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Reconciling diabetes management and the ketogenic diet in a child with pyruvate dehydrogenase deficiency

Maria J Henwood1, Paul S Thornton, Christina M Preis

  • 1Division of Pediatric Endocrinology, Columbus Children's Hospital, Columbus, Ohio, USA.

Journal of Child Neurology
|August 12, 2006
PubMed

Insights

This study shows that a ketogenic diet can be safely used in a child with pyruvate dehydrogenase deficiency and diabetes. Combining the ketogenic diet with insulin therapy led to improved health and development.

Area of Science:

  • Biochemistry
  • Genetics
  • Neurology

Background:

  • Pyruvate dehydrogenase deficiency (PDHD) is a rare genetic disorder impacting mitochondrial energy metabolism.
  • PDHD causes inefficient glucose utilization, leading to lactic acidosis and neurological issues like static encephalopathy and seizures.
  • The ketogenic diet, a high-fat, low-carbohydrate diet, offers an alternative fuel source for the brain but conflicts with traditional diabetes management.

Observation:

  • A 4-year-old girl with PDHD, encephalopathy, and seizures presented with severe diabetic ketoacidosis.
  • The patient was treated with a ketogenic diet, posing a therapeutic challenge due to the need for concurrent diabetes management.

Findings:

  • This is the first reported case of a child simultaneously managed with the ketogenic diet and exogenous insulin.
  • A 28-month follow-up demonstrated excellent glycemic control, enhanced activity, developmental progress, and significant catch-up linear growth.
  • The patient's growth trajectory shifted from below the 5th percentile to the 50th percentile.

Implications:

  • The findings suggest that concurrent use of the ketogenic diet and insulin therapy is feasible and beneficial for patients with PDHD and diabetes.
  • This combined approach can optimize neurologic function and quality of life in affected children.
  • Diabetes does not necessarily contraindicate the use of the ketogenic diet in specific metabolic disorders.

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