Cannot say for sure without reviewing the chart not with examination.
Ascites is normally cause by liver failure. There can be many causes for this - including alcohol, cancer, hepatitis etc.
End-stage liver disease is also associated with
mentalMental retardation
Mental status tests status changes, like
confusionConfusion
Delirium.
Unless the cause of the liver failure is found and appropriately treated (in some cases, this may need a liver transplant), the ascites will re-accumulate.
Prognosis regarding survival will depend on the degree of
mentalMental retardation
Mental status tests status changes,
bilirubin level, albumin level, and the presence of concurrent bleeding disorders.
Again, this is just pure speculation - more specific questions should be addressed to your brother's medical team.
Followup with your personal physician is essential.
This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.
Kevin, M.D.
kevinmd_b