Which of the following is not true about "dialysis dementia syndrome"?

This dialysis encephalopathy has been seen related to use of aluminium in dialysis. Its incidence decreased after the use of aluminium free water for dialysis. Its presenting symptoms are dysahria, apraxia and slurred speech and myoclonus, seizures and frank psychosis are seen after months of the disease progression. Aluminium chelation with deferoxamine helps in dramatic improvement of symptoms.