Symptomatic hyperammonemia caused by a congenital portosystemic shunt.
case_report · Level V
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- Record sourced from PubMed, PMID 1447656.
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Abstract
A child with trisomy 21 had altered mental status and hyperammonemia at presentation and was found to have a congenital portosystemic shunt as a result of a congenital abnormality of the portal venous system. Anomalies of the portal venous system leading to portosystemic shunting, although they are infrequent, should be considered in the differential diagnosis of hyperammonemia.
Medical subject headings
- Ammonia
- Portal System