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Serum Vitamin K Concentration in Pediatric Patients Receiving Total Parenteral Nutrition

Division of Gastroenterology and Nutrition, Schneider Children's Hospital of the Long Island Jewish Medical Center, New Hyde Park, New York, Department of Pediatrics, Albert Einstein College of Medicine, Bronx, New York

David Israel, MD

Division of Gastroenterology and Nutrition, Schneider Children's Hospital of the Long Island Jewish Medical Center, New Hyde Park, New York, Department of Pediatrics, Albert Einstein College of Medicine, Bronx, New York

Jeremiah Levine, MD

Division of Gastroenterology and Nutrition, Schneider Children's Hospital of the Long Island Jewish Medical Center, New Hyde Park, New York, Department of Pediatrics, Albert Einstein College of Medicine, Bronx, New York

The only multivitamin preparation for total parenteral nutrition currently available in the United States that contains vitamin K is the pediatric formulation MVI-Pediatric. The recommended dose provides 200 µg of vitamin K ₁ per day to term infants and children up to 11 years old. This dose is well above the recommended dietary allowance of approximately 1 µg/kg per day, but the losses of vitamin K during administration are unknown. We evaluated the stability of vitamin K₁ in a standard total parenteral nutrition infusion and found that on average 72.7 ± 4.9% of the original vitamin K₁ was present after 24 hours. By using high-performance liquid chromatography with electrochemical reduction and fluorescence detection, we obtained the serum vitamin K₁ concentrations in 11 pediatric patients receiving total parenteral nutrition with MVI-Pediatric (Rorer Pharmaceuticals, Fort Washington, PA) supplementation and in control children. The serum vitamin K₁ concentration (19.3 ± 12.2 ng/mL) in patients receiving MVI-Pediatric is significantly higher than that in control children 1.9 ± 1.5 ng/mL (p < .001). Current practice results in excessive levels of vitamin K in pediatric patients. (Journal of Parenteral and Enteral Nutrition 17:465-467, 1993)

Journal of Parenteral and Enteral Nutrition, Vol. 17, No. 5, 465-467 (1993)
DOI: 10.1177/0148607193017005465


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