Hepatic encephalopathy get a liver transplant, the risk of death is less than 30% over the subsequent five years. The condition has been described since at least 1860. The mildest form of hepatic encephalopathy is difficult to detect clinically, but may be demonstrated on neuropsychological testing. It is experienced as forgetfulness, mild confusion, and irritability. The first stage of hepatic encephalopathy is characterised by an inverted sleep-wake pattern (sleeping by day, being awake at night). The second stage is marked by lethargy and personality changes. The third stage is marked by worsened confusion. The fourth stage is marked by a progression to
Convention for the Protection of Human Rights and Dignity of the Human Being with regard to the Application of Biology and Medicine availability of organs from a deceased person. Any removed parts of the body must be disposed of respectfully in accordance with the wishes of the individual. In addition, there is to be no financial gain arising from the human body or its parts, however adequate compensation for expenses incurred for a medical procedure is not prohibited. The rules relating to consent laid out in "Chapter II" of the Convention also apply in the context of organ transplantation. In accordance with the European Convention on Human Rights, any individual who has suffered damage should have access to fair compensation ("Article 24").