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Published byDiane Newman Modified over 9 years ago
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NEUROLOGIC COMPLICATIONS OF LIVER DISEASE Dr. ANAS JOUHAR
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NEUROLOGIC COMPLICATIONS can be observed in patients with either acute or chronic liver Range from vogues symptoms ( fatigue ) to sever (coma )
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Clinical features of hepatic Encephalopathy ( Cirrhosis ) Most characteristic symptoms extrapyramidal symptoms Neurological examination may disclose some hepatic failure before it disclose clinically.
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Clinical course of HE Minimal HE : Slight attention deficits HE I : Psychomotor slowing HE II : Disorientation, bizarre, lethargy HE III : Somnolence – stupor HE IV : Coma
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Other clinical feature of HE Rapid progress spastic paraplegia (hepatic mylopathy ) Progress parkinsonian syndromes (hepatolenticular degeneration ) Both of them due to portosystemic shunt
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Acute Liver Failure Symptoms progress very fast Brain edema and seizure common in ALF Seizure seen in 45% of ALF Seizure due to plasma amonia levels > 120 mico mol/L
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PATHOPHYSIOLOGY Ammonia has been considered as main toxin to development of HE Recent hypotheses focus on ammonia induced astrocyte swelling
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THERAPY Aimed at the reduction of ammonia production and absorption in gut Nonabsorbable disaccharides and antibiotics Ornithineaspartate is used to support ammonia metabolism in muscle
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