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[Vegetarian diet in glutaric aciduria type I]
M C Carrascosa Romero1, L Abad Ortiz, I Cuartero del Pozo
1Sección de Neuropediatría. Hospital General Universitario de Albacete. España.
Anales De Pediatria (Barcelona, Spain : 2003)
|July 31, 2003
Summary
Glutaric aciduria type I, a rare metabolic disorder, can be managed with early dietary intervention and vitamin supplementation. Prompt diagnosis through urine analysis is crucial for preventing irreversible neurological damage in affected children.
Area of Science:
- Biochemistry
- Genetics
- Neurology
Background:
- Glutaric aciduria type I (GA-I) is an autosomal recessive metabolic disorder affecting 1 in 30,000 births.
- It is characterized by progressive dystonic-diakinetic syndrome in children, linked to glutaryl CoA dehydrogenase deficiency.
- Pathological findings include striatal degeneration, particularly in the caudate and putamen nuclei.
Observation:
- A 23-month-old boy presented with macrocephaly and subtle neurological signs attributed to a semivegetarian diet.
- Biochemical analysis revealed elevated glutaric and -hydroxyglutaric acids in urine.
- Despite the typical view of GA-I as untreatable due to irreversible CNS damage, this case showed potential for intervention.
Findings:
- A tailored dietary regimen and vitamin supplementation were implemented for the patient.
- This intervention successfully halted and even reversed symptomatic progression of the disease.
- Biochemical markers, including urinary organic acids, normalized with treatment.
Implications:
- Early diagnosis of GA-I is critical, especially in children with unexplained macrocephaly.
- Investigating amino and organic acids in urine can aid in ruling out GA-I.
- This case highlights the potential benefits of early dietary management and supplementation in GA-I, even in symptomatic individuals.