ArticleJPGN reports2024
Neurometabolism and brain morphometry in an adolescent female with an extra-hepatic congenital portosystemic shunt.
Article in JPGN reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 1 citations in OpenAlex.
- Differential metabolic and cellular brain regional susceptibility in adult rats with chronic liver disease.Metabolic brain disease · 2026Article
- Neurometabolism and brain morphometry in an adolescent female with an extra-hepatic congenital portosystemic shunt.JPGN reports · 2024Article
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9 authors at 4 institutions in 1 country.
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Abstract
Background: Chronic hepatic encephalopathy (CHE) has been reported both in patients with congenital porto-systemic shunts (CPSS) and chronic liver disease. CHE is difficult to recognize in children as there is no clear definition and its manifestations are highly variable. CHE is associated with variations in brain volumes and metabolites that have already been demonstrated using 1.5-3T MRI systems. However, the in-depth study of brain metabolism requires the high spectral resolution of high magnetic fields. Objectives and Methods: We analyzed the neurometabolic profile, brain volumes and T Results: 7T MRS revealed a significant increase in glutamine compared to controls, a decrease in brain osmolytes, and a slight elevation in NAA concentrations. 7T MRI scans showed morphological abnormalities but no changes in the signal intensity of the globus pallidus. Neurocognitive testing revealed attention deficit disorder, language difficulties, and mild intellectual disability. Most of these areas improved after shunt closure. Conclusions: In this paediatric case of type B HE with normal fasting ammonia, neurometabolic profile was compatible with what has been previously shown in chronic liver disease, while also demonstrating an isolated glutamine peak. In addition, neurocognitive function partially improved after shunt closure, arguing strongly for shunt closure in both presymptomatic and symptomatic patients.
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