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Brain damage in glycogen storage disease type I
Daniela Melis1, Giancarlo Parenti, Roberto Della Casa
1Department of Pediatrics, Università Federico II, Naples, Italy.
The Journal of Pediatrics
|May 6, 2004
Summary
Patients with Glycogen Storage Disease Type I (GSDI) show evidence of brain damage, likely due to recurrent severe hypoglycemia. Cognitive and neurological function may be impaired in GSDI patients.
Area of Science:
- Neuroscience
- Metabolic Disorders
- Pediatric Neurology
Background:
- Glycogen Storage Disease Type I (GSDI) is a rare inherited metabolic disorder.
- Chronic metabolic derangements in GSDI may impact brain development and function.
Purpose of the Study:
- To investigate brain morphology and function in pediatric and young adult patients with GSDI.
- To identify potential correlations between clinical factors and neurological findings in GSDI.
Main Methods:
- Nineteen GSDI patients and 38 controls underwent neurological exams, psychometric testing, EEG, evoked potentials (VEPs, SEPs, BAEPs), and MRI.
- Statistical analyses compared patient and control groups and explored correlations.
Main Results:
- GSDI patients exhibited lower performance test scores and higher rates of abnormal EEG, VEPs, SEPs, and BAEPs compared to controls.
- Brain MRI showed altered patterns in over half of GSDI patients.
- Impaired performance and BAEP abnormalities correlated with hypoglycemia frequency; EEG abnormalities correlated with dietary compliance.
Conclusions:
- GSDI patients may experience brain damage, likely linked to recurrent severe hypoglycemia.
- Neuroimaging and electrophysiological findings suggest significant central nervous system involvement in GSDI.