[Vitamin E and cholestasis in children]

Area of Science:

• Pediatric Gastroenterology
• Clinical Nutrition
• Neurology

Context:

• Chronic cholestasis in children often leads to fat-soluble vitamin deficiencies.
• Vitamin E is crucial for neurological function and antioxidant defense.
• Understanding deficiency consequences aids in managing pediatric cholestatic liver diseases.

Purpose:

• To investigate the clinical manifestations and biochemical consequences of Vitamin E deficiency in pediatric chronic cholestasis.
• To correlate Vitamin E serum levels with cholestasis duration, fat malabsorption, and clinical signs.
• To examine the impact of Vitamin E deficiency on red blood cell (RBC) integrity and platelet function.

Summary:

• Twelve children with chronic cholestasis were assessed for Vitamin E status and related complications.
• Lowest Vitamin E serum levels were observed in patients with prolonged cholestasis and severe fat malabsorption.
• Neurological dysfunction (peripheral nerves, cerebellum, eyes) was noted in 7 children. In vitro studies showed increased RBC hemolysis inversely related to Vitamin E levels. Eight patients exhibited increased platelet aggregation, with 6 having low Vitamin E.

Impact:

• Highlights the critical role of Vitamin E in preventing neurological damage and maintaining RBC stability in cholestatic children.
• Underscores the need for monitoring and supplementation of Vitamin E in pediatric patients with chronic cholestasis.
• Provides evidence linking Vitamin E deficiency to specific clinical and laboratory findings, informing diagnostic and therapeutic strategies.