decrease risk and optimize nutrition in this fragile population.

