Normal Pressure Hydrocephalus (NPH)

A specific form of hydrocephalus in which the central cavities of the inner brain (the ventricles) enlarge at the expense of the substance of the brain, while the pressure of the CSF remains within normal range.

Etiology:

accumulation of excess of cerebrospinal fluid in the brain.

Manifestations:

neurologic symptoms

  1. dementia
  2. loss of bladder control
  3. difficulty walking

Treatment:

placement of a shunt to relieve excess fluid and decrease intra-cranial pressure.

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