Cerebral Microdialysis in Patients With Fulminant Hepatic Failure

Fulminant Hepatic Failure

ammonia, acute liver failure, brain edema, oxidative metabolism, intracranial pressure

Patients with fulminant hepatic failure (FHF) often develop cerebral edema, high intracranial pressure (ICP)that may result in fatal brain damage. The aim in this protocol is to determine if a rise in the brain concentration of glutamate, lactate and pyruvate are involved in development of surges of high ICP in patients with FHF. The study is observatory in nature and also record the influence of any intervention that may e instituted during the course of the critical illness.

Fulminant hepatic failure (FHF) is often complicated by cerebral edema, high intracranial pressure (ICP) and brain death. Accordingly the intracranial pressure is often monitored in such patients in order to be able to institute treatment before high ICP evolves. As routinely done in patients with severe head injury a microdialysis monitoring catheter is also placed under this procedure to measure metabolic changes that are responsible for surges of high ICP. The aim in this descriptive protocol is to determine if a rise in glutamate, lactate and pyruvate concentration in the brain cortex are involved in development of surges of high ICP in patients with FHF. The study is observatory in nature and also record the influence of any intervention during the course of the critical illness.

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