Related Experiment Videos
The metabolic needs of critically ill children and neonates
Insights
Pediatric patients undergoing surgery experience increased metabolic stress, impacting nutrient use and energy expenditure. Nutritional support and pain management are crucial for improving outcomes in these vulnerable young patients.
Area of Science:
- Pediatric surgery
- Metabolic response
- Nutritional support
Background:
- The metabolic response to injury and operation in children increases nutrient turnover for immune function and wound healing.
- This response elevates resting energy expenditure and leads to negative protein balance, increasing morbidity and mortality risk in neonates and children.
- Children are especially vulnerable due to limited endogenous stores and higher baseline requirements.
Purpose of the Study:
- To review the metabolic response to injury and operation in pediatric surgical patients.
- To discuss nutritional support strategies and pain management's role in mitigating catabolism.
- To explore future therapeutic interventions targeting metabolic alterations.
Main Methods:
- Literature review of pediatric metabolic response to stress.
- Analysis of nutritional support and pain management strategies.
- Discussion of hormonal and cytokine-mediated metabolic pathways.
Main Results:
- Metabolic response is proportional to stress, increasing nutrient turnover and energy expenditure.
- Nutritional support with adequate protein can promote anabolism and growth in ill children.
- Effective analgesia and anesthesia reduce surgical catabolism.
Conclusions:
- Optimized nutritional support and pain management are vital for improving outcomes in pediatric surgical patients.
- Further understanding of metabolic pathways may lead to targeted therapies.
- Mitigating metabolic stress is key to reducing morbidity and mortality in pediatric surgical care.
Abstract:
The pediatric metabolic response to injury and operation is proportional to the degree of stress and causes an increase in the turnover of proteins, fats, and carbohydrates. Thereby, substrates are made readily available for the immune response and wound healing. Because this process requires energy, the resting energy expenditure of ill patients increases. Whole-body protein degradation rates are elevated out of proportion to synthetic rates, and negative protein balance also ensues. Neonates and children are particularly susceptible to the loss of lean body mass and its attendant increased morbidity and mortality caused by an intrinsic lack of endogenous stores and greater baseline requirements. An appropriately designed mixed fuel system of nutritional support replete in protein does not quell this metabolic response but can result in anabolism and continued growth in ill children. In addition, the use of adequate analgesia and anesthesia is a readily available and proven means of reducing the magnitude of the catabolism associated with operation and injury. Finally, as hormonal- and cytokine-mediated metabolic alterations are better understood, therapeutic interventions may become available to directly modulate the metabolic response to illness, thus potentially further improving clinical outcome in pediatric surgical patients.