Normal Pressure Hydrocephalus

Neurology

Overview

Definition

Enlarged ventricles with normal opening pressure.

Epidemiology

Varies globally depending on genetics, environment, or exposure.

Etiology & Risk Factors

  • Decreased CSF absorption by arachnoid granulations.

Clinical Symptoms

  • Classic triad (Wobbly
  • Wacky
  • Wet): Magnetic gait
  • Dementia
  • Urinary incontinence.

Clinical Approach

Diagnosis

  • MRI Brain
  • large volume LP (miller fisher test) showing symptom improvement.

Management

  • Ventriculoperitoneal (VP) shunt.

Complications

  • Permanent dementia if untreated.