my father age 75 suffered from a stroke last year on left side,from then on he is getting proper medication and physiotherapy and was recovering well,but since last 2 weeks he could not stand or walk properly and fell 3 - 4 times in the bathroom,from last few days he is forgetting things and talks things which don't make sense and persists on it,sometimes he is absolutely ok.he is diabetic,hypertensive,renal failure with a creatinine at 2.9 stable.i had his mri on saturday and it reports that he has suffered lacunar infarcts in left corona radiata with mild brain trophy.pls advise.thanks