Difference between revisions of "Idiopathic intracranial hypertension"

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Revision as of 20:11, 14 July 2011

Background

Impaired arachnoid villi absorption

Diagnosis

  1. Young, obese females
  2. Headache (worse in AM/ with manuvers increasing ICP)
  3. Papilledema (optic atrophy/vision loss)
  4. Neuro exam frequently normal

Work-Up

  1. CT scan (negative)
  2. LP (CSF pressure 25-40)

Treatment

  1. Repeate LPs (decrease CSF pressure)
  2. Diamox
  3. Weight loss
  4. Shunt
  5. Optic nerve sheath fenestration

Disposition

Admit for:

  1. Severe pain
  2. Focal findings
  3. Vision changes