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Reversible brain atrophy in glutaric aciduria type 1.
Yurika Numata-Uematsu1, Osamu Sakamoto1, Yosuke Kakisaka2
1Department of Pediatrics, Tohoku University School of Medicine, Japan.
Brain & Development
|February 2, 2017
Summary
Glutaric aciduria type 1 (GA1) is a rare metabolic disorder. Early detection and treatment, including dietary changes and carnitine, can reverse brain atrophy and lead to normal development in affected newborns.
Area of Science:
- Biochemistry
- Genetics
- Neurology
Background:
- Glutaric aciduria type 1 (GA1) is a rare inherited metabolic disorder.
- It results from a deficiency in glutaryl-CoA dehydrogenase, leading to toxic metabolite accumulation.
- GA1 typically presents with acute encephalopathic crises and irreversible striatal injury in early childhood.
Observation:
- Newborn screening via tandem mass spectrometry enables pre-symptomatic GA1 detection.
- This case report details a GA1 patient diagnosed neonatally.
- The patient received early dietary interventions (reduced lysine and tryptophan) and carnitine supplementation.
Findings:
- Brain MRI initially showed characteristic GA1-related atrophy (widened operculum, subarachnoid space dilatation).
- Remarkably, follow-up MRI at 17 months revealed complete resolution of brain atrophy.
- The patient maintained normal development and experienced no metabolic decompensation episodes.
Implications:
- This case demonstrates that early dietary management and carnitine therapy can lead to reversible brain atrophy in GA1.
- Prompt diagnosis and intervention are crucial for preventing neurological damage and ensuring normal development in GA1 patients.
- These findings highlight the potential for complete recovery from neurological injury in GA1 with timely and appropriate treatment.
