What is the role of role gamma-aminobutyric acid (GABA) in the pathogenesis of delirium?

Updated: Apr 25, 2019
  • Author: Kannayiram Alagiakrishnan, MD, MBBS, MPH, MHA; Chief Editor: Glen L Xiong, MD  more...
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Answer

Gamma-aminobutyric acid (GABA): In patients with hepatic encephalopathy, increased inhibitory GABA levels also are observed. An increase in ammonia levels occurs in patients with hepatic encephalopathy, which causes an increase in the amino acids glutamate and glutamine, which are precursors to GABA. Decreases in CNS GABA levels are observed in patients with delirium resulting from benzodiazepine and alcohol withdrawal.


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