[Studies on electroencephalographic changes after liver transplantation].

EEG was performed before and after surgery in the patients who received living donor livers at our hospital between 1999 and 2001. There were ten patients (6 men and 4 women) and mean ages were 37.0 years. Their disorders were citrullinemia, biliary atresia, liver cirrhosis, and liver cell cancer. EEG was performed at 17 sites according to 10-20 international methods. Power spectra analysis using FFT was also performed. We classified the ten patients into Group A, one patient; Group B, three patients; and Group C; five patients based on EEG basal activity before the operation. Eight of ten patients showed improvement in EEG findings, and two patients showed no change after the operation. One patient of these two patients did not show improvement in liver function after the operation. The other developed cerebral infarction after the operation. EEG is useful for the evaluation of brain function after the liver transplantation.