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Brain edema and intracranial hypertension in fulminant hepatic failure:Pathophysiology and management

查看全文 作　　者：Olivier [1]Detry;Arnaud De [1]Roover;Pierre [1]Honoré;Michel [1]Meurisse 高影响力作者 机构地区：[1]Department of Abdominal Surgery and Transplantation, University of Liège, CHU Sart Tilman B35, B4000 Liège, Belgium高影响力机构 出　　处：《World Journal of Gastroenterology》索引2006年第12卷第46期,共8页高影响力期刊 摘　　要：Intracranial hypertension is a major cause of morbidity and mortality of patients suffering from fulminant hepatic failure. The etiology of this intracranial hypertension is not fully determined, and is probably multifactorial, combining a cytotoxic brain edema due to the astrocytic accumulation of glutamine, and an increase in cerebral blood volume and cerebral blood flow, in part due to inflammation, to glutamine and to toxic products of the diseased liver. Validated methods to control intracranial hypertension in fulminant hepatic failure patients mainly include mannitol, hypertonic saline, indomethacin, thiopental, and hyperventilation. However all these measures are often not sufficient in absence of liver transplantation, the only curative treatment of intracranial hypertension in fulminant hepatic failure to date. Induced moderate hypothermia seems very promising in this setting, but has to be validated by a controlled, randomized study. Artificial liver support systems have been under investigation for many decades. The bioartificial liver, based on both detoxification and swine liver cells, has shown some efficacy on reduction of intracranial pressure but did not show survival benefit in a controlled, randomized study. The Molecular Adsorbents Recirculating System has shown some efficacy in decreasing intracranial pressure in an animal model of liver failure, but has still to be evaluated in a phase Ⅲ trial. 关 键 词：脑水肿 颅内高压 肝衰竭 病理生理学
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