Proceedings of an international symposium held in Valencia, Spain, November 27--29, 1989

Ammonia Metabolism.- 1. Cerebral Function in Hepatic Encephalopathy.- 2. Ammonia Metabolism in Normal and Portacaval Shunted Rats.- 3. Nitrogen Metabolism in Normal and Cirrhotic Liver.- Effects of Hyperammonemia on Brain.- 4. Hyperammonemia Induces Brain Tubulin.- 5. Astrocytes in Hepatic Encephalopathy.- 6. Effects of NH4+ on the Function of the CNS.- Neurotransmission in Hepatic Encephalopathy.- 7. Hepatic Encephalopathy, GABA-ergic Neurotransmission and Benzodiazepine Receptor Ligands.- 8. Neurotransmission in Hepatic Encephalopathy.- 9. Synaptic Plasma Membrane Composition and Fluidity in the Pathogenesis of Hepatic Encephalopathy.- Carnitine and Ammonium Toxicity.- 10. Metabolic Effects of Carnitine and Carnitine Analogs.- 11. Clinical Use of Carnitine. Past, Present and Future.- 12. New Roles of Carnitine Metabolism in Ammonia Cytotoxicity.- Clinical Aspects.- 13. Effect of L-Carnitine Upon Ammonia Tolerance Test in Cirrhotic Patients.- 14. Metabolism of Sedatives in Liver Disease.- 15. Branched Chain Amino Acids in the Treatment of Hepatic Encephalopathy.- 16. Treatment of Portal Systemic Encephalopathy: The Old and New Treatments.- 17. Benzodiazepine Antagonist in the Treatment of Human Hepatic Encephalopathy.- Contributors.