Effect of abrupt discontinuation of high glucose infusion rates during parenteral nutrition
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S L Werlin1, D Wyatt, B Camitta
1Department of Pediatrics, Medical College of Wisconsin, Milwaukee 53226.
Insights
Discontinuing total parenteral nutrition abruptly is safe for most children over 2 years old. Glucose and insulin levels stabilized quickly without hypoglycemia, indicating a safe transition for pediatric patients.
Area of Science:
- Pediatric Endocrinology
- Metabolic Disorders
- Nutritional Support
Background:
- Total parenteral nutrition (TPN) is a critical intervention for children unable to receive adequate nutrition orally or enterally.
- The metabolic and hormonal responses to the abrupt cessation of TPN in pediatric patients require further elucidation.
- Establishing safe protocols for TPN discontinuation is essential for optimizing patient care and transition to alternative feeding methods.
Purpose of the Study:
- To evaluate the safety and metabolic impact of abruptly discontinuing total parenteral nutrition in children older than 2 years.
- To assess serum glucose and insulin level dynamics following TPN cessation.
- To identify factors that may influence the safety of TPN discontinuation.
Main Methods:
- Serum glucose and insulin levels were measured in 15 children over 2 years of age.
- Measurements were taken for 30 minutes after the abrupt discontinuation of total parenteral nutrition.
- Clinical assessment for hypoglycemia symptoms and biochemical confirmation were performed.
Main Results:
- Initially elevated insulin levels normalized rapidly post-TPN discontinuation.
- Serum glucose levels remained stable within 15 minutes after cessation of TPN.
- No instances of biochemical or symptomatic hypoglycemia were observed in any participant.
- Factors such as glucose infusion rate, patient age, and steroid therapy did not appear to influence outcomes.
Conclusions:
- Abrupt discontinuation of total parenteral nutrition is a safe procedure for the majority of pediatric patients older than 2 years.
- The observed rapid normalization of insulin and stable glucose levels suggest effective metabolic adaptation.
- These findings support the clinical practice of safely transitioning children off TPN without gradual tapering in most cases.
Abstract:
We measured serum glucose and insulin levels in 15 children older than 2 years of age for 30 minutes after abrupt discontinuation of total parenteral nutrition. Initially high insulin levels rapidly became normal, and glucose levels were stable after 15 minutes. No patient had biochemical or symptomatic hypoglycemia. Glucose infusion rate, age, or use of steroid therapy had no apparent influence. Abrupt discontinuation of total parenteral nutrition is safe in most children older than 2 years of age.