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Approach to enteral feeding in the PICU
1Division of Critical Care Medicine, Children's Hospital, Boston, MA 02115, USA. nilesh.mehta@childrens.harvard.edu
Insights
Optimizing enteral nutrition (EN) in the pediatric intensive care unit (PICU) is crucial for critically ill children. Protocolized feeding strategies and institutional guidelines can improve EN delivery and patient outcomes.
Area of Science:
- Pediatric Critical Care Medicine
- Clinical Nutrition
- Intensive Care Unit Management
Background:
- Critically ill children in the pediatric intensive care unit (PICU) face challenges in receiving optimal enteral nutrition (EN).
- Current practices often result in suboptimal EN delivery due to complexities in care and avoidable reasons.
- Effective nutrition support is vital for improving clinical outcomes in this vulnerable population.
Purpose of the Study:
- To discuss the challenges and strategies for optimizing enteral nutrition delivery in the PICU.
- To review the evidence and rationale for selecting appropriate enteral feeding routes.
- To highlight the importance of protocolized approaches and institutional guidelines for EN.
Main Methods:
- Review of current literature on enteral nutrition in critically ill children.
- Analysis of different feeding routes (gastric, transpyloric, postpyloric) and their indications.
- Discussion of factors influencing EN tolerance and delivery.
- Examination of the role of institutional guidelines and protocols.
Main Results:
- Gastric EN is preferred for ease and cost, but transpyloric/postpyloric routes may be necessary for specific cases like poor gastric emptying.
- Routine small bowel feeding in all PICU patients is not supported by current evidence.
- Blind nasoenteric tube placement presents technical challenges and potential complications.
- Protocolized EN delivery and institutional guidelines show potential to improve caloric intake and clinical outcomes.
Conclusions:
- Optimizing EN in the PICU requires careful consideration of feeding routes and patient-specific factors.
- Protocolized feeding strategies and adherence to institutional guidelines are essential for maximizing EN delivery.
- Further research and implementation of best practices can enhance nutrition support and outcomes for critically ill children.
Abstract:
The pediatric intensive care unit (PICU) environment poses unique challenges to achieving enteral nutrition (EN) goals for the critically ill child. Nutrition support in the PICU is often in conflict with the complexity of care provided to acutely ill children. A significant proportion of eligible patients do not receive optimal enteral nutrition for avoidable reasons. Early institution of EN is recommended and the gastric route is preferred because of ease of administration and reduced costs compared with the transpyloric route. In patients with poor gastric emptying or in cases where a trial of gastric feeding has failed, transpyloric or postpyloric feeding may be used to decrease the risk of aspiration and to improve enteral feed tolerance. However, there is no evidence of benefit for routine use of small bowel feeding in all patients admitted to the PICU. The placement of blind nasoenteric feeding tubes can be technically challenging, is not without complications, and requires local expertise and experience for successful placement and maintenance. A protocolized approach to selecting the optimal route and advancing enteral feedings may optimize EN delivery. Institutional practice guidelines based on consensus, available evidence, and national guidelines may decrease time to reaching caloric goal, improve protein balance, and potentially affect clinical outcomes. The rationale and challenges to the delivery and maintenance of optimal EN, and strategies to achieve optimal EN during critical illness, are discussed.
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