Monday, March 17, 2008

Chronic hepatic encephalopathy

Chronic hepatic encephalopathy equivalent of exogenous hepatic encephalopathy, also known as ammonia encephalopathy, the doors one encephalopathy. Pathological changes of brain astrocytoma cell hypertrophy and increased cerebral cortex thinner, there are focal necrosis. Coma time the elderly, have cerebral edema, a rare spinal cord lesions. Due to chronic liver disease or portal venous shunt after one cause. Portal venous system in the intestinal absorption of toxic substances and not through the shunt after liver detoxification material into human cycle, causing the central nervous system dysfunction and disorder.
Clinical manifestations: Attack of intermittent symptoms can be repeated, sometimes sober, sometimes neurological, psychiatric symptoms, gradually appearing at the inverse of a nerve, mental symptoms. 50% of patients since the onset incentives slow onset, gastrointestinal and systemic symptoms light. Investigation of the liver may be increased, reduced late, no tenderness, portal hypertension performance Flapping-Wing-like tremors common. Laboratory investigations, normal or elevated transaminase, liver function may change seriously, late changes in liver function can be increased. Excluding incentive, the staff members a better prognosis.

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