to compare the efficacy of lactitol vs. lactulose in the treatment of acute portal systemic encephalopathy ( pse ) , 40 cirrhotic patients with an acute episode of pse were randomly allocated to one of two groups : group a ( 20 patients ) received lactulose ( 30 ml/6 h ) and group b ( 20 patients ) lactitol ( 12 g/6 h ) .
C0019151
pse
C0022957
lactulose