Vp shunt surgery. Days he was on leave!

Hi i hope your doing well.i admitted my dad in one of the biggest hospital shri ramakrishna hospital as our uncle had an stroke which we prevented at time and nothing major happened 1 year back uncle had stroke on right side but few months back he had an frequent urge for urine plus he was bending down too much stopped walking and one leg was glued to the floor even one step he couldn't take and then we discovered he has INPH with parkinson's doctor went through Lp puncture observed for 2 days and said we had an option for Vp shunt but now they said it can't be done as in 2 days there was no improvement doctor was not sure what to do i asked him whether through oral medicines he ll be ok or not he said let's see i asked excess fluid is there in brain then how can we release it through medicine will it be helpful he said nothing he indirectly said us he just an body with oxygen now i don't understand what to do he kept us 8 days in hospital with 0 results where as 3 days he was on leave